slack

jitsi.org

开源，可独立部署

An audio/video SIP VoIP phone and instant messenger written in Java (formerly SIP-Communicator)

https://jitsi.org/Main/Features

✔ 100% open source ✔ Encrypted by default ✔ HD audio with Opus ✔ No account needed ✔ Presentations and desktop sharing ✔ Integrated chat ✔ Invite by pretty URLs https://MySite.com/OurConf

appear.in

在线视频聊天室

Start talking in seconds

It has never been easier to start talking over video to your friends, family or coworkers.

With appear.in you can:

send messages and links in text chat while seeing each other on video
claim your own personal video room
set a custom background image of the room
lock the room for private conversations
share your screen

No installation required

You only need one of the supported browsers listed to the right.

appear.in is built with a new web standard called WebRTC. For you this means no plugins or installation. . Currently WebRTC is only supported in the browsers . listed on desktop and devices with newer version of Android.

#talky.io 在线视频聊天室