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Best Self-Hosted Glean Alternatives in 2026

Glean is an enterprise AI search platform that connects to all company tools and knowledge bases for finding information.

2 Self-Hosted Alternatives to Glean

Why Look for Glean Alternatives?

Glean is an enterprise AI search platform that connects to all company tools and knowledge bases for finding information.

Self-hosted alternatives give you full data ownership, predictable costs, and zero vendor lock-in. You run the software on your own infrastructure and control everything.

2 Best Open-Source Alternatives to Glean

PipesHub

Transform scattered business data into actionable insights with AI-powered enterprise search, workflow automation, and explainable results with full source citations. — 2,713 GitHub stars. Licensed under Apache-2.0.

Read full PipesHub review

Onyx Community Edition

Chat UI that works with any LLM. It comes loaded with advanced features like agents, web search, RAG, MCP, deep research, Connectors to 40+ knowledge sources, and more — 17,886 GitHub stars. Licensed under MIT.

Read full Onyx Community Edition review

Why Self-Host Instead of Glean?

  • Data ownership. Your data stays on your server, not on Glean’s infrastructure.
  • Predictable costs. Pay a fixed VPS cost instead of growing per-user or per-usage fees.
  • No vendor lock-in. Export and migrate your data anytime. You control the database.
  • GDPR and compliance. Hosting your own tools simplifies data residency and compliance requirements.

Why teams switch from Glean

  • Data ownership. Your data stays on your server -- not on Glean's infrastructure.
  • Predictable costs. Pay a fixed VPS cost instead of growing per-user or per-usage fees.
  • No vendor lock-in. Export and migrate your data anytime. You control the database.
  • GDPR and compliance. Hosting your own tools simplifies data residency and compliance requirements.

Head-to-Head Comparisons

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