开源版 CoScreen 替代方案上线
推荐指数 57.0 NO. 021 · 2026.10.15
发布2026/10/14Score72Comments10
为什么值得看
Petal 是一款低延迟屏幕共享工具，共享窗口以原生窗口形式出现在本地桌面，支持多用户同时共享、实时远程控制，且可自建 LiveKit 后端。对需要高频远程协作的分布式团队，这是摆脱 Zoom/Teams 网格视图、回归"坐旁边一起看屏"体验的可控方案。
编辑判断
ScreenHero 被 Slack 收购后消失、CoScreen 被 Datadog 收购后闭源，这个赛道一直缺一个真正开源且体验不打折的替代。Petal 的关键设计是把共享窗口变成本地原生窗口而非视频流，这让它在双屏/ ultrawide 场景下的可用性远超 Tuple 或 VS Code Live Share 的屏幕共享模式。
自建 LiveKit 后端的选项是核心差异化：对金融、医疗等数据合规要求高的团队，这意味着协作数据不出内网。当前 72 分 HN 热度偏低，可能是被标题里的"finally free"误导成了免费 SaaS 而非开源基础设施——实际价值在可 fork 可改。做远程结对编程或设计评审工具的团队，可以直接拿它当 UI 层集成进自己的产品。
社区反馈
正面 11 条评论
核心争论：开源替代能否填补 CoScreen 倒下后的远程协作空白
Till here, another co-founder of CoScreen. Like Jason wrote, our launches on HN and the feedback by many of you in 2019 were really important all the way back to the earliest days of our small and fancy tool. We did a lot of things since we're proud of but a few plans remained unfulfilled, like supp
Thank you for your work, looking forward to the Linux version!
Fingers crossed this time. Leave an issue on the repo if you have any specific wishes/distros to support or also want to contribute. Most of Petal is OS agnostic so it would be at least easier than ever to make it happen