Lunatik is a framework for scripting the Linux kernel with Lua
A web framework for Lua and OpenResty written in MoonScript
A lightweight game server framework implemented with Actor Model
A Lua implementation for the Dynamic Language Runtime (DLR)
Scripting platform, modding framework and VR support for RE Engine
LuaUnit is a popular unit-testing framework for Lua
GopherLua: VM and compiler for Lua in Go
World of Warcraft addon that provides a powerful framework
Tools for BPF-based Linux IO analysis, networking, monitoring, etc.
An extensible framework for interacting with tests within NeoVim
Godot game template and component-based framework
An MVVM & Databinding framework that can use C# and Lua
BizHawk is a multi-system emulator written in C#
3D game engine/framework in C, with Luajit and Python bindings now
Capstone disassembly/disassembler framework
An authorization library that supports access control models
Unicorn CPU emulator framework (ARM, AArch64, M68K, Mips, Sparc
Extremely fast enterprise server framework, can be used in RPC
Source for the TechEmpower Framework Benchmarks project
A vi-like editor based on Plan 9's structural regular expressions
LÖVE is an awesome 2D game framework for Lua
Lua based interactive firmware for ESP8266, ESP8285 and ESP32