Build cross-platform desktop apps with JavaScript, HTML, and CSS

Protocol Buffers - Google's data interchange format

The Swift Programming Language

🔍 A Hex Editor for Reverse Engineers, Programmers and people who value their retinas when working at 3 AM.

Powerful yet simple to use screenshot software 🖥️ 📸

Emscripten: An LLVM-to-WebAssembly Compiler

FlatBuffers: Memory Efficient Serialization Library

Seamless operability between C++11 and Python

World's largest Contributor driven code dataset | Used in Quark Search Engine, @OpenGenus IQ, OpenGenus Visual Project

Tiny cross-platform webview library for C/C++. Uses WebKit (GTK/Cocoa) and Edge WebView2 (Windows).

Perceptual JPEG encoder

Skia is a complete 2D graphic library for drawing Text, Geometries, and Images.

RE2 is a fast, safe, thread-friendly alternative to backtracking regular expression engines like those used in PCRE, Perl, and Python. It is a C++ library.

Main gperftools repository

HarfBuzz text shaping engine

Free Lossless Image Format

Zopfli Compression Algorithm is a compression library programmed in C to perform very good, but slow, deflate or zlib compression.

butteraugli estimates the psychovisual difference between two images

GLyphy is a signed-distance-field (SDF) text renderer using OpenGL ES2 shading language.

C++ regular expressions made easy

Demo app that displays fonts with a free/libre/open-source text rendering stack: FreeType, HarfBuzz and Raqm

Sanitizer for OpenType

tool for finding visual differences between two font versions

The PyICU project repository has moved to https://pyicu.org.

Perceptual JPEG encoder, optimized with CUDA&OpenCL, full JPEG format support.

Tool to optimize TrueType font splines

Microsoft Visual TrueType(VTT) command line compile tool and Python interface.

Official Scribus collaboration area for Complex Text Layout (RTL, CJK, Indic, OpenType, Math, CSS, ...)