Alternatives
Open Source Alternatives to Perplexity
An AI-powered answer engine that provides accurate, trusted, and real-time answers to any question.
Open Source Alternatives to Perplexity
Use the same directory search, ordering, and pagination controls inside this collection.
4 of 4 tools
Letta
Apache-2.0
Letta is an open-source platform for creating AI agents with built-in memory, reasoning, and support for thousands of tools.
Khoj
AGPL-3.0
Self-hostable AI assistant that connects to your docs and the web, lets you build agents, schedule automations, and run research with verifiable citations.
Morphic
Apache-2.0
Open-source answer engine that dynamically generates UI components while providing AI-powered responses, combining conversational AI with interactive interfaces.
SurfSense
Apache-2.0
Self-hostable NotebookLM alternative that lets teams build searchable knowledge bases from diverse sources, with support for any LLM and no data limits.