ClickHouse® is a real-time analytics database management system

A library that provides an embeddable, persistent key-value store for fast storage.

An open-source C++ library developed and used at Facebook.

Telegram Desktop messaging app

SRS is a simple, high-efficiency, real-time media server supporting RTMP, WebRTC, HLS, HTTP-FLV, HTTP-TS, SRT, MPEG-DASH, and GB28181.

Open Source alternative to Algolia + Pinecone and an Easier-to-Use alternative to ElasticSearch ⚡ 🔍 ✨ Fast, typo tolerant, in-memory fuzzy Search Engine for building delightful search experiences

Tiny cross-platform webview library for C/C++. Uses WebKit (GTK/Cocoa) and Edge WebView2 (Windows).

Cap'n Proto serialization/RPC system - core tools and C++ library

超轻量级中文ocr，支持竖排文字识别, 支持ncnn、mnn、tnn推理 ( dbnet(1.8M) + crnn(2.5M) + anglenet(378KB)) 总模型仅4.7M

Easy to use open source fast database for search | Good alternative to Elasticsearch now | Drop-in replacement for E in the ELK stack

The Fastest Distributed Database for Transactional, Analytical, and AI Workloads. Welcome to our community: https://discord.gg/74cF8vbNEs

SSDB - A fast NoSQL database, an alternative to Redis

qTox is a chat, voice, video, and file transfer IM client using the encrypted peer-to-peer Tox protocol.

Anonymous peer-to-peer instant messaging

Library to build PHP extensions with C++

Kids Is Data Stream

Cross-Platform Mobile APP Development Engine

Spectrum 2 IM transports

A JSON module for Lua based on the very fast RapidJSON library.