A free C, C++ and Fortran IDE
Infrared remote library for Arduino, send and receive infrared signals
A standalone, large scale, open project for 2D/3D image processing
C-based Application Programming Interface (API)
Open source PDF editor
A microbenchmark support library
Formatting library as an alternative to C stdio and C++ iostreams
Open-source, cross platform Qt based IDE for reverse-engineering
Memory Efficient Serialization Library
The FastLED library for colored LED animation on Arduino
Functional Programming Library for C++
Math library using HLSL syntax with multiplatform SIMD support
Toolkit for making machine learning and data analysis applications
Cross-Platform C++ GUI Library
CasADi is a symbolic framework for numeric optimization
The libgphoto2 camera access and control library
Alternative to backtracking regular expression engines
A C++ header-only HTTP/HTTPS server and client library
A modern library for 3D data processing
A lightweight game server framework implemented with Actor Model
Cross-platform SDK for creating and modifying PDF documents
An open-source C++ library developed and used at Facebook
Community-developed library for professional-quality creative coding
A Moonscript dialect compiles to Lua
A single file C++ header-only PEG (Parsing Expression Grammars)