Open-source alternatives to Glean

Glean in the AI category. These are the open alternatives we recommend looking at.

AI chat and search across company documents and tools, for any language model.

MITPermissiveOpen core

SaaS: YesClosed product: Yes

Knowledge platform that makes documents searchable with RAG and an AI agent.

MITPermissive

SaaS: YesClosed product: Yes

Research assistant that searches your own documents and sources with AI, an alternative to NotebookLM.

Apache-2.0PermissiveOpen core

SaaS: YesClosed product: Yes

RAG engine that ingests documents, searches them and lets language models answer with citations.

SaaS: YesClosed product: Yes

Framework for connecting your own documents and data to language models, for RAG and agents among other things.

MITPermissive

SaaS: YesClosed product: Yes

Method and library from Microsoft for RAG that builds a knowledge graph from the texts before searching.

MITPermissive

SaaS: YesClosed product: Yes

Python framework for building LLM apps as pipelines, with search, RAG and agents.

SaaS: YesClosed product: Yes

This is guidance, not legal advice (inte juridisk rådgivning). Check with a lawyer before deciding.

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