Checkmate is an open source uptime and infrastructure monitoring application that helps you track the availability and performance of your services.

Bichon is an open-source email archiving system that synchronizes emails from IMAP servers, indexes them for full-text search, and provides a REST API for programmatic access. Unlike email clients, Bichon is designed for archiving and searching rather than sending/receiving emails. It runs as a standalone server application that continuously synchronizes configured email accounts and maintains a searchable local archive.

Skylite-UX is an open-source, self-hosted family management app with calendar, todos, shopping lists, and user management.

Nightscout is an open source, DIY project that allows real time access to a CGM data via personal website, smartwatch watchers, or apps and widgets available for smartphones.

Script to automatically set up a SQL Server 2025 installation with Ubuntu 24.04 support.

OpenCloud is the file sharing and collaboration solution of the Heinlein Group. Through intelligent file management and a strong open source community, files become valuable resources, effectively structured and usable in the long term. With flexible data rooms and intelligent access rights, teams can access and work together on data anytime, anywhere without barriers, but with a lot of productivity.

Nginx UI is a comprehensive web-based interface designed to simplify the management and configuration of Nginx servers. It provides features like online statistics, ChatGPT-powered config assistant, automatic Let's Encrypt certificates, and config file editing with syntax highlighting.

WriteFreely is free and open source software for easily publishing writing on the web with support for the ActivityPub protocol. Use it to start a personal blog — or an entire community.

Wishlist is a self-hosted wishlist application that you can share with your friends and family. You no longer have to wonder what to get your family for the holidays, simply check their wishlist and claim any available item!

Share your Immich photos and albums in a safe way without exposing your Immich instance to the public.