OpenRCT2 / OpenRCT2

An open source re-implementation of RollerCoaster Tycoon 2 🎢

migueletto / PumpkinOS

PumpkinOS is a re-implementation of PalmOS.

mit-pdos / xv6-riscv

A teaching operating system: a re-implementation of Unix Version 6 in ANSI C for RISC-V multiprocessors, running on QEMU.

roboflow / trackers

Trackers gives you clean, modular re-implementations of leading multi-object tracking algorithms released under the permissive Apache 2.0 license. You combine them with any detection model you already use.

OpenLoco / OpenLoco

An open source re-implementation of Chris Sawyer's Locomotion

thepowersgang / mrustc

Alternative rust compiler (re-implementation)

afritz1 / OpenTESArena

Open-source re-implementation of The Elder Scrolls: Arena.

romanz / electrs

An efficient re-implementation of Electrum Server in Rust

LostArtefacts / TRX

Open source re-implementation of Tomb Raider I, Tomb Raider II and Tomb Raider III, along with additional enhancements and bugfixes

lethal-guitar / RigelEngine

A modern re-implementation of the classic DOS game Duke Nukem II

riperiperi / FreeSO

Re-implementation of The Sims Online.

ChrisHayduk / minAlphaFold2

A minimal PyTorch re-implementation of AlphaFold2's model & training

OpenRAC / rac1-decomp

A work-in-progress matching decompilation of the original Ratchet & Clank (2002) for PlayStation 2 (SCES_509.16, PAL v2.00). Focuses on reconstructing clean, idiomatic C/C++ source code identical to the retail executable, paving the way for native PC re-implementation and game preservation.

rowanG077 / Resonance

A modern Tales of Symphonia re-implementation