codec

Multithreaded H.264 / MVC software decoder for 3D Blu-ray stereo - fast, portable (x86/ARM/WASM), hardened for real-world streams

Base-9 (ninths-grid) model quantization: the K9 codec, measured frontiers vs GGUF/NF4, and a parser-verified Godot 4 coder fine-tune

Turn images into Morse code and back! 📡✨ This PHP library encodes every pixel of a PNG or JPEG image into Morse code and stores it in a text file — and can perfectly reconstruct the image from it.

LTE/EPS (4G) S1AP (S1 Application Protocol) APER codec written in Rust.

5G NGAP (NG Application Protocol) APER codec written in Rust.

Windows 11 shell extension (Rust): Explorer thumbnails for 331 file types Windows can't show, including camera RAW, PSD, HEIC/AVIF, video, ebooks, comics and CAD. Crash-isolated, source-available rebuild of SageThumbs.

FFmpeg bindings for Node.js. Features both low-level and high-level APIs, full hardware acceleration, TypeScript support, and modern async patterns

Compression Benchmark

World's Leading Open Source JPEG 2000 Codec

Golden and property-based tests for JSON codecs in Kotlin, with Jackson or kotlinx.serialization

JPEG XL image format reference implementation

HEVC/H.265 decoder and player support for any browser via WebAssembly. Drop-in dash.js, hls.js and Shaka Player plugins transcode HEVC → H.264 client-side for DASH and HLS streams. Works on Chrome, Firefox and browsers without native HEVC.

🛠️ Build and test an application store demo locally to showcase app management capabilities and streamline development processes.

Adaptive Quality Profile Selector & Advanced OSD for mpv based on multi-factor video analysis.

NHW : A Next-Generation Image Compression Codec

Compact binary serialization for Zod, Valibot, and ArkType

A programmable Voice AI platform: SIP and WebRTC call control, multi-party mixing, recording, TTS/STT, and pluggable AI agents (ElevenLabs, VAPI, Pipecat, Deepgram) — all driven through a REST API, webhooks, and a WebSocket event stream

VVCEasy provides ready prebuilt VVC (Versatile Video Codec) binaries & players. Simple, Easy, Encode and Decode.

CBOR codec (RFC 8949, RFC 8742) with CBOR tags, Go struct tag options (toarray, keyasint, omitempty, omitzero), float64/32/16, big.Int, and fuzz tested.