Open source. Open possibilities.

Pion WebRTC is a pure Go implementation of the WebRTC API, providing PeerConnection, DataChannels, media processing, and secure connectivity without Cgo.

Turso Database is an in-process SQL database written in Rust and compatible with SQLite, adding an experimental PostgreSQL frontend, multi-language bindings, MVCC concurrency, change data capture and vector support.

raylib is a simple, easy-to-use C library for videogame programming, ideal for prototyping, education, and graphical applications.

Official Kotlin repository: JetBrains' concise multiplatform programming language, with compiler, standard library, Gradle build automation, Kotlin/Native support, and contributor guidelines.

ThunderForgeVTT is an open-source virtual tabletop built with Rust and WebAssembly, currently in early concept/PoC stage, aiming for easy hosting and a fantasy-friendly experience.

SafeMesh provides formally verified CRDTs (G-Set, G-Counter, OR-Set, etc.) using Lean 4 proofs and no_std Rust. It offers C, WASM/TS, and Python bindings for small, embeddable state synchronization, requiring users to provide their own transport layer.