Tuta (formerly Tutanota), founded in 2011 in Hanover, Germany, is a pioneer in end-to-end encrypted email. Features the proprietary TutaCrypt encryption protocol, fully open source codebase, and a 1GB free plan.
N26 is a digital bank founded in Berlin, Germany in 2013, regulated by Germany's BaFin, offering 8-minute online account opening, multi-currency accounts, real-time transaction notifications, and savings and investing mobile banking services for users across Europe.
Kimai is an AGPLv3 open-source time tracking system from Germany supporting multi-project, multi-customer accounting and PDF invoice export, self-hostable for data sovereignty and a common choice for privacy- and cost-conscious teams.
CleverReach is a German email marketing platform (founded 2007) with 400,000+ customers, GDPR compliance with EU-only data storage, drag-and-drop editor, AI content generation, and automation, with independently confirmed 90%+ deliverability.
ilert is a Germany-based alert management and on-call scheduling platform founded in 2017. It centralizes alerts from 100+ monitoring systems, with flexible scheduling, multi-channel notifications, and automatic escalation policies.
KeyHelp is an open-source server control panel developed by German hosting provider Keyweb AG, free in the base version and EUR 9/month for Pro, supporting Ubuntu/Debian, 15+ languages and unlimited domains as a low-cost cPanel/Plesk alternative.
Sedo is a leading global domain trading and parking platform founded in Cologne, Germany in 2000, offering domain buying, parking, auction, and brokerage with millions of domains listed.
InterNetX is a German domain registry service provider founded in Regensburg in 1998, offering back-end registry services, the AutoDNS wholesale platform, and enterprise DNS infrastructure for thousands of registrars.
Splitbee is a modern web and product analytics tool founded in Germany in 2020, offering event tracking, funnels, retention, A/B testing, and heatmaps with an about 5KB script, a free tier of about 10,000 events per month, and a GPL open-source self-hostable core.
Posteo is a green encrypted email service from Berlin, Germany, offering 100% renewable energy-powered secure email at just €1/month with anonymous registration and server-side encryption.
Mailbox.org, founded in 2014, is Heinlein Support's green encrypted email service based in Berlin, Germany. Powered by OpenXchange, it offers encrypted business email, cloud storage, and online office suite starting at €1/month.