251. crystalizer(De)serialize any Crystal object - out of the box. Supports JSON, YAML and Byte format.
257. timecop.crA timecop inspire library allowing "time travel", "freezing time" and "time acceleration".
261. AgentSmith🕴 An IRC server that is actually a Matrix client. Use your favourite IRC client to communicate with the Matrix.
263. salt**Unmaintained** A Human Friendly Interface for HTTP server written in Crystal.
265. avramA Crystal database wrapper for reading, writing, and migrating Postgres databases.
267. sensible-cinemaClean Editing Movie Player (sensible cinema/play it my way) allows you watch edited movies by applying delete lists (EDL's) (i.e. "mute out" or "cut out" scenes) to DVD's/files, with preliminary support for also applying them to arbitrary web/internet based players like netflix instant, hulu/hulu plus etc. http://playitmyway.org
268. mpnginA simple and fast URL shortener with built in stats.
274. cossackSimple and flexible HTTP client for Crystal with middleware and test support.
275. jq.crthin JSON::Any wrapper to emulate jq for crystal
276. sdkgen[ DEPRECATED, SEE https://github.com/sdkgen/sdkgen ] Tool that aims on solving client-server communication and data layout sharing between server, web, android and ios using a description language also called sdkgen.
277. waspA Static Site Generator written in Crystal.
278. dexterA logger with maximum customizability and surgical precision
281. run with forkSome simple parallelism for Crystal. Run some heavy or blocked thread operations in background fork.
284. rucksackAttach static files to your compiled crystal binary and access them at runtime.
285. form builder.crDead simple HTML form builder for Crystal with built-in support for many popular UI libraries such as Bootstrap
288. mongo ormMongo ORM: A simple ORM for using MongoDB with the crystal programming language, designed for use with Amber. Based loosely on Granite ORM. Supports Rails-esque models, associations and embedded documents.
289. Leafgem🌿💎 The humble beginnings of a 2D game engine in Crystal! [in-progress]
295. transfer moreFast and temporary file uploader 📶 UPSTREAM ON https://git.sceptique.eu/Sceptique/transfer_more
296. libgenAutomatic C-bindings generator for the Crystal language
297. tdiffCLI tool for comparing tree like structures