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OpenAlternative

Open Source Glean Alternatives

A curated collection of the 2 best open source alternatives to Glean.

The best open source alternative to Glean is Onyx. If that does not suit you, we have compiled a ranked list of other open source Glean alternatives to help you find a suitable replacement.

Glean alternatives are mainly AI Search Tools. Browse these if you want a narrower list of alternatives or are looking for a specific functionality of Glean.

Written by OpenAlternative Last updated: June 2, 2026
#1

Onyx

An open-source platform that connects to 40+ apps to provide intelligent search and AI assistance across all company information

An open-source platform that connects to 40+ apps to provide intelligent s...

#2

Pipeshub

Connect your business apps, organize scattered data, and deploy AI agents that reason with evidence. Open source, fully auditable, deploy anywhere.

Connect your business apps, organize scattered data, and deploy AI agents ...