Open-source alternatives to PyBitmessage

A MCP (Model Context Protocol) server that provides get, send Gmails without local credential or token setup.

Helios server

Social reading and reviewing, decentralized with ActivityPub

Telegram MCP for managing dialogs, messages, drafts, read statuses, and more.

Telegram MCP server powered by Telethon to let MCP clients read chats, manage groups, and send/modify messages, media, contacts, and settings.

A wiki system with complex functionality for simple integration and a superb interface. Store your knowledge with style: Use django models.

Inbox Zero is an AI-powered email automation platform and inbox organizer. It uses large language models to automatically categorize, label, and archive emails, while providing a conversational interface for managing workflows and drafting responses through natural language. The project distinguishes itself by integrating real-time calendar availability into its drafting process and generating AI-summarized meeting briefings. It supports a pluggable AI provider interface with model fallback chains, allowing it to connect to various cloud or local LLM providers. Users can also control their in

SecureDrop is an integrated software suite designed for anonymous whistleblowing and encrypted document leaks. It provides a platform for the secure transfer of sensitive files and a communication portal for two-way encrypted messaging between organizations and anonymous sources. The system ensures identity protection by integrating onion routing to mask network locations and using asymmetric cryptography for secure communication. It incorporates a metadata-stripping pipeline to remove identifying information from uploaded files before they are reviewed. For data handling, the platform utili

GlobaLeaks is a free and open-source whistleblowing software enabling anyone to easily set up and maintain a secure reporting platform.

A Model Context Protocol (MCP) server for Gmail integration in Claude Desktop with auto authentication support. This server enables AI assistants to manage Gmail through natural language interactions.

gotoHuman makes it easy to add human approvals to AI agents and agentic workflows. A fully-managed async human-in-the-loop workflow with a customizable approval UI. Enjoy built-in auth, webhooks, notifications, team features, and an evolving training dataset.

An MCP server application that sends various types of messages to the WeCom group robot.

An MCP server that provides safe access to your iMessage database through Model Context Protocol (MCP). This server is built with the FastMCP framework and the imessagedb library, enabling LLMs to query and analyze iMessage conversations with proper phone number validation and attachment handling.

Moved to https://codeberg.org/Inboxen/Inboxen

Indico - A feature-rich event management system, made @ CERN, the place where the Web was born.

An MCP (Model Context Protocol) server implementation for Microsoft Teams integration, providing capabilities to read messages, create messages, reply to messages, mention members.

A Mattermost integration that connects to Model Context Protocol (MCP) servers, leveraging a LangGraph-based Agent.

A federated social home

A free, open-source expert system for guided interviews and document assembly, based on Python, YAML, and Markdown.

Bluesky MCP server

Tranzit is a cross-platform app to share files on your local network.

This project is a Model Context Protocol server that acts as a programmatic bridge between large language models and private messaging accounts. It provides an automation interface for interacting with WhatsApp by exposing messaging and data retrieval capabilities as tools for AI assistants. The system utilizes browser automation to control the web application interface, allowing for stateful session management to maintain authentication. It enables the transmission of various content types, including plain text, documents, and audio files formatted as voice messages. The server covers conve

Mailpile is an encrypted email client and high-volume mail indexer that provides a web-based portal for managing electronic mail. It functions as a private email management system designed to protect user privacy and data control. The project features a search engine optimized for indexing and retrieving large volumes of email on consumer hardware. It includes a Bayesian email filter for automated message classification and tagging. The system supports secure communication through the integration of public-key encryption and signing for sending and receiving messages. Additional capabilities

A Nostr MCP server that allows to interact with Nostr, enabling posting notes, and more.