Open Source Projects in C++

QGIS

A full-featured desktop GIS for viewing, editing, analysing and publishing geospatial data on Windows, macOS and Linux.

ArangoDB

Multi-model database

Darktable

Open-source photography workflow and RAW developer

Manticoresearch

Lightning-fast search database engineered for performance

FileCentipede

Universal file upload/download manager

LMMS

Cross-platform digital audio workstation

OpenSCAD

Code your way to perfect CAD models - Parametric 3D design for programmers who hate clicking

Uno Platform

Build native apps for Mobile, Desktop, and WebAssembly with C# and XAML.

Next-generation video editing with professional ambitions and zero licensing costs

OpenToonz

The professional 2D animation studio software used to make Studio Ghibli films

ClamAV

Open-source antivirus engine

Mixxx

Professional DJ software for live performances

Flax Engine

Multi-platform game engine

Sandstorm

An open source platform for personal cloud hosting.

Collaborative office suite that plays perfectly with Microsoft formats

Natron

Node-based compositor for visual effects

Fritzing

Electronics design automation software

LineageOS

Extend device lifespan with customizable Android

Memgraph

Real-time graph analytics without complexity

LibreOffice

Complete office productivity suite without restrictions

SolveSpace

Parametric 2D/3D CAD tool.

Collabora Online

LibreOffice-based online office suite

LibrePCB

Electronic design automation without complexity

Images.weserv.nl

Manipulate images on-the-fly with a global cache.