Build on Vibe in Köln
A local hub for founders in Köln shipping AI-native products. Local demand, local stack, and a playbook that fits how Köln builds.
Iconic builders and playbooks from Köln.
$13B process-mining decacorn. Widely referenced by Köln founders as a playbook to copy.
Visit celonis.comGermany's largest tech company; enterprise-software blueprint. Widely referenced by Köln founders as a playbook to copy.
Visit sap.com€8.5B HR platform for European SMBs. Widely referenced by Köln founders as a playbook to copy.
Visit personio.comThe reference stack in Köln.
Heidelberg lab building EU-sovereign foundation models.
Visit aleph-alpha.comOpen-source LLM engineering platform, YC-backed, Berlin HQ.
Visit langfuse.comCologne-built neural translator; enterprise pick over Google Translate.
Visit deepl.comLocal demand you can ship into this month.
Local Slack/WhatsApp/Discord groups and city subreddits convert 3–5× better than global launches for a first cohort in Köln.
A German-localized landing page from day one lifts conversion in Köln materially.
Charging in EUR with a locally-preferred processor beats USD checkout for Köln customers.
Founders shipping from Köln.
The design library is a gift for non-designers.
Finally a project OS that respects German privacy defaults.
Shipped my first paid SaaS in 5 weeks.