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Awesome Level
An open list of awesome Level modules and resources. Add yours!
Table of Contents
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Bundles
Convenience modules that bundle a store with levelup
and encoding-down
.
Name | Compatibility | Dependencies | Description |
---|---|---|---|
level |
Bundle for leveldown and level-js .Main entry point for beginners. |
||
level-mem |
Bundle for memdown . |
||
level-rocksdb |
Bundle for rocksdb . |
||
level-hyper |
Bundle for leveldown-hyper . |
||
level-indexed |
Bundle for indexeddown .Alternative to level . |
Core
Name | Dependencies | Description |
---|---|---|
levelup |
The glue that holds everything together. Use this when you need a custom or swappable store. |
|
abstract-leveldown |
An abstract prototype matching the leveldown API.Use this to implement your own store. |
|
level-packager |
Package helper to export a bundle. Use this to create a new level-* bundle. |
Stores
Modules that implement abstract-leveldown
as storage for levelup
.
Name | Compatibility | Dependencies | Type |
---|---|---|---|
leveldown |
LevelDB | ||
memdown |
In-memory RBTree | ||
level-js |
IndexedDB | ||
rocksdb |
RocksDB | ||
leveldown-hyper |
HyperLevelDB | ||
medeadown |
medea | ||
jsondown |
JSON on disk | ||
asyncstorage-down |
AsyncStorage (React Native) | ||
mongodown |
MongoDB | ||
sqldown |
sqlite3 , pg , mysql , WebSQL |
||
dynamo-down |
AWS DynamoDB | ||
azureleveldown |
Windows Azure Table Storage | ||
fruitdown |
IndexedDB (Apple) | ||
localstorage-down |
localStorage | ||
riakdown |
riakpbc | ||
mysqldown |
MySQL | ||
redisdown |
Redis | ||
leveldown-basho |
Basho's LevelDB fork | ||
sheet-down |
Google Sheets | ||
indexeddown |
IndexedDB | ||
lmdb-leveldown |
LMDB | ||
localdown |
localStorage in Node.js | ||
aerospike-leveldown |
Aerospike | ||
s3leveldown |
AWS S3 | ||
gaiadown-ts |
Gaia | ||
dynamodb-leveldown |
AWS DynamoDB | ||
localforagedown |
localForage | ||
react-native-leveldown |
LevelDB (React Native) | ||
networked-hyperbeedown |
Hyperbee |
Layers
Modules that implement abstract-leveldown
to wrap another abstract-leveldown
. This is the preferred extension point.
Name | Compatibility | Dependencies | Description |
---|---|---|---|
encoding-down |
Provides key/value encoding. | ||
@adorsys/encrypt-down |
Provides encryption for values. | ||
deferred-leveldown |
Handles delayed-open. Built into levelup . |
||
level-cowdown |
Copy-on-write abstract-leveldown layer. |
||
abstract-stream-leveldown |
A stream-based abstract prototype. |
Encodings
Custom level-codec
compatible encodings for use with encoding-down
.
Name | Dependencies | Description |
---|---|---|
charwise |
Encode/decode with same encoded sort order as bytewise . |
|
bytewise |
Binary serialization which sorts bytewise for arbitrarily complex data structures. NB. Use charwise if possible. Gives you almost everything bytewise does but much faster. |
|
protocol-buffers |
Protocol Buffers for Node.js. Compiled messages are level-codec compatible encodings. |
|
lexicographic-integer-encoding |
Wraps lexicographic-integer . |
Sublevels
Modules related to splitting a database into sections a.k.a. sublevels.
Name | Dependencies | Description |
---|---|---|
subleveldown |
Split a levelup database into sublevels with their own keyspace, encoding and events. |
|
level-temp |
Create a temporary subleveldown sublevel that is guaranteed to be empty. |
|
level-mount |
Mount multiple abstract-leveldown stores by key prefix onto a single store. Can be used with subleveldown . |
|
bytespace |
Keypath subspaces prefixed with bytewise tuples. Similar to level-sublevel .NB. bytewise - and thus bytespace - can be slow. Consider using subleveldown paired with the charwise encoding instead. |
|
level-sublevel |
Adds the ability to create subsections with the same API as levelup , but only write/read to a prefixed section, or bucket, of the key-space. Each section also has level-hooks installed.NB. No longer maintained. We recommend subleveldown instead. |
|
sublevel-prefixer |
Utility to prefix a key with a sublevel prefix. | |
level-sublevel-stream |
Find level-sublevel sublevels, not requiring them to be in memory already. |
|
level-subtree |
Generate a tree from level-sublevel sublevels, useful when there is no manifest. |
|
level-superlevel |
Superlevel adds a "super" level that allows accessing the entire database, discovering level-sublevel sublevels and browsing the database without knowledge of the sublevel structure. |
|
level-subkey |
Use path-like keys to separate sections of levelup , with hooks. Adapted from level-sublevel . |
|
level-mirror |
Mirror and optionally transform data from one level-sublevel sublevel into another. |
Processing
Modules for indexing, alternative forms of querying data, MapReduce models and other forms of data processing.
Name | Dependencies | Description |
---|---|---|
level-auto-index |
Automatic secondary indexing for levelup and subleveldown . |
|
jsonquery |
Query levelup with a MongoDB-like query API that returns streams. |
|
jsonquery-engine |
A full MongoDB query language implementation with indexes for querying levelup . |
|
level-indico |
Yet another indexing plugin for levelup . By providing only a low-level querying mechanism it gives you the power to build more complicated and optimized queries on top of it.NB. Relies on bytewise and level-sublevel , both of which have caveats. |
|
level-inverted-index |
Create an inverted index for full-text search. | |
map-reduce |
A MapReduce implementation on top of levelup . Allows you to define a map reduce query that will run on top of your db. The map reduces are incremental, and you can query the results in real-time. |
|
level-map-merge |
Like map-reduce but simpler. Has a batch component that runs periodically, and a real-time component that fills in the gaps. Good for generating inverted indexes. |
|
level-queryengine |
A generic pluggable query-engine system (that supports indexes) for levelup . |
|
level-trigger |
Triggers for levelup . Runs an async job when a key changes. All jobs will eventually run, even across restarts! |
|
levels |
A light-weight full text search engine for levelup (Port of TJ's reds redis search engine). |
|
map-reduce-chained |
Extends map-reduce and level-mapped-index to provide easy to setup chained MapReduce. An example use case is to find the top 10 values after a reduce. |
|
path-engine |
Query levelup using a JavaScript property path array syntax with indexes. |
|
subindex |
Generic pluggable indexing system for levelup . |
|
level-sec |
High-level API for creating secondary indexes. | |
level-secondary |
Create and query secondary indexes. | |
inverted-index |
Inverted index built upon levelup . |
|
level-index-update |
Remove the old indexes in the same batch as the new ones are inserted. | |
range-index |
Range indexes for levelup . |
|
level-path-index |
Index properties of items that live in a tree of materialized paths. | |
level-sql |
SQL queries for levelup . |
|
level-hash-index |
Store any string into levelup , and get a collision free hash of that value that you can use in an index (or similar). |
|
level-idx |
Another high-level API for creating secondary indexes, using level-auto-index . |
|
level-indexer |
Generic indexer for levelup . Only stores document keys for space efficiency. |
|
level-librarian |
Lightweight indexing and querying with the LLCJ query language. | |
level-match-index |
Index and filter level-sublevel databases and watch for future changes. |
|
level-assoc |
Relational foreign key associations (hasMany , belongsTo ) for levelup . |
|
level-tree-index |
Tree indexer for levelup . |
|
changes-index |
Create indexes from a changes-feed. Provides a way to create a materialized view on top of an append-only log. | |
changesdown |
levelup interface that uses an abstract-leveldown store that writes to a changes-feed to store its state. |
|
level-ordered |
A wrapper for level that keeps inserted items ordered. |
Databases
Complete Node.js databases built with Level.
Name | Dependencies | Description |
---|---|---|
dat |
Lets you build streaming data pipelines that can be shared and replicated by others. | |
pouchdb |
PouchDB allows you to store and query data offline and then sync with CouchDB when online. For Node, browser and mobile. | |
couchup |
A CouchDB implementation on top of levelup . |
|
firedup |
A node.js implementation of firebase based on levelup . |
|
len |
Len is a resource booking database using LevelDB for storage. Useful for calendar and gantt chart apps and for questions like 'can a customer book this resource starting X and ending Y'. | |
lem |
Lem is a telemetry storage database using LevelDB. Keys are indexed by timestamp and you can read values in-between 2 points in time. | |
levelgraph |
A Graph database built on top of levelup with pattern-matching and join support. |
|
linvodb3 |
Persistent database on top of levelup for Node.js/NW.js with MongoDB-style queries, Mongoose-like models and a map/reduce system. |
|
rxdb |
Event-driven database based on pouchdb . Optimized for reactive programming with observables. Events and state is automatically shared between multiple browser tabs. Queries are defined by the mongoDB mango-standard. |
|
pushdb |
A programmable database with document storage and unique indexing capabilities. | |
search-index |
A persistent full text search engine for browser and Node.js. | |
tacodb |
A responsive, Node.js-style database ideal for realtime data. Highly modular and adaptable, allowing extension with the Level ecosystem. | |
timestreamdb |
A full-featured timeseries database on top of LevelDB. Includes a library for streaming statistical operations on timeseries data including joins, aggregates, filters, and map-like operations. | |
@nano-sql/core |
A small (10Kb) RDBMS abstraction on top of levelup that also runs in the browser with undo/redo support, immutable objects and IndexedDB persistence. |
|
vertical |
LevelDB distributed, Server and Client! | |
flash-store |
FlashStore is a Key-Value persistent storage with easy to use ES6 Map-like API(both Async and Sync support), powered by LevelDB and TypeScript. | |
level-fact-base |
Store immutable facts and query them with datalog. | |
dulcimer |
Define JSON models and manage indexes, children, foreign keys and much more. | |
levi |
Stream based full-text search for Node.js and browser using levelup . |
|
level-mongo |
MongoDB-like database backed by LevelDB. | |
level-orm |
Simple ORM built on levelup . |
|
level-lively |
levelup implementation of LivelyDb for doing real-time data binding of a database with local javascript objects. |
|
kwdb |
REST wrapper for levelup . |
|
level-restful |
REST wrapper for levelup , as an extension to level-orm . |
|
level-rest |
REST wrapper for levelup .NB. Not compatible with latest levelup . |
Shared Access
Name | Dependencies | Description |
---|---|---|
multileveldown |
Share a levelup instance across multiple processes or over the network. An alternative to multilevel , implemented as abstract-leveldown stores with seamless retry support. |
|
level-party |
Open a LevelDB (leveldown ) handle multiple times, transparently upgrading to multileveldown when more than 1 process try to use the same LevelDB data directory at once and re-electing a new master when the primary unix socket (or named pipe) goes down. |
|
cluster-levelup |
Wrap a levelup instance for cluster usage among multiple processes. |
|
multilevel |
Share a levelup instance over the network. |
|
multilevel-http |
Expose a levelup instance via HTTP. |
|
level-range-emitter |
Client and server using multileveldown , range-emitter and ltgt . |
|
level-manifest |
Describe the functions that multilevel should provide access to on the client. |
|
level-cluster-get |
Given a key, get all values from a cluster of multilevel servers. |
|
level-connect |
Connect to a level-party and level-sublevel enabled LevelDB over HTTP. |
|
level-sandbox |
A sandbox for hosting multilevel enabled databases. |
|
level2riak |
A network service that allows you to connect to a Riak database over HTTP. | |
leveldb-mount |
LevelDB server and client with optional client-side REPL. Built with subleveldown and multileveldown . |
|
level-pubsub |
PubSub with server and client on top of levelup . |
|
level-query |
Expose a level-sublevel database over HTTP, searchable with query strings. |
|
level-over-http |
Another solution to expose levelup over HTTP. |
|
level-rpc |
Fast RPC mechanism for levelup . Intended as binary-compatible alternative to multilevel . |
Streams
Node.js stream or pull-stream
implementations for reading and writing data from/to levelup
.
Name | Dependencies | Description |
---|---|---|
level-ws |
General-case, streams3 writable stream for levelup . |
|
level-batch-stream |
Streams2 writable stream for levelup . |
|
level-writestream |
Streams2 writable stream for levelup . |
|
level-write-stream |
Streams1 writable stream for levelup or abstract-leveldown . |
|
level-delete-stream |
A streams1 deleteStream for levelup . |
|
pull-level |
pull-stream interface to levelup with read streams, write streams and realtime (tail/live) reads. |
|
level-live-stream |
Like db.createReadStream() except it's live / tailable. i.e. instead of ending, it will stay open and stream changes to the database as they are inserted. |
|
level-live |
Simple, light and correct live read stream implementation. NB. Uses an undefined streams version. |
|
level-livefeed |
A live query of a range in levelup . Similar to level-live-stream but with a streams2 interface. |
|
level-range |
Find all K/V-pairs prefixed by a certain key. Streams1. | |
level-cursor |
A stream "cursor" to iterate through a ReadStream / KeyStream / ValueStream. | |
level-glob |
A streams2 read stream filtered and ordered by glob patterns. Keys in the database should be unix-like paths. |
Iterators
Modules that operate on abstract-leveldown
iterators.
Name | Dependencies | Description |
---|---|---|
level-concat-iterator |
Concatenate items from an iterator into an array. | |
level-iterator-stream |
Turn an abstract-leveldown iterator into a readable stream.Included in levelup . |
|
levelup-async-iterator |
Add an iterator() method to levelup with Symbol.asyncIterator .NB. Conflicts with iterator() added in [email protected] . |
|
level-iterator |
Decoding iterator for levelup instances. Wraps iterators like level-iterator-stream does.NB. Not compatible with levelup >= 2 due to encodings having moved out to encoding-down . PR welcome. |
Hooks
Low-level utilities for hooking into a levelup
instance.
Name | Dependencies | Description |
---|---|---|
level-events |
Get an event everytime something is written / read / deleted using levelup . |
|
level-hookdown |
Simple levelup hooks. |
|
level-post |
Consistent post hooks for levelup . |
|
level-condition |
Get notified when a condition is triggered inside a levelup instance. |
|
level-hooks |
Implements a hook mechanism that allows you to intercept put , delete and batch operations. You can then turn those operations into batches. Useful if you want to turn a put into an atomic batch for say an automatic map operation.NB. Author recommends using level-sublevel instead of level-hooks directly. Note that level-sublevel is not maintained. |
Range Options
Utilities for working with range options, known as ltgt(e), common to levelup
streams and abstract-leveldown
iterators.
Name | Dependencies | Description |
---|---|---|
ltgt |
Tool belt to find lower or upper bounds, compare and filter keys and more. | |
level-option-wrap |
Wrap ltgt options with functions. Expose range options without leaking information about your internal key representations. |
|
interval-to-ltgt |
Convert an interval string to an ltgt object. This is the counterpart to ltgt-to-interval . |
|
ltgt-to-interval |
Convert an ltgt object to an interval string. This is the counterpart to interval-to-ltgt . |
|
range-emitter |
Range emitter. Publish keys and subscribe to ranges. |
Data Structures
Modules that utilize a specific key/value scheme to provide a higher-level data structure.
Name | Dependencies | Description |
---|---|---|
merkle-dag |
Merkle DAG on top of LevelDB | |
merkle-patricia-tree |
Implementation of the modified merkle patricia tree as specified in Ethereum's yellow paper. | |
level-array |
The array datatype inside levelup . |
|
level-set |
Add a set method to levelup for saving objects in a tree-like structure. |
|
level-push |
Add a push method to levelup for saving objects using level-set with auto-generated UUID. |
|
level-version |
Store and retrieve versioned data in levelup . |
|
level-queue-type |
The queue datatype inside levelup . |
|
level-q |
Priority queuing for levelup . |
|
qool |
A queue backed by levelup , durable and FIFO. |
|
level-trie |
The TRIE data structure and search algorithm, on top of levelup . |
|
level-geospatial |
Store key values pairs with lat/lon coordinates, and query using a radius. | |
level-pathwise |
Turn levelup into one huge object of arbitrary size! Efficiently and atomically update and read parts of it. |
|
level-places |
Store and retrieve places near a lat/long pair. | |
level-nearby-stream |
Stream in nearby places using the browser's geolocation and level-places . |
|
level-tree |
Geospatial indexing for GeoJSON in levelup
|
|
level-list |
Map lists of data stored in levelup to DOM elements. |
|
level-reactive |
Reactive templating for data stored in levelup . |
|
level-paginate |
Streaming pagination for levelup . |
|
level-average |
Calculate rolling averages in levelup . |
|
level-sum |
Calculate sums in levelup and get live updates. |
|
level-historical-json |
Keep a history of all the changes of a JSON document. | |
level-immutable |
levelup immutable history and database snapshotting based on ideas in datomic . |
|
level-model |
A higher-level module for creating content models using levelup and JSON Schema validation. |
|
level-stream |
Persist streams in levelup . |
|
level-stay |
An alternative approach to storing scuttlebutts in levelup . |
|
skeyma |
Turns a template string (like ${forumId}/${postId} ) into parse/serialize streams that transform objects like {forumId, postId, text} into key-value pairs and back. |
|
level-autotable |
Auto incrementing keys with "fields" and "records". | |
level-forks |
Forking graph of cascading namespaces. | |
level-geo |
A geospatial index for levelup . |
|
level-geography |
Indexed geography storage in levelup . |
|
accountdown |
Persistent user accounts. | |
accountdown-model |
A wrapper around accountdown that provides a few additional features |
Transience
Name | Dependencies | Description |
---|---|---|
cachedown |
LRU cache implemented as an abstract-leveldown layer. |
|
level-ttl |
Add a ttl (time-to-live) option to levelup .NB. Suffers from race issues. See also tiny-level-ttl . |
|
tiny-level-ttl |
Add a ttl (time-to-live) option to levelup , level-sublevel or level-spaces . Also respects level-lock . |
|
level-live-cache |
An in-memory cache that keeps up to date with its source. | |
level-lru-cache |
Simple LRU cache. | |
level-ttl-cache |
A pass-through cache for arbitrary objects or binary data using LevelDB, expired by a TTL. | |
level-cache |
A caching module you can place in front of a levelup database. It will cache a subset of the database in an in-memory LRU cache based on configuration. It has an optional synchronous API which will return from the cache only. |
|
levelup-cache |
Use levelup to cache remote data. |
Atomicity
Name | Dependencies | Description |
---|---|---|
level-lock |
In-memory advisory read/write locks for levelup keys. |
|
level-mutex |
Mutex read/write lock for levelup . |
|
level-updater |
Update keys without overlapping changes - makes it possible to implement an atomic incrementer, JSON merger, etc. | |
levelplus |
Adds atomic updates, increments, array pushes, set additions and user-defined atomic operations to levelup . |
|
level-atomics |
Add (parallel) atomic operations like insert , replace , increment and decrement to levelup . |
|
level-transactions |
Transaction layer for levelup . |
Jobs
Name | Dependencies | Description |
---|---|---|
level-schedule |
A durable job scheduler. | |
level-jobs |
Job Queue in levelup . |
|
batchdb |
levelup and disk storage for queued batch jobs. |
File System
Name | Dependencies | Description |
---|---|---|
level-filesystem |
Full implementation of the Node.js fs module on top of levelup . |
|
browserify-fs |
level-filesystem as drop-in fs replacement for the browser, to be used with browserify . |
|
level-fs |
Node's fs module with levelup as backend. |
|
level-fs-browser |
level-fs as drop-in fs replacement for the browser, to be used with browserify . |
|
level-store |
A streaming storage engine based on levelup . |
|
level-serve |
Streaming static file server based on levelup . |
|
suckit |
Expose a level-store over HTTP. |
|
level-vinyl |
Vinyl adapter and blob store. Saves file contents in a content addressable blob store, file metadata in levelup . |
|
level-blob |
Store blobs in levelup
|
|
level-blob-store |
An abstract-blob-store using LevelDB as the storage backend |
|
level-pull-blob-store |
A pull-blob-store implementation backed by LevelDB. |
|
level-server |
Standalone LevelDB file server based on level-serve , multilevel and level-sublevel . |
Utilities
Name | Dependencies | Description |
---|---|---|
level-codec |
Encode keys, values and ltgte options. Used in encoding-down . |
|
level-errors |
Error types for levelup . |
|
level-test |
Easily run your level-* tests against all stores. |
|
level-compose |
Compose a database factory from abstract-leveldown and levelup layers. |
|
level-exists |
Check if a datum exists without reading its value. | |
level-move |
Move a value to another key. | |
level-capped |
Capped collections. | |
level-create |
Insert a key if and only if it doesn't already exist | |
level-create-batch |
Insert a batch of keys if and only if none of the keys already exist | |
level-modify |
Modify an existing key in levelup . Uses level-lock . See also level-create and level-move . |
|
level-random |
Read values of random levelup keys. |
|
level-shared-batch |
Share batches and commit collectively | |
batchlevel |
Batch all operations made on a levelup instance. Compatible with subleveldown . |
|
ltest |
Test function for levelup testing, based on level-test . |
|
level-probe |
Get the first record in a range, using an iterator or stream. NB. Not compatible with latest levelup . |
|
autolevel |
Automatically combine levelup with the right abstract-leveldown store for your configuration. |
|
level-lazy-open |
Lazily open a leveldown compatible backend. | |
changeset |
Generate diff changesets for javascript objects, decomposing diffs into a series of puts and delete operations. The format is compatible with levelup batch operations. Useful to synchronize objects. |
|
level-delete-range |
Delete a range of keys from levelup . |
|
levelup-defaults |
Change the defaults settings on a levelup instance by returning a new levelup instance that uses the same abstract-leveldown but different options. |
|
level-methods |
Useful meta information about levelup methods. |
Replication
Name | Dependencies | Description |
---|---|---|
level-2pc |
A two-phase commit protocol. | |
level-couch-sync |
Replicate from CouchDB to LevelDB. | |
level-master |
Master-Slave replication for levelup . |
|
level-merkle |
Uses merkle-trees to replicate data sets. Data must be sets and currently, deletes are not supported. | |
level-replicate |
Master-master replication with levelup . Implements scuttlebutt style handshake, syncs data, then replicates real time changes. |
|
level-replicator |
Master-master replication. Same goal as level-replicate but different approach. |
Tools
CLI, GUI and web interfaces for exploring data.
Name | Dependencies | Description |
---|---|---|
lev2 |
A complete REPL & CLI for managing LevelDB instances | |
level-in |
A simple command-line utility for writing data to LevelDB via levelup . |
|
level-out |
A simple command-line utility for reading LevelDB data via levelup . |
|
level-key-list |
Command-line tool for quickly printing a list of keys in a LevelDB database. | |
lev |
A CLI REPL interface for LevelDB. | |
leveldb-repl |
Super simple REPL for LevelDB. Supports filter globbing. | |
levelhud |
LevelDB GUI with an interactive console. | |
levelweb |
A LevelDB GUI. Includes simple data visualization tools. | |
level-cli |
Interact with LevelDB on the command line. | |
level-explore |
A terminal program to visualize LevelDB data. Early stages. | |
level-repair |
CLI tool to repair a LevelDB. | |
leveldb-editor |
Edit a LevelDB from the command line. | |
levelscan |
LevelDB command line scanning utility | |
levelui |
A LevelDB GUI based on atom-shell (now called Electron). |
Benchmarking & Debugging
Name | Dependencies | Description |
---|---|---|
level-bench |
Benchmark abstract-leveldown and levelup stores. |
|
level-compare-forks |
Run benchmarks on different level-forks and see how they compare. | |
level-log |
Log all levelup operations, including method calls. |
|
debugdown |
Log all operations made on an abstract-leveldown compliant store. For node and browsers. |
|
level-time |
Log levelup operations and their duration. |
|
level-dump |
Dumps all values and/or keys of a levelup or level-sublevel instance to the console. |
|
level-benchmarks |
Run benchmarks against levelup-compatible engines |
Resources
Name | Description |
---|---|
leveljs.org |
Website for Level |
level-community |
General discussion, cross-repo efforts and common information for projects in the community |
electron-demo |
Demo app loading LevelDB into an Electron context. |
browserify-starter |
Demonstrates bundling level for browsers using browserify . |
webpack-starter |
Demonstrates bundling level for browsers using webpack . |
level-awesome |
An open list of awesome Level libraries and resources. |
levelmeup |
Level Me Up Scotty! An intro to Node.js databases via a set of self-guided workshops. |
Applications
Applications and libraries that use Level modules under the hood.
Name | Description |
---|---|
ipfs |
A peer-to-peer hypermedia protocol to make the web faster, safer, and more open. |
clocker |
Track project hours |
copy-on-write |
A copy-on-write FUSE implementation |
chrome-localstorage |
CLI to manipulate Chrome and Chromium's localStorage on disk. |
cipherhub |
Encrypt messages based on GitHub SSH public keys |
code-music-studio |
Design musical algorithms |
level-todo |
A todo list using LevelDB. |
electron-crash-report-service |
Aggregate crash reports for Electron apps |
cross-street-indexer |
Blazing fast tile based geocoder that matches cross street (road intersections) entirely sourced by OSM QA Tiles. |
lt-core |
Time tracking library. |
npm-search |
An index of npm using levelup . |
connect-level |
A connect / express session store backed by LevelDB via levelup . |
hadron |
A hackable publishing platform using LevelDB as main database. |
groove basin |
Music player server with a web-based user interface. Uses levelup for the music library database. |
prerender-level-cache |
Prerender plugin to use level as a cache store. |
tsd |
Spin up a quick server to visualize time series data. |
appfeed |
Version feed for trusted application delivery |
arrivals-osx |
Watch a folder for audio and video arrivals and convert them to Apple-friendly formats. |
bleach-log-server |
Keep track of bleach levels for a hot tub or a pool. |
browserify-cdn |
Browserify CDN. Caches browserify bundles in LevelDB. |
Legacy
Modules that are deprecated, archived or superseded. Listed here for the historical record.
Name | Description |
---|---|
level-browserify |
Bundle for level-js and leveldown . No longer maintained: superseded by level v5.0.0. |
level-mapped-index |
Indexes for levelup built on map-reduce . Uses a custom indexing function for each index to parse and record index values for each entry. Archived. |
level-encoding |
Implements the encoding logic of a levelup -like database. This functionality lives on in level-codec . |
byteup |
Adds bytewise as a native encoding for levelup . This can now be achieved with encoding-down and { keyEncoding: bytewise } . |
msgpackup |
Adds msgpack as a native encoding for levelup . This can now be achieved with encoding-down and { keyEncoding: msgpack } . |
level-cbatch |
Provides a chainable API for db.batch() . This functionality is now provided by levelup . |
memdb |
levelup + memdown . Superseded by level-mem . |
levelup-iterator |
Use abstract-leveldown iterators instead of readable streams to traverse the database. Iterators are exposed by levelup since [email protected] . |
levelidb |
A levelup interface on top of IndexedDB. Superseded by level-js and level . |
level-multiply |
Make levelup get() , put() and del() methods accept multiples keys & values. Archived. |
level-namespace |
Split your db up into multiple namespaces. Deprecated. |
q-level |
levelup with Q promises. levelup has native Promise support now. |
level-static |
Use levelup as a static file server. Abandoned. |
level-spaces |
A simple namespacing solution for levelup . Deprecated. |
level-object |
Store objects in levelup . Author recommends level-pathwise instead. |
level-scuttlebutt |
Persist and query scuttlebutt documents (requires level-sublevel ). Abandoned. |
gun-level |
Sync graph-style data real-time between browsers and servers. Discontinued. |
level-co |
levelup wrappers for co. Instead use native ES6 features. |
level-session |
Framework-agnostic, LevelDB-backed web server session manager. Archived. |
level-socket |
Backend server that exposes levelup over authenticated cross domain websockets. |
level-user |
Client side library for authenticating with and moving data over level-socket . |
string-range |
Manipulate string ranges for db.createReadStream() . Abandoned. |
range-bucket |
Generate string ranges that group into ranges, suitable for use as database keys. Abandoned. |
level-partition-check |
Extend levelup to error if you write outside of a specified range of keys. Stalled work in progress. |
level-binomial-replication |
Biniomial replication for levelup . Abandoned. |
level-bytewise |
levelup with bytewise key encoding and bytewise-friendly sublevels. |
level-peek |
Get the first or last record in a range. Abandoned. |
level-party-hyper |
Defunct fork of level-party . |
level-prebuilt |
Same as level but with prebuilt binaries. This is now provided by level too. |
level-promise |
levelup with Promises. This is now provided by levelup out of the box. |
level-search |
Index and search every property in levelup containing object values. Abandoned. |
level-scout |
Range search with a query planner. Development stalled. |
leveldown-android-prebuilt |
Defunct fork of leveldown to add Android support. Merged into leveldown . |
leveldown-prebuilt |
Defunct fork of leveldown to add prebuilt binaries. Now provided by leveldown . |
level-map-index |
Another indexing module. Adapted from map-reduce . Author recommends other solutions. |
level-memview |
In memory view on top of levelup . Abandoned. |
plumbdb |
HTTP request handlers for building web services on top of LevelDB. Not in active development. |
Contributing
Module and resource authors are welcome and encouraged to add an entry for their work via a pull request. To add a module, edit modules/*.json
and run npm run awesome
to update README.md
.
Level/awesome
is an OPEN Open Source Project. This means that:
Individuals making significant and valuable contributions are given commit-access to the project to contribute as they see fit. This project is more like an open wiki than a standard guarded open source project.
See the Contribution Guide for more details.
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and its activities, become a backer or sponsor on Open Collective. Your logo or avatar will be displayed on our 28+ GitHub repositories and npm packages. 💖
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License
MIT © 2017-present Contributors.