Repositories list

• ttconv

  Public
  Subtitle conversion library and CLI tool. Converts between STL, SRT, TTML, SCC, TTML and WebVTT files.

  convertersccformat+ 10

  convertersccformatstlcaptionsrtwebvttttmlimsc608+ 3

  Python

  •

  BSD 2-Clause "Simplified" License

  •3535 forks•231231 stars•2828 issues•44 pull requests•Updated Apr 24, 2026Apr 24, 2026

• openexr-ht

  Public
  The OpenEXR project provides the specification and reference implementation of the EXR file format, the professional-grade image storage format of the motion pi…

  C

  •

  BSD 3-Clause "New" or "Revised" License

  •675675 forks•33 stars•00 issues•55 pull requests•Updated Apr 10, 2026Apr 10, 2026

• OpenJPH

  Public
  Open-source implementation of JPEG2000 Part-15 (or JPH or HTJ2K)

  C++

  •

  BSD 2-Clause "Simplified" License

  •7979 forks•00 stars•00 issues•00 pull requests•Updated Apr 4, 2026Apr 4, 2026

• lossy-j2k-exr

  Public
  C++

  •

  BSD 3-Clause "New" or "Revised" License

  •00 forks•00 stars•00 issues•00 pull requests•Updated Apr 1, 2026Apr 1, 2026

• w3c-ns

  Public
  W3C namespaces

  HTML

  •55 forks•00 stars•00 issues•00 pull requests•Updated Mar 31, 2026Mar 31, 2026

• imscJS

  Public
  JavaScript library for rendering IMSC Text and Image Profile documents to HTML5

  polyfillcaptionssubtitles+ 5

  polyfillcaptionssubtitlesttmlebu-tt-dimsc1imscttml1

  JavaScript

  •

  BSD 2-Clause "Simplified" License

  •2929 forks•8989 stars•2121 issues•55 pull requests•Updated Mar 2, 2026Mar 2, 2026

• oss-fuzz

  Public
  OSS-Fuzz - continuous fuzzing for open source software.

  Shell

  •

  Apache License 2.0

  •2.7k2.7k forks•11 star•00 issues•00 pull requests•Updated Feb 25, 2026Feb 25, 2026

• regxmllib

  Public
  Convert MXF to XML: RegXML (SMPTE ST 2001-1) tools and libraries

  xmldcpmxf+ 3

  xmldcpmxfregxmlst2001-1imf

  Java

  •

  BSD 2-Clause "Simplified" License

  •1515 forks•3737 stars•99 issues•22 pull requests•Updated Feb 13, 2026Feb 13, 2026

• ccsubs-site

  Public
  11 fork•00 stars•00 issues•00 pull requests•Updated Jan 22, 2026Jan 22, 2026

• regmxflib

  Public
  Java

  •

  BSD 2-Clause "Simplified" License

  •00 forks•11 star•00 issues•00 pull requests•Updated Jan 8, 2026Jan 8, 2026

• kdu-perf

  Public
  C++

  •

  BSD 2-Clause "Simplified" License

  •00 forks•11 star•00 issues•11 pull request•Updated Sep 21, 2025Sep 21, 2025

• exrkdu

  Public
  C++

  •

  BSD 3-Clause "New" or "Revised" License

  •00 forks•00 stars•11 issue•00 pull requests•Updated Aug 3, 2025Aug 3, 2025

• exrperf

  Public
  C++

  •

  BSD 2-Clause "Simplified" License

  •00 forks•00 stars•00 issues•00 pull requests•Updated Jul 30, 2025Jul 30, 2025

• IMF

  Public
  IMF-related artefacts

  22 forks•55 stars•11 issue•33 pull requests•Updated Jul 11, 2025Jul 11, 2025

• note-1-validator

  Public
  Python

  •

  BSD 2-Clause "Simplified" License

  •00 forks•00 stars•00 issues•00 pull requests•Updated Jul 10, 2025Jul 10, 2025

• libench

  Public
  Lossless image coding benchmark tool

  benchmarkimagecoding+ 1

  benchmarkimagecodinglossless

  C++

  •

  BSD 2-Clause "Simplified" License

  •44 forks•55 stars•33 issues•11 pull request•Updated Mar 31, 2025Mar 31, 2025

• libwebp

  Public
  Mirror only. Please do not send pull requests. See https://chromium.googlesource.com/webm/libwebp/+/HEAD/CONTRIBUTING.md.

  C

  •

  BSD 3-Clause "New" or "Revised" License

  •598598 forks•00 stars•00 issues•11 pull request•Updated Mar 29, 2025Mar 29, 2025

• kduc

  Public
  C wrapper for KDU SDK

  C++

  •

  BSD 2-Clause "Simplified" License

  •11 fork•00 stars•22 issues•00 pull requests•Updated Feb 28, 2025Feb 28, 2025

• ffmpeg-ht

  Public
  Adding Part 15 to ffmpeg JPEG 2000 decoder

  C

  •

  Other

  •00 forks•11 star•22 issues•11 pull request•Updated Jan 26, 2025Jan 26, 2025

• doi-uri-scheme

  Public
  00 forks•00 stars•00 issues•00 pull requests•Updated Nov 13, 2024Nov 13, 2024

• MediaInfoLib

  Public
  Convenient unified display of the most relevant technical and tag data for video and audio files.

  C++

  •

  BSD 2-Clause "Simplified" License

  •203203 forks•00 stars•00 issues•00 pull requests•Updated Oct 16, 2024Oct 16, 2024

• openexr-ht-private

  Public
  C

  •

  BSD 3-Clause "New" or "Revised" License

  •00 forks•22 stars•00 issues•22 pull requests•Updated Oct 12, 2024Oct 12, 2024

• hexo-landscape

  Public
  Stylus

  •

  MIT License

  •00 forks•00 stars•00 issues•00 pull requests•Updated Jul 20, 2024Jul 20, 2024

• rfc-j2k-scl

  Public
  00 forks•11 star•00 issues•00 pull requests•Updated Jul 17, 2024Jul 17, 2024

• photon

  Public
  Photon is a Java implementation of the Interoperable Master Format (IMF) standard. IMF is a SMPTE standard whose core constraints are defined in the specificati…

  Java

  •

  Apache License 2.0

  •7979 forks•00 stars•00 issues•22 pull requests•Updated Jun 26, 2024Jun 26, 2024

• imscHRM

  Public
  Validator for the IMSC Hypothetical Render Model (HRM), which constrains TTML document complexity.

  hrmttmlimsc

  hrmttmlimsc

  Python

  •

  BSD 2-Clause "Simplified" License

  •00 forks•99 stars•22 issues•00 pull requests•Updated May 16, 2024May 16, 2024

• gdal

  Public
  GDAL is an open source MIT licensed translator library for raster and vector geospatial data formats.

  C++

  •

  Other

  •2.9k2.9k forks•00 stars•00 issues•00 pull requests•Updated May 3, 2024May 3, 2024

• hexo-theme-cleaner-blog

  Public
  Hexo Cleaner Blog

  EJS

  •

  MIT License

  •128128 forks•00 stars•00 issues•00 pull requests•Updated May 3, 2024May 3, 2024

• repkl

  Public
  Python

  •

  BSD 2-Clause "Simplified" License

  •22 forks•00 stars•00 issues•00 pull requests•Updated Aug 24, 2023Aug 24, 2023

• ffmpeg-imf

  Public
  Adds an IMF demuxer to FFMPEG (https://github.com/sandflow/ffmpeg-imf/blob/develop/README-IMF.md)

  ffmpegimf

  ffmpegimf

  C

  •

  Other

  •55 forks•2020 stars•22 issues•88 pull requests•Updated Aug 10, 2023Aug 10, 2023