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

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)

Immediate Mode Plotting

Extremely simple yet powerful header-only C++ plotting library built on the popular matplotlib

SimpleBLE - the all-in-one Bluetooth library for MacOS, iOS, Windows, Linux and Android.

High-Performance Hierarchical Finite State Machine Framework

C++ library for the esp32 NimBLE stack based on and mostly compatible with @nkolban cpp_utils BLE library.

The textbuf which drives fred

Expressive High-Performance Eager Functional Programming Library for C++ 11

Efficient solver for P2D model of Li-ion batteries based on OpenFOAM

Parser combinator library for C++ 11 based on EFP