Baikal
Free & Open Source
Calendar and contacts server
Free & Open Source
Open-source tool. Self-hosted setup.
Things to Know About Self-Hosted
Self-hosted tools are open-source apps you install on your own server to replace SaaS products. You get full control and often zero license cost, but you're responsible for setup, security, backups, and uptime.
Free & Open Source
Workflow automation tool for automating tasks
Free & Open Source
Secure syncing for contacts, calendars, tasks, and notes
Free & Open Source
Scan and generate customized QR codes easily
Free & Open Source
A self-hosted frontend for managing your CalDAV tasks and calendars