Open source focus

Open Source Alternatives to Mem

6 open source AI Search Engine options similar to Mem, ranked by named competitors first, sector overlap, and our 0-100 AI-readiness score. Every company listed publishes its source: each one carries an open source sector tag and a public GitHub repository.

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Nomic AI
Not rated
Nomic AI builds tools to make AI explainable and accessible, focusing on data curation and visualization.
Open source · Self-hostable
Langchain-Chatchat
Not rated
Open-source, offline-deployable RAG and Agent application built on LangChain for local knowledge base Q&A.
Open source · Self-hostable
Vanna AI
Not rated
An open-source AI-powered SQL agent for natural language database interaction and data insights.
Open source · Self-hostable
GitHits
Not rated
The Google of code search for open-source.
Open source · Self-hostable
Spice AI
Not rated
Ground AI in enterprise data with zero ETL. Spice is an open-source SQL query & hybrid search engine built for data-intensive apps & AI agents.
Open source · Self-hostable
OP
OpenWorker
Not rated
OpenWorker is an open-source desktop AI agent that runs locally, integrates with everyday tools, and delivers finished outcomes by breaking down tasks.
Open source

Company	License	Founded	Rating	Reviews
Nomic AINomic AI builds tools to make AI explainable and accessible, focusing on data curation and visualization.	Open source · Self-hostable	-	Not rated	-
Langchain-ChatchatOpen-source, offline-deployable RAG and Agent application built on LangChain for local knowledge base Q&A.	Open source · Self-hostable	-	Not rated	-
Vanna AIAn open-source AI-powered SQL agent for natural language database interaction and data insights.	Open source · Self-hostable	-	Not rated	-
GitHitsThe Google of code search for open-source.	Open source · Self-hostable	-	Not rated	-
Spice AIGround AI in enterprise data with zero ETL. Spice is an open-source SQL query & hybrid search engine built for data-intensive apps & AI agents.	Open source · Self-hostable	-	Not rated	-
OPOpenWorkerOpenWorker is an open-source desktop AI agent that runs locally, integrates with everyday tools, and delivers finished outcomes by breaking down tasks.	Open source	-	Not rated	-