A community driven list of open source alternatives to proprietary software and applications.

Add spreadsheet-like behavior to your React app

Univer is an isomorphic full-stack framework for creating and editing spreadsheets, docs, and slides across client and server.

High performance self-hosted photo and video management solution.

Platform to build admin panels, internal tools, and dashboards. Integrates with 25+ databases and any API.

Collection of handy online tools for developers, with great UX.

Web-based molecule sketcher

A compact and highly efficient workflow and Business Process Management (BPM) platform for developers, system admins and business users.

程序猿的婚礼邀请函。

我终于能用谷歌搜中文了……

ShowDoc is a tool greatly applicable for an IT team to share documents online一个非常适合IT团队的在线API文档、技术文档工具

A fast, scalable, distributed game server engine/framework for C++, include the actor library, network library, can be used as a real time multiplayer game engine ( MMO RPG/MOBA ), which support C#…

Algorithms & Data structures in C++.

A Quantum-Safe Secure Tunnel based on QPP, KCP, FEC, and N:M multiplexing.