Repositories list

• unicodetools

  Public
  home of unicodetools and https://util.unicode.org JSPs

  HTML

  •

  Other

  •8181 forks•9797 stars•150150 issues•6161 pull requests•Updated Oct 6, 2026Oct 6, 2026

• cldr

  Public
  The home of the Unicode Common Locale Data Repository

  unicodecldr

  unicodecldr

  Java

  •

  Other

  •443443 forks•1.2k1.2k stars•00 issues•257257 pull requests•Updated Oct 6, 2026Oct 6, 2026

• icu4x

  Public
  Solving i18n for client-side and resource-constrained environments.

  rustunicodeinternationalization+ 3

  rustunicodeinternationalizationlocalizationicucldr

  Rust

  •

  Other

  •295295 forks•1.9k1.9k stars•653653 issues•8989 pull requests•Updated Oct 5, 2026Oct 5, 2026

• unihan-database

  Public
  For review of draft Unihan database changes, removals, and additions by experts.

  Other

  •99 forks•8888 stars•22 issues•00 pull requests•Updated Oct 5, 2026Oct 5, 2026

• icu

  Public
  The home of the ICU project source code.

  i18njavac-plus-plus+ 6

  i18njavac-plus-plusunicodecppicuunicode-consortiumicu4jicu4c

  C++

  •

  Other

  •931931 forks•3.6k3.6k stars•00 issues•146146 pull requests•Updated Oct 4, 2026Oct 4, 2026

• cldr-staging

  Public
  Proposed production data for CLDR data

  HTML

  •

  Other

  •1616 forks•3535 stars•00 issues•44 pull requests•Updated Oct 4, 2026Oct 4, 2026

• icu-data

  Public
  ICU Data Repository

  Java

  •

  Other

  •2626 forks•5151 stars•00 issues•00 pull requests•Updated Sep 30, 2026Sep 30, 2026

• cldr-json

  Public
  JSON Data from the Unicode CLDR Project

  Shell

  •

  Other

  •9191 forks•715715 stars•11 issue•22 pull requests•Updated Sep 30, 2026Sep 30, 2026

• inflection

  Public
  Code, data and documentation related to generating grammatically correct messages in various languages

  i18ncc-plus-plus+ 10

  i18ncc-plus-plusunicodeinternationalizationicuinflectionnlggrammatical-frameworkicu4c+ 3

  C++

  •

  Other

  •1919 forks•3434 stars•2222 issues•22 pull requests•Updated Sep 28, 2026Sep 28, 2026

• icu-docs

  Public
  Docs (API, Userguide) for ICU

  icu

  icu

  HTML

  •

  Other

  •5151 forks•4141 stars•00 issues•00 pull requests•Updated Sep 25, 2026Sep 25, 2026

• cjk-radicals

  Public
  CJK Radicals (CJK Radicals Supplement & Kangxi Radicals)

  Shell

  •

  SIL Open Font License 1.1

  •00 forks•33 stars•00 issues•00 pull requests•Updated Sep 21, 2026Sep 21, 2026

• last-resort-font

  Public
  Last Resort Font

  unicodefontttf+ 1

  unicodefontttftruetype

  Python

  •

  SIL Open Font License 1.1

  •3434 forks•880880 stars•00 issues•00 pull requests•Updated Sep 16, 2026Sep 16, 2026

• icu4x-docs

  Public
  ICU4X Docs

  HTML

  •

  Other

  •1010 forks•44 stars•11 issue•44 pull requests•Updated Sep 13, 2026Sep 13, 2026

• conformance

  Public
  Unicode & CLDR Data Driven Testing

  testcldr

  testcldr

  Python

  •

  Other

  •1414 forks•66 stars•7373 issues•77 pull requests•Updated Sep 7, 2026Sep 7, 2026

• message-format-wg

  Public
  Developing a standard for localizable message strings

  JavaScript

  •

  Other

  •3737 forks•421421 stars•2323 issues•22 pull requests•Updated Aug 31, 2026Aug 31, 2026

• text-rendering-tests

  Public
  Unicode’s test suite for text rendering engines

  unicodefontsopentype+ 2

  unicodefontsopentypefreetypecoretext

  HTML

  •

  Other

  •3636 forks•188188 stars•1818 issues•00 pull requests•Updated Aug 24, 2026Aug 24, 2026

• icu-perf

  Public
  ICU performance test results. Maintained by ICU-TC

  JavaScript

  •

  Other

  •22 forks•44 stars•00 issues•00 pull requests•Updated Jun 29, 2026Jun 29, 2026

• icu-demos

  Public
  sample apps for ICU (formerly icuapps)

  i18nicuicu4j+ 1

  i18nicuicu4jicu4c

  Java

  •

  Other

  •2828 forks•2626 stars•22 issues•00 pull requests•Updated Jun 8, 2026Jun 8, 2026

• messageformat.dev

  Public
  CLDR MFv2 WG's guide and message format demo site.

  JavaScript

  •

  Other

  •99 forks•11 star•1010 issues•11 pull request•Updated May 9, 2026May 9, 2026

• cldr-apps-webdriver

  Public archive
  ARCHIVED see https://github.com/unicode-org/cldr/tree/main/tools/cldr-apps-webdriver

  Other

  •22 forks•22 stars•00 issues•00 pull requests•Updated Feb 14, 2026Feb 14, 2026

• lstm_word_segmentation

  Public
  Python code for training an LSTM model for word segmentation in Thai, Burmese, and similar languages.

  segmentation

  segmentation

  Python

  •

  Other

  •1414 forks•2626 stars•77 issues•44 pull requests•Updated Oct 23, 2025Oct 23, 2025

• uk-source-ideographs

  Public
  UK-Source Ideographs

  unicodecjkuk+ 5

  unicodecjkukideographscjk-charactersunihanunihan-databaseirg

  Other

  •55 forks•2020 stars•00 issues•00 pull requests•Updated Sep 9, 2025Sep 9, 2025

• gsoc-unicode-app

  Public
  A web and mobile app for Unicode contributed by Google Summer of Code

  Dart

  •

  Other

  •11 fork•22 stars•00 issues•22 pull requests•Updated Aug 30, 2025Aug 30, 2025

• test-corpora

  Public
  Corpora in many languages for testing, evaluating, benchmarking, and training Unicode algorithms

  HTML

  •

  Other

  •11 fork•66 stars•11 issue•00 pull requests•Updated Aug 20, 2025Aug 20, 2025

• ml-confusables-generator

  Public
  Generates confusables for Han script using ML techniques

  unicodeclusteringchinese-characters+ 1

  unicodeclusteringchinese-charactersconfusables

  Jupyter Notebook

  •

  Other

  •55 forks•1414 stars•11 issue•00 pull requests•Updated Jul 16, 2025Jul 16, 2025

• unicode-org.github.io

  Public
  top level index.html for https://unicode-org.github.io/

  HTML

  •

  Other

  •33 forks•88 stars•00 issues•00 pull requests•Updated May 21, 2025May 21, 2025

• jira-github-pr-check

  Public
  Checks GitHub pull requests for valid and accepted Jira tickets. Used for ICU and CLDR

  JavaScript

  •

  Other

  •1111 forks•1212 stars•3131 issues•1313 pull requests•Updated Apr 7, 2025Apr 7, 2025

• .github

  Public
  For the top level README

  Other

  •55 forks•77 stars•11 issue•00 pull requests•Updated Feb 13, 2025Feb 13, 2025

• cjk-symbols

  Public
  CJK Symbols

  unicodefontopentype+ 7

  unicodefontopentypecjkttftruetypeotfkangxi-radicalscjk-symbolscjk-compatibility

  Shell

  •

  SIL Open Font License 1.1

  •55 forks•5454 stars•00 issues•00 pull requests•Updated Sep 6, 2024Sep 6, 2024

• icu-docker

  Public
  Dockerfiles for ICU development

  Shell

  •

  Other

  •1111 forks•66 stars•44 issues•33 pull requests•Updated Sep 2, 2024Sep 2, 2024