* [Keeper v2.23.0](https://github.com/ridafkih/keeper.sh) – Calendar syncing tool that aggregates remote iCal/ICS events and pushes timeslot-based events to destination calendars.

* [OpenFamily v1.6.0](https://github.com/NexaFlowFrance/OpenFamily) – Self-hosted family management app managing shopping, tasks, appointments, recipes, meal plans, and budget.

* [Bulwark Webmail 1.9.0](https://github.com/bulwarkmail/webmail) – Modern self-hosted webmail client using JMAP for email, calendar, contacts, and file management.

* [dayGLANCE v4.7.0](https://github.com/krelltunez/dayGLANCE) – Privacy-first day planner with visual time-blocking, deep integrations, and optional self-hosting.

* [react-native-super-calendar v2.9.0](https://github.com/afonsojramos/super-calendar) – Gesture-driven, virtualized month/week/day calendar and date picker for React Native and the web with themeable views and event typing.

* [Prism v1.17.0](https://github.com/sandydargoport/prism) – Subscription-free self-hosted family dashboard focused on privacy, integrating calendars, tasks, photos, and shopping for wall displays and tablets.

* [Vanilla Calendar Pro v3.3.1](https://github.com/uvarov-frontend/vanilla-calendar-pro) – Lightweight and feature-rich JavaScript date and time picker component with TypeScript support.

* [Nextcloud Calendar Mobile (unofficial) 1.6.0](https://github.com/SoluceTechnologies/nextcloud-calendar-mobile) – Mobile calendar client for Nextcloud providing iOS and Android access via CalDAV with multi-account support, event management, and optional Nextcloud Talk integration.

* [chroncal v0.9.0](https://github.com/DouglasdeMoura/chroncal) – Terminal-first calendar, todo, and journal manager with SQLite storage, full iCalendar import/export, and CalDAV sync via CLI and TUI.

* [Daylight Calendar Card v4.11.1](https://github.com/superdingo101/daylight-calendar-card) – Beautiful, customizable calendar card for Home Assistant dashboards with week, schedule and agenda views.

* [Atomic Calendar Revive v10.4.0-beta.1](https://github.com/totaldebug/atomic-calendar-revive) – Advanced calendar card for Home Assistant with flexible settings and multiple viewing modes.

* [Jewish Date v2.0.29](https://github.com/Shmulik-Kravitz/jewish-date) – Fast, modern 2kb JavaScript library that converts dates between the Gregorian and Hebrew calendars, with formatting helpers for both scripts.

* [EGroupware 26.8.20260825](https://github.com/EGroupware/egroupware) – Web-based groupware server written in PHP.