Top 10 C Unicode Projects

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1. StringZilla

   1 28 3,554 9.8 C

   Up to 100x faster strings for C, C++, CUDA, Python, Rust, Swift, JS, & Go, leveraging NEON, AVX2, AVX-512, SVE, GPGPU, & SWAR to accelerate search, hashing, sorting, edit distances, sketches, and memory ops 🦖

   

   Project mention: Don't stop early: Case-folding source code at memory speed | news.ycombinator.com | 2026-08-04

   Interesting, how does it compare with StringZilla? It has highly optimized case-fold and case-insensitive Unicode search kernels as well: https://github.com/ashvardanian/Stringzilla

2. Kargo

   akuity.io sponsored

   Stop Scripting Promotions. Start Shipping with Kargo. Kargo automates promotion across dev, staging, and prod with approval gates and verification. Open source, built by the team behind Argo CD. Download now.

   

3. doom-ascii

   2 13 862 7.0 C

   DooM in the terminal!

   

   Project mention: Destino: Doom in Your Terminal with Node.js | news.ycombinator.com | 2026-05-24

   So doom-ascii is sourcedoom, you Made a nodexwrapper https://github.com/wojciech-graj/doom-ascii

4. Tehreer-Android

   3 0 92 7.4 C

   Standalone text engine for Android aimed to be free from platform limitations

   

5. unicorn

   4 5 87 7.6 C

   Unicode® algorithms on a chip. Compliant with MISRA C:2012. (by railgunlabs)

   

   Project mention: Show HN: I wrote an embeddable Unicode algorithms library in C | news.ycombinator.com | 2026-01-11

6. libtexprintf

   5 1 83 8.2 C

   Library providing printf-style formatted output routines with tex-like syntax support.

   

7. vastringify

   6 1 72 3.2 C

   Type-safe Printf in C

   

8. ocreval

   7 1 60 0.0 C

   Update of the ISRI Analytic Tools for OCR Evaluation with UTF-8 support

   

9. AppSignal

   www.appsignal.com sponsored

   AppSignal knows why the f*#k it crashed. Stop vibe-debugging. Every exception, every backtrace, grouped so you see patterns, not noise.

   

10. icu_ext

    8 1 34 4.3 C

    PostgreSQL extension (in C) to expose functionality from the ICU library

    

11. nuru

    9 1 18 0.0 C

    Binary file format for ASCII/ANSI art. (by domsson)

    

12. STB-Style-Single-File-C-CPP-JSON-Parser-Generator-Header-Only-Library-With-Full-RFC-Compliance

    10 1 6 3.1 C

    Lightweight single-header JSON parser/generator for C/C++ in STB tradition. Implements RFC 8259 (JSON), RFC 6901 (JSON Pointer), RFC 6902 (JSON Patch), and RFC 7386 (Merge Patch). Zero dependencies, thread-safe, UTF-8 validation, file I/O, minification, and custom allocators. Ideal for embedded systems and cross-platform projects.

    

C Unicode related posts

• Show HN: I wrote an embeddable Unicode algorithms library in C

  1 project | news.ycombinator.com | 11 Jan 2026

• How SQLite Is Tested

  2 projects | news.ycombinator.com | 17 Dec 2025

• The C23 edition of Modern C is now available for free

  5 projects | news.ycombinator.com | 15 Oct 2024

• Latest intl and icu versions cause "breaking change" with Canadian currency display

  2 projects | /r/PHPhelp | 30 Dec 2022

• Where to start on a specific project, new to coding.

  1 project | /r/learnprogramming | 3 Apr 2021

• ideas for a course project?

  1 project | /r/C_Programming | 21 Dec 2020
• A note from our sponsor - SaaSHub
  www.saashub.com | 11 Sep 2026

  SaaSHub helps you find the best software and product alternatives Learn more →

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