Open-Meteo
Weather API with open-data forecasts, historical and climate data from all major national weather services.
Zammad
Easy to use but powerful open-source support and ticketing system.
OpenCloud
File Sharing and Collaboration Platform.
Kill Bill
Subscription billing & payments platform.
Haraka
Fast, highly extensible, and event driven SMTP server.
SuiteCRM
The award-winning, enterprise-class open source CRM.
remark42
Lightweight and simple comment engine, which doesn't spy on users.
SilverBullet
Note-taking application optimized for people with a hacker mindset.
Lidarr
Music collection manager for Usenet and BitTorrent users.
Aimeos
E-commerce framework for building custom online shops, market places and complex B2B applications scaling t…
Unison
Unison is a file-synchronization tool for OSX, Unix, and Windows.
TrailBase
Open, sub-millisecond, single-executable FireBase alternative with type-safe REST & realtime APIs, built-in…
WeTTY
Terminal in browser over http/https.
Solidus
A free, open-source ecommerce platform that gives you complete control over your store.
Isso
Lightweight commenting server written in Python and Javascript.
Zoraxy
General purpose HTTP reverse proxy and forwarding tool.
OpenEMR
Electronic health records and medical practice management solution.
Umbraco
The friendly CMS.
WriteFreely
Writing software for starting a minimalist, federated blog — or an entire community.
TagSpaces
TagSpaces is an offline, cross-platform file manager and organiser that also can function as a note taking…
Rallly
Create polls to vote on dates and times (alternative to Doodle).
Shlink
URL shortener with REST API and command line interface.
ezbookkeeping
A lightweight personal bookkeeping app hosted by yourself.
Joomla!
Advanced Content Management System (CMS).