Glean

Enterprise search and assistant that connects to company apps and answers questions from their content. A closed product from Glean.

Side by side

3 alternatives to Glean
Tool	Fit	Stars	Licence	Terms	Self-hosted	Language	Latest	Last push
Onyx	Full replacement	32k	Other	Open core	Yes	Python	v4.8.4	2026-10-06
DocsGPT	Partial	18k	MIT	Open source	Yes	Python	0.21.0	2026-10-06
SurfSense	Partial	16k	Other	Open core	Yes	Python	v2.1.0	2026-10-06

Every alternative

3 alternatives

Onyx Full replacement

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

Search and chat over company apps through connectors, respecting their permissions.

Language: Python
Licence: Other
Stars: 32k
Latest: v4.8.4
Last push: 2026-10-06

DocsGPT Partial

Private AI platform for agents, assistants and enterprise search. Built-in Agent Builder, Deep research, Document analysis, Multi-model support, and API connectivity for agents.

An assistant that answers from your docs and connected sources, embeddable as a chat widget.

Language: Python
Licence: MIT
Stars: 18k
Latest: 0.21.0
Last push: 2026-10-06

SurfSense Partial

Air gapped, privacy focused open source NotebookLM alternative. Join our Discord: https://discord.gg/ejRNvftDp9

Search and chat over connected apps like Slack, Notion and GitHub, for a team.

Language: Python
Licence: Other
Stars: 16k
Latest: v2.1.0
Last push: 2026-10-06

Head to head

About Glean

Vendor: Glean

Glean website ↗