Especially in Covid-19 pandemic a couple of tools have proven to support online collaboration. This is a non-complete nor comprehensive list, but please note the following proposals:
Confluence (for Documentaion and Collaboration)
JIRA (for Task-Management and Tracking)
General video-introduction to Confluence and Jira recorded in 2020
Mattermost (for direct-messaging communication, of course there are thousands of other tools existing, but this one is free and save)
Mural.com – Whiteboard Collaboration
Wonder.me – Side-Discussions / Collaboration in the same digital space working parallel toeach other
Spatial.chat - Even better tool for side-discussion, very restricted „free“ mode
Microsoft Teams - Integrated Solution for almost all teamwork-activities, cost-intensive
coogle.it - Mindmapping with special focus on collaboration
miro.com - Focus on Whiteboard Collaboration
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