# Implementations

Links to implementation descriptions related in a way to RTC. Those solutions are not usable as library. For such library usage, please go to the [algorithms](algorithms.md) page.

**Cocalc**

- [Cocalc](https://cocalc.com)
- [Collaborative Editing in CoCalc: OT, CRDT, or something else?](https://blog.cocalc.com/2018/10/11/collaborative-editing.html)

**Visual Studio Code**

- [Microsoft Live Share](https://visualstudio.microsoft.com/services/live-share) is closed-source (see the [docs](https://github.com/microsoftdocs/live-share)).

**HackMD**

- <https://github.com/hackmdio/codimd>
- <https://github.com/hackmdio/codimd/issues/3>
- <https://github.com/hackmdio/codimd/tree/develop/lib/ot>
- <https://github.com/hackmdio/codimd/issues/251>
- <https://github.com/hackmdio/diff-match-patch>

**Google / Apache Wave**

- <https://www.youtube.com/watch?v=uOFzWZrsPV0>
- <https://www.youtube.com/watch?v=3ykZYKCK7AM>
- <https://en.wikipedia.org/wiki/Apache_Wave>
- <https://en.wikipedia.org/wiki/Google_Wave_Federation_Protocol>

**Google Drive**

- <https://drive.googleblog.com/2010/09/whats-different-about-new-google-docs_22.html>

**System Design (Google, Dropbox)**

- <https://www.youtube.com/watch?v=2auwirNBvGg>
- <https://www.youtube.com/watch?v=U2lVmSlDJhg>
- <https://www.youtube.com/watch?v=U0xTu6E2CT8>

**Crate**

- <https://github.com/chat-wane/crate>

**Conclave**

- <https://conclave-team.github.io/conclave-site>
- <https://github.com/conclave-team/conclave>

**Convergence Labs**

- <https://convergence.io>
- <https://github.com/convergencelabs>
- <https://github.com/convergencelabs/monaco-collab-ext>
- <https://github.com/convergencelabs/convergence-client-javascript>
- <https://examples.convergence.io/examples/froala/?id=5e9c16f7-7f67-4732-b5d1-87e495c30c39>
- [Shared Cursor](https://examples.convergence.io/examples/froala/?id=9b9d01d1-3767-4326-9dc9-057db3582a5e) in Convergence Labs ([vide](https://www.youtube.com/watch?v=42KDvoFqzsI))

**Editors**

- <https://www.pierrehedkvist.com/posts/4-open-source-collaborative-editors>

**Firepad Editor**

- <https://github.com/FirebaseExtended/firepad>

**Etherpad Editor**

- <https://en.wikipedia.org/wiki/Etherpad>
- <https://etherpad.org>
- <https://github.com/ether/etherpad-lite>

**TinyMCE Editor**

- <https://www.tiny.cloud/blog/real-time-collaborative-editing-slate-js>
- <https://www.tiny.cloud/blog/real-time-collaboration-ot-vs-crdt>
- <https://www.tiny.cloud/blog/simple-and-intuitive-track-changes-for-any-content-workflow>
- <https://www.tiny.cloud/blog/introducing-real-time-coediting-tinymce-codox>

**Video Chat**

- <https://jitsi.org>
- <https://whereby.com>

**Others**

- <https://mattermost.com>
- <https://www.matrix.org>
- <https://blog.bittorrent.com/tag/maelstrom>
- <https://github.com/upspin/upspin>
- <https://resgate.io>
- <https://blockstack.org>