Build cross-platform desktop apps with JavaScript, HTML, and CSS

Protocol Buffers - Google's data interchange format

JSON for Modern C++

The C based gRPC (C++, Python, Ruby, Objective-C, PHP, C#)

LevelDB is a fast key-value storage library written at Google that provides an ordered mapping from string keys to string values.

ClickHouse® is a real-time analytics DBMS

GoogleTest - Google Testing and Mocking Framework

The open-source database for the realtime web.

Fast C++ logging library.

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)

Yoga is an embeddable layout engine targeting web standards.

FoundationDB - the open source, distributed, transactional key-value store

NoSQL data store using the seastar framework, compatible with Apache Cassandra

🌱Light and powerful C++ web framework for highly scalable and resource-efficient web application. It's zero-dependency and easy-portable.

Crow is very fast and easy to use C++ micro web framework (inspired by Python Flask)

The fastest feature-rich C++11/14/17/20/23 single-header testing framework

HTTP and WebSocket built on Boost.Asio in C++11

A library for creating native cross-platform GUI apps

A high-performance REST toolkit written in C++

RmlUi - The HTML/CSS User Interface library evolved

The C++ Standard Library for Parallelism and Concurrency

A ECMAScript 2023 compliant JavaScript implementation built on GraalVM. With polyglot language interoperability support. Running Node.js applications!

Firebird server, client and tools

Bind C++ functions and classes into V8 JavaScript engine

Modern C++ Scheduling Library

Human-friendly unit testing for C++11

Javascript like setTimeout and setInterval for c++ developers

Simple C++ Web Framework