2181 Open source projects that are alternatives of or similar to Gravity

The Simple Intelligent and Modular Programming Language and Environment

Umka: a statically typed embeddable scripting language

Minimal, low-level, fast, and self-contained register-based bytecode virtual machine/runtime environment.

Minimal, low-level, fast, and self-contained register-based bytecode virtual machine/runtime environment.

XPath/XQuery 3.1 interpreter for Pascal with compatibility modes for XPath 2.0/XQuery 1.0/3.0, custom and JSONiq extensions, XML/HTML parsers and classes for HTTP/S requests

Interpreter framework for Lisp-based extension and scripting languages on macOS and iOS. LispKit is based on the R7RS standard for Scheme. Its compiler generates bytecode for a virtual machine. LispKit is fully implemented in Swift 5.

The fastest JSON library in C

Research WebAssembly Engine

🥣 Juka Programming Language - Fast Portable Programming Language. Run code anywhere without complicated installations and admin rights. Simple, yet powerful new programming language [Easy to code and run on any system] IOT devices supported!

An embeddable, tiny Forth interpreter with metacompiler.

A toy programming language.

The Lioness Programming Language

A simple virtual machine - compiler & interpreter - written in golang

Query, update and convert data structures from the command line. Comparable to jq/yq but supports JSON, TOML, YAML, XML and CSV with zero runtime dependencies.

Simple, expressive & portable programming language for efficient scripting

A virtual machine and a tree-walk interpreter for the Lox programming language in C89 🌀

[W.I.P] A Just-In-Time Java Virtual Machine written in Haskell

A gradually typed language originally based on the crafting interpreters series

A performant, and portable jq wrapper to facilitate the consumption and output of formats other than JSON; using jq filters to transform the data.

Otus Lisp (Ol in short) is a purely* functional dialect of Lisp.

A Squeak/Smalltalk VM written in RPython.

Byte Token Threaded Forth Virtual Machine (FVM) for Arduino

🔔 Jingle is a dynamically-typed, multi-paradigm programming language designed for humans and machines.

Serverless Wasm - A lightweight Node.js application for deploying and executing WebAssembly(Wasm) binary-code via HTTP

🔮⚡️Vein is an open source high-level strictly-typed programming language with a standalone OS, arm and quantum computing support.

X11-Basic BASIC programming language.

🌟This is a pure C++ implementation of Java Virtual Machine (only Java 8 is supported). Inspired by Hotspot In Action.

Looks like JavaScript, feels like Ruby, and it is a script language fitting in C programmers.

The Cub Programming Language

Low level language, tiny virtual machine that works on computers and microcontrollers. (Friendly Punched cards)

🔑Elements of Reusable Object-Oriented Software🔓is a software engineering book describing software design patterns. The book's authors are Erich Gamma, Richard Helm, Ralph Johnson and John Vlissides with a foreword by Grady Booch.

Eclipse OpenJ9: A Java Virtual Machine for OpenJDK that's optimized for small footprint, fast start-up, and high throughput. Builds on Eclipse OMR (https://github.com/eclipse/omr) and combines with the Extensions for OpenJDK for OpenJ9 repo.

The Pythonic way to use JSON - with native objects 🛠 and path support 📁

The official repo is at bellard/quickjs.

The Wren Programming Language. Wren is a small, fast, class-based concurrent scripting language.

Minecraft Add-on Editor | We strive to provide the best development experience possible

A low overhead, embeddable bytecode virtual machine in C++

Goby - Yet another programming language written in Go

☕️ Symja - computer algebra language & symbolic math library. A collection of popular algorithms implemented in pure Java.

Ciao is a modern Prolog implementation that builds up from a logic-based simple kernel designed to be portable, extensible, and modular.

An Operating System that runs on top of an interpreter.

lunatic: a toy lua interpreter

libforth: A small Forth interpreter that can be used as a library written in c99

Clover2 can be used as shell. The completion is powerfull like IDE. Also clover2 is a Ruby-like compiler language with static type like Java. This is high performnace. Please see the wiki for details

A fast, byte-code interpreted language

NJ is a simple script engine in golang with Lua-like syntax.

A subset of javascript implemented in that subset of javascript. Yes, it can run itself.

Snap Programming Language

Scheme语言实现和运行时环境 / A Scheme runtime & implementation

Jaws is an invisible programming language! Inject invisible code into other languages and files! Created for security research -- see blog post

Eclipse OpenJ9: A Java Virtual Machine for OpenJDK that's optimized for small footprint, fast start-up, and high throughput. Builds on Eclipse OMR (https://github.com/eclipse/omr) and combines with the Extensions for OpenJDK for OpenJ9 repo.

Programming Language maxc

Corium is a modern scripting language which combines simple, safe and efficient programming.

A parser, compiler, and virtual machine evaluator for a minimal subset of Lua; written from scratch in Rust.

🚀 The fastest WebAssembly interpreter, and the most universal runtime

🐦 Successor of my monkey Interpreter(support for class, linq, sql, net, http, fmt, json and A realtime syntax highlighting REPL).

THIS IS A MIRROR, CHECK https://codeberg.org/Horse64/core.horse64.org

A memory safe Lua interpreter

The official mirror of the V8 Git repository

Interpreter with support for class, linq, sql, net, http, fmt, json and A realtime syntax highlighting REPL.