Chat & video meetings, in European hands.
8 products in this category. What is judged is the jurisdiction of the parent company, not where the servers stand.
8 entries
Nextcloud TalkDE
Chat and video meetings inside the same system as files and calendar — for anyone already running Nextcloud, the cheapest step away from Teams.
EU / EEASolidEffort: SmallOpen sourceSelf-hostableCatchLarge meetings need the separate high-performance backend. Without it, things get sticky past a dozen participants.
nextcloud.com/talk Replaces: Microsoft Teams · Slack · Zoom
OpenTalkDE
Video meetings out of Berlin, from the Heinlein group, under a European licence and runnable in your own data centre.
EU / EEASolidEffort: SmallOpen sourceSelf-hostableopentalk.eu Replaces: Zoom · Microsoft Teams · Google Meet
Threema WorkCH
A messenger with no phone number and no address-book upload, with a business variant and a server you can run yourself.
SwitzerlandProvenEffort: SmallOpen sourceSelf-hostablethreema.ch Replaces: WhatsApp · Slack
WherebyNO
A Norwegian meetings service that runs in the browser without an install and embeds cleanly into your own product.
EU / EEASolidEffort: Smallwhereby.com Replaces: Zoom · Google Meet
WireCH
An end-to-end encrypted messenger with conferencing, used by public bodies, with a server edition you can run yourself.
SwitzerlandSolidEffort: MediumOpen sourceSelf-hostablewire.com Replaces: Microsoft Teams · Slack · WhatsApp
BigBlueButtonCA
Conferencing built for teaching, with whiteboard, polls and breakout rooms; widely used in German schools.
OtherProvenEffort: MediumOpen sourceSelf-hostableCatchProject and core development sit in Canada. If you self-host in the EU, that does not touch your data.
bigbluebutton.org Replaces: Zoom · Google Meet
Element / MatrixGB
Encrypted chat on the open Matrix protocol — the basis of Germany's BwMessenger, the French administration's messenger and many universities.
United KingdomProvenEffort: MediumOpen sourceSelf-hostableCatchElement Software is based in London. Self-hosting makes that irrelevant; if you buy Element Cloud, pin the instance location in the contract.
element.io Replaces: Microsoft Teams · Slack · WhatsApp
Jitsi MeetUS
The most widely deployed open video conferencing server; every other European university instance runs on it.
United StatesProvenEffort: SmallOpen sourceSelf-hostableCatchThe project is owned by the US vendor 8x8. The code is free, the roadmap is not — and meet.jit.si is a US service. It only becomes sovereign on your own server.
jitsi.org Replaces: Zoom · Google Meet
Every field, filter and catch lives in the full directory. Not a recommendation and not a review. A list with evidence, so you can draw up a shortlist. Ownership and headquarters change — verify whatever matters to you before you sign.
Data as of August 2026