* [Keeper v2.11.0](https://github.com/ridafkih/keeper.sh) – Calendar syncing tool that aggregates remote iCal/ICS events and pushes timeslot-based events to destination calendars.

* [AgenDAV 3.0.0](https://github.com/agendav/agendav) – CalDAV web client with AJAX interface for managing personal and shared calendars.

* [Manage my Damn Life (MMDL) v0.9.0](https://github.com/intri-in/manage-my-damn-life-nextjs) – Self-hosted front end for managing CalDAV tasks and calendars.

* [Compass Calendar v0.6.0](https://github.com/SwitchbackTech/compass) – Focused workspace that combines tasks and events to organize your day and keep you on track.

* [hebcal v5.11.0](https://github.com/hebcal/hebcal) – Perpetual Jewish calendar program printing Hebrew dates, holidays, weekly sedrot, Omer counts, and related events for specified years.

* [Ionic-Calendar directive 2.8.0](https://github.com/twinssbc/Ionic2-Calendar) – Calendar component for the Ionic framework providing month, week, and day views with event handling.

* [ilamy Calendar v1.8.0](https://github.com/kcsujeet/ilamy-calendar) – React calendar component with month, week, day, and year views, drag-and-drop, RFC 5545 recurrence, resource timelines, and iCalendar export.

* [ZiweiKnows v0.2.0](https://github.com/ruijayfeng/ziwei) – Zi Wei Dou Shu astrology tool for precise natal-chart calculation and AI-generated readings, self-hosted with multi-model LLM support.

* [Daylight Calendar Card v4.4.0](https://github.com/superdingo101/daylight-calendar-card) – Beautiful, customizable calendar card for Home Assistant dashboards with week, schedule and agenda views.

* [Calendar Link v2.11.3](https://github.com/AnandChowdhary/calendar-link) – JavaScript library for generating event links for various calendar services.

* [Bulwark Webmail 1.7.2](https://github.com/bulwarkmail/webmail) – Modern self-hosted webmail client using JMAP for email, calendar, contacts, and file management.

* [dayGLANCE v2.13.4](https://github.com/krelltunez/dayGLANCE) – Privacy-first day planner with visual time-blocking, deep integrations, and optional self-hosting.

* [Tymeslot v1.0.4](https://github.com/Tymeslot/tymeslot) – Self-hosted appointment scheduling platform offering booking pages, calendar sync, video rooms, automated emails, and webhooks.

* [EGroupware 23.1.20260601](https://github.com/EGroupware/egroupware) – Web-based groupware server written in PHP.