jojorne

Blish-HUD

A Guild Wars 2 overlay with extreme extensibility through compiled modules.

Harmony

A library for patching, replacing and decorating .NET and Mono methods during runtime

KoboldAI

koboldcpp

A simple one-file way to run various GGML and GGUF models with KoboldAI's UI

lite.koboldai.net

A zero dependency web UI for KoboldAI Horde

LSLEditorCE

Alphons van der Heijden, author of LSLEditor, the great off-line editor and debugging tool for scripting in Second Life, has donated his opus magnum to the free and open source community where it can grow and keep pace with the SL platform!

REFramework

Scripting platform, modding framework and VR support for all RE Engine games