We replaced big tech with our own stack. Built and run by DDQ on our own hardware in the Netherlands. Open source all the way down, tied together with single sign-on.

services

• nextcloud — files, talk, office
  cloud.ddq.nl · replaces Google Drive, Docs, Meet
• mattermost — team chat
  mattermost.ddq.nl · replaces Slack
• chat — ai assistant, open source & private
  chat.ddq.nl · replaces ChatGPT
• webmail — email
  webmail.ddq.nl · replaces Gmail
• git — code repositories
  git.ddq.nl · replaces GitHub
• sso — one account for all services
  auth.ddq.nl · replaces Sign in with Google
• wiki — knowledge base
  wiki.ddq.nl · replaces Notion, Confluence

why

• Our own hardware — not someone else's computer
• Open source all the way down
• One account for everything (SSO)
• Data stays in the EU
• Live status, nothing to hide — the dots above are real, checked every 5 minutes

in the press

“Technicus Norbert (55) uit Valkenburg bevrijdt zich van digitaal infuus uit de Verenigde Staten: ‘Nederland word wakker’”
De Limburger, 30-01-2026

want this?

We run this stack for ourselves. We can deploy it for your organisation — on our infrastructure or yours.

[email protected]