# Open-source alternatives for AI chat assistants

> Self-hosted chat interfaces and local model runners that replace paid AI chat subscriptions.

## Paid products
- [Open-source alternatives to ChatGPT Plus](https://repoquarry.dev/alternatives/chatgpt-plus.md): OpenAI's paid ChatGPT subscription for chat with frontier models, file analysis and web search. Pricing: Plus $20/month; Pro from $100/month.
- [Open-source alternatives to Perplexity Pro](https://repoquarry.dev/alternatives/perplexity-pro.md): Paid AI answer engine that searches the web and answers with inline citations, with a choice of top models. Pricing: Free plan; Pro US$17/month billed annually; Max US$167/month billed annually.

## Top ranked projects
1. [Ollama](https://repoquarry.dev/projects/ollama.md): Local model runner that downloads and serves open LLMs (Gemma, Qwen, DeepSeek, gpt-oss and more) with a CLI and local API. Commercial use: Confirmed.
2. [Open WebUI](https://repoquarry.dev/projects/open-webui.md): Self-hosted AI chat platform for Ollama and OpenAI-compatible APIs, with RAG over your files, web search and multi-user admin. Commercial use: Partial.
3. [AnythingLLM](https://repoquarry.dev/projects/anything-llm.md): All-in-one desktop or Docker app to chat with your documents using local or cloud LLMs, with agents and a built-in vector database. Commercial use: Confirmed.
4. [Jan](https://repoquarry.dev/projects/jan.md): Desktop app that downloads and runs LLMs from Hugging Face offline, with optional cloud model connections and a local OpenAI-compatible API. Commercial use: Confirmed.
5. [LobeHub (formerly LobeChat)](https://repoquarry.dev/projects/lobehub.md): Self-hostable AI chat and agent workspace (formerly LobeChat) with multi-provider models, plugins and a desktop app. Commercial use: Partial.
6. [LibreChat](https://repoquarry.dev/projects/librechat.md): Self-hosted ChatGPT-style interface for many AI providers, with agents, MCP, file chat, web search and multi-user auth. Commercial use: Confirmed.
7. [WeKnora](https://repoquarry.dev/projects/weknora.md): Self-hosted LLM knowledge platform from Tencent that turns your documents into cited RAG Q&A, a reasoning agent and an auto-maintained wiki. Commercial use: Confirmed.
8. [Octop](https://repoquarry.dev/projects/octop.md): Self-hosted multi-user, multi-agent AI assistant with a web dashboard, desktop apps, IM channels, document RAG and Ollama or API models. Commercial use: Confirmed.
9. [Vane (formerly Perplexica)](https://repoquarry.dev/projects/vane.md): Self-hosted AI answering engine that searches the web through SearxNG and answers with cited sources using local or cloud LLMs. Commercial use: Confirmed.
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Source: RepoQuarry (https://repoquarry.dev/categories/ai-chat). Data licence: CC BY 4.0. Quotes are from project documentation and belong to their authors.