Free open-source modern C++20 framework to create console (CLI), forms (GUI like WinForms) and unit test (xUnit) applications and libraries on Windows, macOS, Linux, iOS, Android, FreeBSD, Haiku, and SerenityOS.
GitHub repository with 1,152 stars and 79 forks.
Language: C++
Topics: c-plus-plus, gui-framework, gui, console, unittest, desktop, portable, cross-platform, cmake, cli
Trending score 0.05, activity score 0.05, stars gained +0, forks gained +0.
2026-06-05: 1,152 stars and 79 forks.
:electron: Build cross-platform desktop apps with JavaScript, HTML, and CSS
GitHub repository with 121,541 stars and 17,235 forks.
Trending score: 3.02; stars gained: +16; forks gained: +2.
Language: C++
Topics: c-plus-plus, chrome, css, electron, html, javascript
NoSQL data store using the Seastar framework, compatible with Apache Cassandra and Amazon DynamoDB
GitHub repository with 15,580 stars and 1,496 forks.
Trending score: 2.35; stars gained: +9; forks gained: +0.
Language: C++
Topics: nosql, c-plus-plus, scylla, seastar, cassandra, database
Defold is a completely free to use game engine for development of desktop, mobile and web games.
GitHub repository with 6,077 stars and 432 forks.
Trending score: 2.22; stars gained: +9; forks gained: +1.
Language: C++
Topics: defold, game-engine, c-plus-plus, clojure, game-development, multi-platform
Nix, the purely functional package manager
GitHub repository with 17,019 stars and 1,935 forks.
Trending score: 2.09; stars gained: +12; forks gained: +2.
Language: C++
Topics: nix, functional-programming, c-plus-plus, package-manager, declarative-language
Open Source Computer Vision Library
GitHub repository with 87,783 stars and 56,574 forks.
Trending score: 1.79; stars gained: +46; forks gained: +0.
Language: C++
Topics: c-plus-plus, computer-vision, deep-learning, image-processing, opencv
Open Source Routing Machine - C++ backend
GitHub repository with 7,774 stars and 3,939 forks.
Trending score: 1.71; stars gained: +6; forks gained: -2.
Language: C++
Topics: osrm, cpp, c-plus-plus, routing, routing-engine, map-matching
LLM inference in C/C++
GitHub repository with 114,702 stars and 19,193 forks.
Trending score: 4.40; stars gained: +304; forks gained: +99.
Language: C++
Topics: ggml
DuckDB is an analytical in-process SQL database management system
GitHub repository with 38,618 stars and 3,299 forks.
Trending score: 3.50; stars gained: +40; forks gained: +6.
Language: C++
Topics: analytics, database, embedded-database, olap, sql
Community maintained hardware plugin for vLLM on Ascend
GitHub repository with 2,198 stars and 1,347 forks.
Trending score: 3.25; stars gained: +16; forks gained: +22.
Language: C++
Topics: ascend, inference, llm, llm-serving, llmops, mlops
:electron: Build cross-platform desktop apps with JavaScript, HTML, and CSS
GitHub repository with 121,541 stars and 17,235 forks.
Trending score: 3.02; stars gained: +16; forks gained: +2.
Language: C++
Topics: c-plus-plus, chrome, css, electron, html, javascript
ClickHouse® is a real-time analytics database management system
GitHub repository with 47,826 stars and 8,467 forks.
Trending score: 2.96; stars gained: +53; forks gained: +10.
Language: C++
Topics: ai, analytics, big-data, clickhouse, cloud-native, cpp
Truly independent web browser
GitHub repository with 63,755 stars and 3,075 forks.
Trending score: 2.89; stars gained: +52; forks gained: +5.
Language: C++
Topics: browser, browser-engine
:electron: Build cross-platform desktop apps with JavaScript, HTML, and CSS
GitHub repository with 121,541 stars and 17,235 forks.
Trending score: 3.02; stars gained: +16; forks gained: +2.
Language: C++
Topics: c-plus-plus, chrome, css, electron, html, javascript
NoSQL data store using the Seastar framework, compatible with Apache Cassandra and Amazon DynamoDB
GitHub repository with 15,580 stars and 1,496 forks.
Trending score: 2.35; stars gained: +9; forks gained: +0.
Language: C++
Topics: nosql, c-plus-plus, scylla, seastar, cassandra, database
Defold is a completely free to use game engine for development of desktop, mobile and web games.
GitHub repository with 6,077 stars and 432 forks.
Trending score: 2.22; stars gained: +9; forks gained: +1.
Language: C++
Topics: defold, game-engine, c-plus-plus, clojure, game-development, multi-platform
Nix, the purely functional package manager
GitHub repository with 17,019 stars and 1,935 forks.
Trending score: 2.09; stars gained: +12; forks gained: +2.
Language: C++
Topics: nix, functional-programming, c-plus-plus, package-manager, declarative-language
Open Source Computer Vision Library
GitHub repository with 87,783 stars and 56,574 forks.
Trending score: 1.79; stars gained: +46; forks gained: +0.
Language: C++
Topics: c-plus-plus, computer-vision, deep-learning, image-processing, opencv
Open Source Routing Machine - C++ backend
GitHub repository with 7,774 stars and 3,939 forks.
Trending score: 1.71; stars gained: +6; forks gained: -2.
Language: C++
Topics: osrm, cpp, c-plus-plus, routing, routing-engine, map-matching