OpenSourceProjects

Open Source Perplexity Alternatives

Discover 4 open source alternatives to Perplexity. All free, community-driven, and actively maintained.

What is Perplexity?

AI-powered search engine that answers questions with cited sources in real-time.

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open-webui

open-webui

User-friendly AI Interface (Supports Ollama, OpenAI API, ...)

anything-llm

anything-llm

The all-in-one AI productivity accelerator. On device and privacy first with no annoying setup or configuration.

khoj

khoj

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.

onyx

onyx

Open Source AI Platform - AI Chat with advanced features that works with every LLM