Open-source, self-hostable alternative to Vercel, Netlify, Railway and Heroku. Self-host any app on your own servers in minutes.

FNA - Accuracy-focused XNA4 reimplementation for open platforms

Windows CE 2.11 for N64!

Retro ASCII-style UI for Avalonia — bringing classic text-mode interfaces to modern apps.

A Minecraft server written in COBOL

FRANK OS - The RP2350 Operating System

A UNIX-like kernel for the i386 architecture

An experimental text editor based on Scintilla and Turbo Vision.

Tiny Linux for Vintage Computers

⚙️ C99-compatible multipass compiler written in TypeScript with GCC extensions support. Features a handcrafted left-recursive parser, custom IR, SSA-based optimizer, and a full frontend/backend pip…

Remake of an MSDOS game for the ESP32 microcontroller using the ST7789 / ILI9341 LCD display and a joystick module.

Carbon Language's main repository: documents, design, implementation, and related tools. (NOTE: Carbon Language is experimental; see README)

A direct-style effect system in Scala 3 that tracks effects using context parameters

[Go]Minimal event sourcing/CQRS library using protocol buffers for commands, events and states.

Fil-C: completely compatible memory safety for C and C++

The Community Maintained High Velocity Web Framework For Java and Scala.

The Scala 3 compiler, also known as Dotty.

An emulator for the IBM 1401 computer, written in BAL360 - intended to work on MVS 3.8

Javascript implementation in C++

The Lemon Operating System

Run DOS programs under linux:

YouTrackDB is a general-use object-oriented graph database with storage format native to handle graph relations. YouTrackDB supports Gremlin queries and ACID transactions.

ArcadeDB Multi-Model Database, one DBMS that supports SQL, Cypher, Gremlin, HTTP/JSON, MongoDB and Redis. ArcadeDB is a conceptual fork of OrientDB, the first Multi-Model DBMS. ArcadeDB supports Ve…

A powerful little TUI framework 🏗

Cross-build scripts for .NET

high-performance graph database for real-time use cases

JanusGraph: an open-source, distributed graph database

An operating system written in Common Lisp

A compiler from Go to JavaScript for running Go code in a browser