- Collaborative documents
Free, open source tool, GDPR-compliant but requiring login via TUM (SSO) or self-hosted instance. This project is a fork of a fork: HackMD released 2015, from which CodiMD forked 2017, from which HedgeDoc forked 2018.
- GDPR
- open source
- sufficiently free
- TUM
- Collaborative documents
- Maths
Edit LaTeX together online. For bibliographies, you must either pay or export them first to BibTeX format.
Open source tool, hosted for TUM users at https://sharelatex.tum.de — otherwise use self-hosted (then unlimited collaborators and unrestricted compilation speed, no Mendeley/Zotero integration), using their hosted instance. Released 2011.
- GDPR
- open source
- sufficiently free
- TUM
- Collaborative documents
Collaborative (markdown) text editor with chat. Whiteboard, slideshow mode. Random URL
Open source, either install instance on your own server or use one of a long list of public instances (all have different policies on visibility, and content deletion; so some are GDPR-compliant). Released 2010.
- no registration
- open source
- sufficiently free
- Collaborative documents
Collaborative usable office suite (e.g. texts, code, spreadsheets, whiteboard, markdown slides, diagrams, or kanban boards).
Open source, privacy by design, usable without registration (but registration needed to upload files). Hosted by TUM at https://cryptpad.rbg.tum.de/. Released 2014.
- GDPR
- no registration
- open source
- sufficiently free
- TUM
- Collaborative documents
- Video conferencing
Video conferencing system focusing on online event/group work. Virtual space “Proximity chat”, where participants move their avatars close to allow chatting; an open office type environment with chairs and plants to make physical breakout rooms (with whiteboards, games like chess, virtual TVs, … ).
Private provider, GDPR conform, free of charge up to 25 participants, registration required. Released 2019(?).
- Collaborative boards
- Collaborative documents
- Create learning material
- Images
Collaboratively create all kinds of diagrams. Cross-platform app with many third-party integrations.
Open source, GDPR-compliant, free, usable without registration (online or on desktop). Since 2012, evolved from 2000-era JGraph.
- GDPR
- no registration
- open source
- sufficiently free