What's the difference between "open source" and "source-available" here?

Open source means an OSI-approved license — MIT, Apache 2.0, GPL, and similar — so you can run, modify, and redistribute it freely. Source-available means the code is visible but under a license, like BSL or a custom "fair source" license, that restricts commercial use or redistribution. We label each listing with which one it actually is, since the distinction has real licensing consequences.

Is "open source" the same as "free"?

Not necessarily. The license is free to use in the sense that you can self-host at no licensing cost, but most projects here also sell a hosted or managed version, and self-hosting has its own real cost in infrastructure and maintenance time. Check each listing for what's actually free versus what's the paid tier.

How do you judge whether a project is actively maintained versus abandoned?

Recent commit activity, release cadence, and issue response time — not star count. A project with a large star count from years ago can be effectively dead, while a smaller, newer one might be actively maintained. Verify directly on the project's repository before depending on it.

Open Source Marketplace

Compare Open Source products across curated subcategories and trusted providers

12,881 products · 19 subcategoriesOpen Source resources

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youxiang-Itchat

by Snow Wang

无视微信Web无法登录问题。获取淘宝优惠券、京东优惠券、拼多多（多多客）优惠券、苏宁易购优惠券、唯品会优惠券，通过接入淘宝联盟、京东联盟、拼多多（多多进宝）、苏宁联盟（苏宁推客）、唯品会及其对应的开放平台，获取优惠商品图片和对应商品信息，利用微信机器人推送到指定群聊。

Web ScrapingOpen Source Developer ToolsOpen Source

ytb2bili

by difyz9

A fully functional automated video processing system that supports downloading videos from platforms such as YouTube, automatically generating subtitles, translating content, creating metadata, and scheduling uploads to Bilibili.

Meeting ManagementVideo ConferencingOpen Source

z80ai

by HaRoLd

Z80-μLM is a 2-bit quantized language model small enough to run on an 8-bit Z80 processor. Train conversational models in Python, export them as CP/M .COM binaries, and chat with your vintage computer.

Chatbot PlatformLLM Chat UIs & FrontendsOpen Source