Cairo

Paper.jspaperjs/paper.js

A vector graphics scripting framework for HTML5 Canvas and Node.js, offering a comprehensive API for creating and manipulating vector graphics.

HarfBuzzharfbuzz/harfbuzz

A robust, high-performance text shaping engine and font platform supporting OpenType and Apple Advanced Typography.

elementscycfi/elements

A lightweight, modular, and embeddable C++20 GUI library with a declarative DSEL interface for building resolution-independent interfaces.

Grampsgramps-project/gramps

An open-source genealogy program for hobbyists and professional genealogists to research, organize, and visualize family history.

pffffacebookarchive/pfff

A set of tools and APIs for static analysis, code visualization, navigation, and style-preserving source transformations across multiple languages.

gtk4-rsgtk-rs/gtk4-rs

Complete Rust bindings for GTK 4, enabling native GUI application development with Rust.

Gaphorgaphor/gaphor

A free and open-source UML and SysML modeling application written in Python, designed for simplicity and power.

gotk3gotk3/gotk3

Go bindings for GTK3, GDK3, GLib, and Cairo enabling native desktop GUI applications in Go.

QuickCharttyppo/quickchart

A web API that generates chart images and QR codes from URL parameters for easy embedding in emails, SMS, and chat.

fltk-rsfltk-rs/fltk-rs

Rust bindings for the FLTK GUI library, enabling cross-platform, lightweight, and fast desktop applications.

GTKgnome/gtk

A multi-platform toolkit for creating graphical user interfaces with a complete set of widgets.