Default to Open: Migration plan for the OpenScienceMOOC

This document will serve to help us planning the migration to a more open workflow.

See issue related to that topic

Please insert your alternative by respecting the alphabetical order in the "Alternative To" column

Some applications like Twitter and Facebook could also be use in parallel of an open source alternative. That way, We give an option to people who wants to only use FOSS but we still have a way to communicate with the rest of the world. We could also consider to promote alternative on our proprietary platform account ;).

List of Alternatives

Application name	Alternative To	License [1]	Website
Diaspora	Facebook	AGPL-3.0-or-later	https://diasporafoundation.org/
GitLab	GitHub		https://gitlab.com/
Collabora Online	Google Docs
OnlyOffice	Google Docs
NextCloud	Google Drive
Gitter	Slack		https://gitter.im
Mattermost	Slack
Riot.im	Slack		https://riot.im
Mailman	Tiny Letter
Sympa	Tiny Letter	GPL-2.0-or-later	https://www.sympa.org/
Mastodon	Twitter		https://mastodon.social [2]

Open Source vs. Alternative

Notes

1: https://spdx.org/licenses/ - Use SPDX license codes instead of license names

2: This is the official instance but you could use an other one if you like. Mastodon is a decentralized platform. That mean every instance can communicate with each other but aren't necessarily managed by the same person.