📆 Calendar app for Nextcloud

A versatile command-line tool for interacting with Google Workspace APIs, designed for both human users and AI agents.

Official Lark/Feishu CLI tool with 200+ commands and 26 AI agent skills, designed for agent-native operation and easy integration with AI runtimes.

Cross-CLI skill for Obsidian: turn your vault into a living AI-first second brain across Claude Code, Codex, Gemini, and OpenCode. 43 commands - now with /obsidian-architect to document your codebase, key-less web research, Google Calendar, and self-rewriting notes.

Task manager with Todoist, Nextcloud & CalDAV support designed for GNOME

Ultimate calendar for your React app.

Cal-Heatmap is a javascript charting library to create a time-series calendar heatmap

Tuta is an email service with a strong focus on security and privacy that lets you encrypt emails, contacts and calendar entries on all your devices.

QOwnNotes is a plain-text file notepad and todo-list manager with Markdown support and Nextcloud / ownCloud integration.

Highly customizable, feature-packed calendar widget for Flutter

React Native Calendar Components 🗓️ 📆

Reliably create beautiful Add to Calendar Buttons, where people can add events to their calendars. Without the hustle and unsupported cases.