Kanba alternatives for AI agents.

An Ephemeral Markdown Paper. Less but handy features for plain Markdown lovers.

End-to-end encrypted visual note-taking tool with deep page navigation.

The publicly-available modules of the Tangent project.

A next.js web application that integrates AI capabilities with draw.io diagrams. This app allows you to create, modify, and enhance diagrams through natural language commands and AI-assisted visualization.

Virtual whiteboard for sketching hand-drawn like diagrams

💌 Build and send emails using React

开源白板工具（SaaS），一体化白板，包含思维导图、流程图、自由画等。All in one open-source whiteboard tool with mind, flowchart, freehand and etc.

Omnivore is a complete, open source read-it-later solution for people who like reading.

Agentic AI Infrastructure for magnifying HUMAN capabilities.

An Obsidian plugin that embeds Claude Code/Codex as an AI collaborator in your vault

Full-sized drag & drop event calendar in JavaScript

Experience email the way you want with Mail0 – the first open source email app that puts your privacy and safety first. Join the discord: https://mail0.link/discord

CloudFlare free temp domain email 免费收发 临时域名邮箱 支持附件 IMAP SMTP TelegramBot

React Native Calendar Components 🗓️ 📆

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.

jtx Board allows you to manage your Journals (like meeting minutes), Notes and Tasks in one Android app. The app is compatible with the iCal standard (RFC5545) and is integrated with DAVx5 to allow the synchronisation of entries through CalDAV.