A modern, C++-native, test framework for unit-tests, TDD and BDD - using C++14, C++17 and later (C++11 support is in v2.x branch, and C++03 on the Catch1.x branch)

Antialiased 2D vector drawing library on top of OpenGL for UI and visualizations.

static analysis of C/C++ code

Dear ImGui: Bloat-free Graphical User interface for C++ with minimal dependencies

HarfBuzz text shaping engine

Making it easier to work with shaders

Declarative Rust UI library

A (currently incomplete) open-source Digital Audio Workstation

A 2D vector graphics library optimized for GUIs, written in Rust and wgpu

Cloud-native high-performance edge/middle/service proxy

Godot Engine – Multi-platform 2D and 3D game engine

Audio decoding libraries for C/C++, each in a single source file.

That's the right number of sines, I think.

C++ UI library meets creative coding

Truly independent web browser

An open source, turn-based strategy game with a high fantasy theme.

✨ Magical shell history

GUI library for madronalib apps and plugins

CMake build scripts for bgfx. Released under public domain.

Run compilers interactively from your web browser and interact with the assembly

A collection of header only classes, permissively licensed, to provide basic useful tasks with the bare-minimum of dependencies.

Wrappers for using CLAP in other plugin environments

Minimalistic MP3 decoder single header library

A command line tool and library for transferring data with URL syntax, supporting DICT, FILE, FTP, FTPS, GOPHER, GOPHERS, HTTP, HTTPS, IMAP, IMAPS, LDAP, LDAPS, MQTT, POP3, POP3S, RTMP, RTMPS, RTSP…

Simple DirectMedia Layer

Elementary is a JavaScript library for digital audio signal processing.

Spectral warping wavetable synth

Madronalib: a C++ framework for DSP applications.

RenderDoc is a stand-alone graphics debugging tool.

Micro-tuning format parsing and frequency finding as a header-only C+ library