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The Secure CommsOS™ for mission-critical operations

A generative speech model for daily dialogue.

Your AI second brain. Self-hostable. Get answers from the web or your docs. Build custom agents, schedule automations, do deep research. Turn any online or local LLM into your personal, autonomous AI (gpt, claude, gemini, llama, qwen, mistral). Get started - free.

LLM Frontend for Power Users.

Free, local, open-source 24/7 Cowork app for OpenClaw, Hermes Agent, Claude Code, Codex, OpenCode, Gemini CLI and 20+ more CLI | Customize your assistants | Star if you like it!

Zulip server and web application. Open-source team chat that helps teams stay productive and focused.

SimpleX - the first messaging network operating without user identifiers of any kind - 100% private by design! iOS, Android and desktop apps 📱!

A customizable life embetterment robot.

🐀 A decentralised discussion platform for communities.

Instant messaging platform. Backend in Go. Clients: Swift iOS, Java Android, JS webapp, scriptable command line; chatbots

Take control over your live stream video by running it yourself. Streaming + chat out of the box.

🚀 Next Gen Multi-tenant AI One-Stop Solution. Builtin Admin & Billing System. Enterprise-Grade Unified LLM Gateway Support for 200+ Models And 35+ Providers, Load Balacing w/ Priority-base Routing, Cost Management, Chat Share, Cloud Sync, Credit/Subscription Billing, All File Parsing, Web Search, Built-in Model Cache.

The first GitHub Copilot, Codeium and ChatGPT Xcode Source Editor Extension

Elegant Facebook Messenger desktop app

Robust, Ubiquitous and Massively Scalable Messaging Platform (XMPP, MQTT, SIP Server)

💬 ‎ Modern, responsive, cross-platform, self-hosted web IRC client

HTPC/Homelab Services Organizer - Written in PHP

Open-source and local-first Slack and Notion alternative that puts you in control of your data

Fully customizable AI chatbot component for your website

A full featured Live Chat, Support & Marketing platform, alternative to Intercom, Drift, Crisp.

The extensible chat client.

Errbot is a chatbot, a daemon that connects to your favorite chat service and bring your tools and some fun into the conversation.

Web-based XMPP/Jabber chat written in JavaScript

🌊 AChat - An open-source/self-hosted/local-first AI platform, designed for enterprises and teams, perfectly combining powerful local processing capabilities with seamless remote synchronization.

🦜💬 Web app for interacting with any LangGraph agent (PY & TS) via a chat interface.

Graphical client for the Soulseek peer-to-peer network

Keep passwords and other sensitive information out of your chat logs and inboxes.

💬 SpeechGPT is a web application that enables you to converse with ChatGPT.

A powerful Zotero AI and MCP plugin with ChatGPT, Gemini 3.5, Claude, DeepSeek V4, Grok, OpenRouter, Kimi 2.6, GLM 5, SiliconFlow, GPT-oss, Gemma 4, Qwen 3.7

An open-source ChatGPT app with a voice