Luacheck - Tool for linting and static analysis of Lua code.
rlua - High level bindings between Rust and Lua.
Code Formatter for Lua - Pretty-printer for Lua code, written in TypeScript and deeply inspired by prettier.
GopherLua - VM and compiler for Lua in Go.
Lunatic Python - Two-way bridge between Python and Lua.
Lua in Rust - Pure Rust implementation of Lua compiler.
Typed Lua - Optional Type System for Lua.
Teal - Compiler for Teal, a typed dialect of Lua.
pprint.lua - Lua pretty printer.
LuaJIT Language Toolkit - Implementation of the Lua programming language written in Lua itself.
Antifennel - Turn Lua code into Fennel code.
Croissant - Lua REPL and debugger implemented in Lua.
busted - Elegant Lua unit testing.
RxLua - Reactive Extensions for Lua.
LTUI - Cross-platform terminal ui library based on Lua.
Moonshine - Lightweight Lua VM for the browser.
lua-fsm - Simple finite-state machine implementation for Lua.
plenary.nvim - All the lua functions I don't want to write twice.
LuaUnit - Popular unit-testing framework for Lua, with an interface typical of xUnit libraries.
LuaFormatter - Reformats your Lua source code.
Heart - High performance Lua web server with a simple, powerful API.
Penlight - Useful pure Lua modules, focusing on input data handling, functional programming and OS path management.
StyLua - Opinionated Lua code formatter.
Full Moon - Lossless Lua 5.1 parser.