9 Tools You can use when working from home during the Global Lockdown of #Covid19
Jitsi video conferencing (Open Source, Self Hosting possible)
https://jitsi.org/jitsi-meet/
OpenBoard for presentation and whiteboard with record function
https://openboard.ch/index.en.html
Microsoft Teams for Linux
https://techcommunity.microsoft.com/t5/microsoft-teams-blog/microsoft-teams-is-now-available-on-linux/ba-p/1056267
Joplin personal notes to-do , can sync around with dropbox , nextcloud, etc.
https://joplinapp.org/
Riot team chat (Open Source, Self Hosting possible or use modular.im for hosted riot.im instance) built on the matrix protocol
https://github.com/matrix-org/synapse
Organise rooms around whatever team, community purpose you like! Chat, share files, add widgets, and make video/voice calls and conferences
Etherpad shared documents (Open Source, Self Hosting Possible)
https://etherpad.org/#links
https://etherpad.org/
Ethercalc shared spreadsheets (web sporeadsheet)
https://ethercalc.net/
Nextcloud shared storage and calendar
https://nextcloud.com/
Linux or BSD - Try something new
https://www.freebsd.org/
https://getfedora.org/