AI chatbots & chat clients: top picks for 2026

A self-hosted personal AI assistant that runs on your own devices and answers you through messaging apps like WhatsApp, Telegram, Slack and Discord.

Open-source, cross-platform AI chat client for Web, desktop and mobile that connects to OpenAI, Claude, Gemini, DeepSeek and self-hosted models.

LobeHub is a platform for organizing AI agents into always-on teams that can be hired, scheduled, and reviewed from one place.

Self-hosted personal AI agent framework in Python with a browser WebUI, terminal client, chat app channels, tools, memory and MCP support.

Open-source personal AI assistant and Agent Harness that plans tasks, runs tools and skills, and keeps memory across web and IM channels.

Self-hosted ChatGPT-style chat platform that unifies many AI providers, with Agents, MCP support, Artifacts, and multi-user auth.

Python package for quickly building and sharing web demos and UIs for machine learning models, APIs, or any Python function.

Open-source agent chatbot platform that connects LLMs, plugins and agent tools to IM apps like QQ, Telegram, Slack and Discord.

Desktop client for ChatGPT, Claude and other LLMs, running on Windows, macOS and Linux with local data storage.

Self-hostable AI second brain that answers questions from the web and your own documents, with custom agents and scheduled automations.

A lightweight personal AI assistant written in Go that runs on low-cost hardware and connects to many LLM providers and chat apps.

A curated collection of 280+ ready-to-import n8n workflow templates covering email, chat bots, AI agents, RAG, documents and DevOps.

Turns your exported chat history into a fine-tuned LLM that mimics your style, then deploys it as a chatbot on Telegram, Discord, Slack or WeChat.

Open-source platform for building AI-powered chat bots that connect LLMs to Slack, Discord, Telegram, WeChat, Lark, DingTalk and more.

Desktop app that sends one prompt to many AI chatbots at once so you can compare their answers side by side.

An agent framework that connects digital humans (2.5D, 3D, mobile, PC, web) and LLMs (OpenAI-compatible, DeepSeek) to business systems.

TypeScript/React library for building production-grade AI chat interfaces, with composable primitives and backend integrations.

MaiBot (MaiSaka) is an LLM-based conversational agent that chats in a casual, human-like style, mainly for QQ group chats, with a plugin system.

Self-hostable personal AI assistant as a single Go binary, combining LLM chat, RAG knowledge bases, and agent loops for browsing, shell, and MCP tools.

A cross-platform desktop AI assistant that connects to major LLM providers and acts as an MCP client with a local knowledge base.

An AI video editing agent that turns natural-language instructions into clip search, script writing, music and font selection, and edits.

An open-source long-term memory layer for AI agents that stores and recalls information across sessions via a Python SDK, REST API, and MCP server.

A Go chat bot that connects Telegram, Discord, Slack, Lark, DingTalk, WeCom, QQ and WeChat to LLMs such as OpenAI, Gemini and DeepSeek.

A tavern-style role-play game agent built on DeepSeek Harness (DSH), compatible with SillyTavern character cards and assets.

Self-hostable, AI-focused chat marketing platform for running automated conversations and campaigns across WhatsApp, Instagram, Messenger, Telegram and more, as an alternative to ManyChat.

SDK monorepo for Ethora, a chat and messaging platform with React, React Native, Android, iOS and WordPress SDKs plus AI bot and MCP tooling.

Self-hosted personal AI agent built on Pi Durable that resumes tasks after process restarts, with subagents, scheduled jobs, a browser UI and an optional WeChat bridge.