enterprise search software with permissions and citations

If you’re looking for enterprise search software with permissions-aware results and citations, these are strong options:

Top enterprise search platforms

1. Glean

   • Strong permission trimming across many SaaS sources
   • Usually returns answers with source links/citations
   • Good for internal knowledge search across Google Drive, Slack, Jira, Confluence, etc.

2. Microsoft Search / Copilot for Microsoft 365

   • Best if your org is heavily in Microsoft 365
   • Respects Microsoft permissions
   • Can provide cited answers from indexed content

3. Glean alternatives with built-in citation UX

   • Coveo
   • Elastic Enterprise Search
   • Algolia NeuralSearch (more for app/site search, but can be used internally)
   • Sinequa
   • Lucidworks
   • Guru (knowledge base + search, citations depending on setup)

4. OpenSearch / Elasticsearch-based custom stack

   • Very flexible
   • You can enforce ACL filtering at query time
   • Citations can be built into your app
   • Best when you need custom control and already have engineering resources

What to look for

For your use case, the important features are:

• Permission-aware retrieval: search results only show documents the user can access
• Source citations: every answer links to the exact files/messages/docs used
• Connectors: Slack, Drive, SharePoint, Confluence, Jira, Box, Salesforce, etc.
• Identity sync: SSO, SCIM, group membership, ACL syncing
• Audit logs: to prove what was shown and why

Quick recommendation

• Best overall: Glean
• Best for Microsoft-heavy orgs: Microsoft Copilot/Search
• Best for custom/self-hosted control: Elasticsearch or OpenSearch with ACL filtering
• Best for customer-facing app/site search: Coveo or Algolia

If you want, I can also give you:

1. a comparison table,
2. open-source/self-hosted options, or
3. a shortlist based on your stack (Google Workspace, Microsoft 365, Slack, Confluence, etc.).