j2k

Free and open source manga reader for Android

Unofficial MangaDex Reader for Android 8+

Official MangaDex Tachiyomi Fork Neko – Manga Reader for Android 2026

Top Manga Reader App 2026: Komikku Open Source Android Alternative

A Python framework for decoding JPEG images, with a focus on supporting pydicom

A J2K, JP2 and HTJ2K plugin for pylibjpeg

Free open source manga and novel reader for android

High-Throughput JPEG 2000 (HTJ2K) decoder for Node.js and browser

Rust JPEG 2000 / HTJ2K codec with CUDA and Metal GPU paths.

JavaScript library for decoding HT codestreams

Optional JPEG and DICOM data used for testing pylibjpeg

C# and VB.NET samples for Jpeg2000.Net library

GPU JPEG2000 (J2K) benchmark: fvJPEG2000 vs nvJPEG2000 on an NVIDIA RTX 4090. Reproducible measurement procedure with scripts and logs.

Fork of OpenJpeg project with a working JNI decoder

Rust bindings to world's leading open source JPEG 2000 codec

A small game engine for the J2K language on Android/Termux: terminal and GPU drawing (OpenGL ES 3.1, Vulkan), compute shaders, written in J2K

Pure Rust JPEG 2000 (JP2/J2K) encoder and decoder

J2K, a small systems language, and Jcmp, its self-hosting compiler: native Linux ARM64 and ARM32 programs, no libc, written in J2K itself and built on a phone

Libraries for the J2K language and the index for jget: the game engine gamej, OpenGL ES 3.1, Vulkan, compute shaders, deflate/gzip, neural networks

Pure-Go JPEG 2000 codec: decoder and encoder for JP2 and J2K (ISO/IEC 15444-1), lossless and lossy, with image.Image support and a command-line tool. No cgo, no dependencies.