January 31, 2026
Hash Calendar
Lightweight, client-only calendar web application. All data persists in the URL hash for instant sharing, No backend required. Optional AES-GCM password protection keeps shared links locked without a server.
Lightweight, client-only calendar web application. All data persists in the URL hash for instant sharing, No backend required. Optional AES-GCM password protection keeps shared links locked without a server.
A monorepository for (time)keeper—an open-source calendar synchronization and booking tool.
Shift management application built with Next.js 16 and React 19. Features shift planning, scheduling, multi-language support, and admin panel. SQLite-backed, Docker-ready, MIT licensed. 179 stars.
Task and time-tracking management with calendar integration for Obsidian
Lightweight, actively-developed CalDAV/CardDAV server backed by a single SQLite database. Supports OIDC login, WebDAV Push for near-instant DAVx5 sync, group-based sharing, and calendar import/export. Single-binary Docker image.