A C++14-compatible physical units library with no dependencies and a single-file delivery option. Emphasis on safety, accessibility, performance, and developer experience.

A React-based UI toolkit for the web

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)

Official main repository for LFortran

Immediate Mode Plotting

Build production-ready applications in TypeScript

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

DWSIM is a Steady-State and Dynamic Sequential Modular Chemical Process Simulator for Windows, Linux and macOS.

Postmodern immutable and persistent data structures for C++ — value semantics at scale

Thermophysical properties for the masses

Five component Peng Robinson model for calculating Z-Factor, viscosity and thermal properties of hydrocarbon gas + H2, N2, CO2 and H2S

The quantities and units library for C++

Operate and manipulate physical quantities in Python

Parsing gigabytes of JSON per second : used by Facebook/Meta Velox, the Node.js runtime, ClickHouse, WatermelonDB, Apache Doris, Milvus, StarRocks

Pyodide is a Python distribution for the browser and Node.js based on WebAssembly

Qt/.NET enables the integration of Qt with .NET libraries and applications.

Abseil Common Libraries (C++)

C# pure functional programming framework - come and get declarative!

JSON for Modern C++

Basic electrical simulation software with easy UI

An LLVM/Clang/LLD based mingw-w64 toolchain

Installer and automatic update framework for cross-platform desktop applications

Immediate Mode 3D Plotting

Guidelines Support Library

Window and GUI system based on Dear ImGui from OCornut

Lightweight and fast library written in C# for reading Microsoft Excel files

std::optional extensions adopted for C++26

`std::execution`, the proposed C++ framework for asynchronous and parallel programming.

Fast C++ logging library.

A General-purpose Task-parallel Programming System using Modern C++