Simple, modern libpng alternative

yt-dlp plugin for converting Bilibili danmaku into ASS format

JPEG XL image format reference implementation

Fork of JPEGView by David Kleiner - fast and highly configurable viewer/editor for JPEG, BMP, PNG, WEBP, TGA, GIF and TIFF images with a minimal GUI. Basic on-the-fly image processing is provided -…

J40: Independent, self-contained JPEG XL decoder

The next generation of apngasm, the APNG Assembler. The apngasm CLI tool and library can assemble and disassemble APNG image files.

Intelligent Storage Acceleration Library

Advanced Zopfli fork: ZIP support, multi-threading, compression cache (zopfliDB), auto/manual block split, compression and speed control with thread affinity locking and more, experimental switches.

Zopfli Compression Algorithm is a compression library programmed in C to perform very good, but slow, deflate or zlib compression.

Drop in replacement for zlib.h by isa-l.

Heavily optimized library for DEFLATE/zlib/gzip compression and decompression

A feature-rich command-line audio/video downloader

zlib replacement with optimizations for "next generation" systems.

Cloudflare fork of zlib with massive performance improvements

Convert comments from Niconico/AcFun/bilibili to ASS format

Faster conversion for larger Danmaku to Ass format with C++ and Python interface

yt-dlp fork with some more features

Benchmarks, data and scripts for comparing various zlib-compatible de-/compression libraries