ClickHouse® is a real-time analytics database management system
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A C++ header-only HTTP/HTTPS server and client library
🍃 Organic Maps is a free Android & iOS offline maps app for more than 6M travelers, tourists, hikers, and cyclists. It uses crowd-sourced OpenStreetMap data and is developed with love by the community. No ads, no tracking, no data collection, no crapware. Please donate to support the development!
Speech-to-text, text-to-speech, speaker diarization, speech enhancement, source separation, and VAD using next-gen Kaldi with onnxruntime without Internet connection. Support embedded systems, Android, iOS, HarmonyOS, Raspberry Pi, RISC-V, RK NPU, Axera NPU, Ascend NPU, x86_64 servers, websocket server/client, support 12 programming languages
🚀 A lightweight, framework-agnostic database migration tool.
😎🏖️🐬 Your new, 𝙧𝙞𝙙𝙤𝙣𝙠𝙪𝙡𝙞𝙘𝙞𝙤𝙪𝙨𝙡𝙮 smart clipboard manager
The fastest unified streaming SQL Engine in a single C++ binary. ⚡ Millisecond latency. 100+ GB/s throughput. Continuously compute stateful context from streams, logs, metrics, events, and CDC.
Eclipse iceoryx™ - true zero-copy inter-process-communication
Compile and execute C "scripts" in one go!
WHATWG-compliant and fast URL parser written in modern C++, part of Internet Archive, Node.js, Clickhouse, Redpanda, Kong, Telegram, Adguard, Datadog and Cloudflare Workers.
rpclib is a modern C++ msgpack-RPC server and client library
A header-only C++ argument parser library. Supposed to be flexible and powerful, and attempts to be compatible with the functionality of the Python standard argparse library (though not necessarily the API).
C++ Discord API Bot Library - D++ is Lightweight and scalable for small and huge bots!
easy to use, powerful & expressive command line argument parsing for modern C++ / single header / usage & doc generation
Free open-source modern C++20/23 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.
C++ framework for json-rpc (json remote procedure call)
⚔️ A cross-platform, open source, and super fast MUD client with scripting in Lua
Win顺：免费开源的 Windows 快速搜索启动器。双击 Ctrl，拼音秒搜文件、全文搜索 Word/Excel/PDF、剪贴板历史（代替 Win+V）、对话框搜索、任务栏搜索、插件、AI 助手 MCP。Free Windows search launcher: pinyin file search, full-text search, clipboard history, MCP server. Everything/Listary alternative.
A simple to use, composable, command line parser for C++ 11 and beyond
Gzip Decompression and Random Access for Modern Multi-Core Machines
C++ client library for ClickHouse
The CLI for working with JSON Schema. Covers formatting, linting, testing, bundling, and more for both local development and CI/CD pipelines
A cross-platform HTTP client library with a focus on usability and speed
Native Windows PC port of God of War (PS2), built by statically recompiling MIPS R5900 code to C++ with PS2Recomp. Includes an installer launcher, one-click build, fan-translation support and a 60 fps target. No game files included: you need your own copy.