Chromium fork named after radioactive element No. 90. Windows and MacOS/Raspi/Android/Special builds are in different repositories, links are towards the top of the README.md.

JPEG XL image format reference implementation

nomacs is a free image viewer for windows, linux, and mac systems.

A simple image viewer. 一款简单的看图软件。

Qt plug-in to allow Qt and KDE based applications to read/write JXL images.

A Jpeg XL viewer and library for android.

NBLI is a fast, better lossless image compression algorithm. The optimized version (fNBLI) can get 1.5x compression ratio, 8x faster encoding, and 1.2x faster decoding compared to PNG. It can also beat the SOTA JPEG-XL on photographs.

JPEG XL (JXL) Decoder/Encoder library for Android

libjxl for Chromium - restores JPEG-XL functionality to Thorium/Chromium post M109

Jpeg XL Decoder/Encoder viewer for iOS, MacOS. Swift

Join multiple images into a single JPEG XL image as multilayered or animated