https://github.com/unicode-org/icu

The home of the ICU project source code.
https://github.com/unicode-org/icu

c-plus-plus cpp i18n icu icu4c icu4j java unicode unicode-consortium

Last synced: 9 days ago
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The home of the ICU project source code.

• Host: GitHub
• URL: https://github.com/unicode-org/icu
• Owner: unicode-org
• License: other
• Created: 2016-01-08T02:42:32.000Z (over 9 years ago)
• Default Branch: main
• Last Pushed: 2025-03-29T00:05:24.000Z (19 days ago)
• Last Synced: 2025-03-31T18:10:06.041Z (16 days ago)
• Topics: c-plus-plus, cpp, i18n, icu, icu4c, icu4j, java, unicode, unicode-consortium
• Language: C++
• Homepage: https://icu.unicode.org/
• Size: 2.98 GB
• Stars: 3,011
• Watchers: 102
• Forks: 778
• Open Issues: 80
• Metadata Files:
  • Readme: README.md
  • Contributing: CONTRIBUTING.md
  • License: LICENSE
  • Security: SECURITY.md

Awesome Lists containing this project

• awesome-practical-cpp - unicode-org/icu - A set of C/C++ libraries providing Unicode and Globalization support.   (Internationalization)
• awesome-practical-cpp - unicode-org/icu - A set of C/C++ libraries providing Unicode and Globalization support.   (Internationalization)

README

        
#  International Components for Unicode

This is the repository for the [International Components for Unicode](https://icu.unicode.org/).

The ICU project is under the stewardship of [The Unicode Consortium](https://www.unicode.org).

- Source: https://github.com/unicode-org/icu

- Bugs: https://unicode-org.atlassian.net/projects/ICU

- API Docs: https://unicode-org.github.io/icu-docs/

- User Guide: https://unicode-org.github.io/icu/

![ICU Logo](./tools/images/iculogo_64.png)

### Build Status (`main` branch)

Build | Status

------|-------

GitHub Actions (ICU4C) | [![GHA ICU4C](https://github.com/unicode-org/icu/workflows/GHA%20ICU4C/badge.svg)](https://github.com/unicode-org/icu/actions?query=workflow%3A%22GHA+ICU4C%22+branch%3Amain)

GitHub Actions (ICU4J) | [![GHA ICU4J](https://github.com/unicode-org/icu/workflows/GHA%20ICU4J/badge.svg)](https://github.com/unicode-org/icu/actions?query=workflow%3A%22GHA+ICU4J%22+branch%3Amain)

GitHub Actions (Valgrind) | [![GHA CI Valgrind](https://github.com/unicode-org/icu/workflows/GHA%20CI%20Valgrind/badge.svg)](https://github.com/unicode-org/icu/actions/workflows/icu_valgrind.yml?query=workflow%3A%22GHA+CI%22+branch%3Amain)

Exhaustive Tests | [![Exhaustive Tests for ICU](https://github.com/unicode-org/icu/actions/workflows/icu_exhaustive_tests.yml/badge.svg?branch=main)](https://github.com/unicode-org/icu/actions/workflows/icu_exhaustive_tests.yml?query=branch%3Amain)

Fuzzing | [![Fuzzing Status](https://oss-fuzz-build-logs.storage.googleapis.com/badges/icu.svg)](https://bugs.chromium.org/p/oss-fuzz/issues/list?sort=-opened&can=1&q=proj:icu)

OpenSSF Scorecard | [![OpenSSF Scorecard](https://api.securityscorecards.dev/projects/github.com/unicode-org/icu/badge)](https://securityscorecards.dev/viewer/?uri=github.com/unicode-org/icu)

### Subdirectories and Information

- [`icu4c/`](./icu4c/) [ICU for C/C++](./icu4c/readme.html)

- [`icu4j/`](./icu4j/) [ICU for Java](./icu4j/readme.html)

- [`tools/`](./tools/) Tools

- [`vendor/`](./vendor/) Vendor dependencies

### Copyright & Licenses

Copyright © 2016-2024 Unicode, Inc. Unicode and the Unicode Logo are registered trademarks of Unicode, Inc. in the United States and other countries.

A CLA is required to contribute to this project - please refer to the [CONTRIBUTING.md](./CONTRIBUTING.md) file (or start a Pull Request) for more information.

The contents of this repository are governed by the Unicode [Terms of Use](https://www.unicode.org/copyright.html) and are released under [LICENSE](./LICENSE).