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Onna

AI-powered knowledge integration for ediscovery and compliance

★ 4.3 / 5.0 Editors' score

Onna is a enterprise E-Discovery tool — AI-powered knowledge integration for ediscovery and compliance It offers 6 core capabilities, including Multi-platform data collection, AI-powered classification and assessment, Cross-platform search and analysis. Pricing is enterprise. It is rated 4.3/5 in our e-discovery directory, with its main trade-off being enterprise pricing model. Best suited for teams and professionals who need e-discovery capabilities.

Key Facts

Category E-Discovery
Pricing model enterprise
Rating 4.3 / 5.0
Best for E-Discovery
Key features 6
Last updated 2026-04-25

Overview

Onna is a knowledge integration platform that centralizes information from collaboration tools, communication platforms, and enterprise applications for ediscovery, compliance, and information governance. Unlike traditional ediscovery tools that focus primarily on email and documents, Onna connects to modern workplace applications like Slack, Teams, Google Workspace, Zoom, and dozens of other SaaS platforms to collect, preserve, and analyze relevant data. Core capabilities include automated data collection with defensible chain of custody, AI-powered classification and early case assessment, cross-platform search and analysis, and legal hold management across connected applications. Onna's AI can identify potentially relevant communications, flag privilege issues, and surface patterns across disparate data sources. For legal teams managing discovery in organizations with complex SaaS ecosystems, Onna provides visibility into data sources that traditional ediscovery tools miss entirely.

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Key Features

  • ✓ Multi-platform data collection
  • ✓ AI-powered classification and assessment
  • ✓ Cross-platform search and analysis
  • ✓ Legal hold management automation
  • ✓ Defensible chain of custody
  • ✓ Slack, Teams, Google, Zoom connectors

Pros

  • ✅ Connects to modern workplace apps
  • ✅ Strong SaaS-platform coverage
  • ✅ Automated legal hold management

Cons

  • ❌ Enterprise pricing model
  • ❌ Best for organizations with diverse SaaS stacks

Pricing

Model: enterprise

Compare Onna

ediscoverycomplianceinformation-governancedata-collectionenterprise

Frequently Asked Questions

What is Onna?
Onna is a knowledge integration platform that centralizes information from collaboration tools, communication platforms, and enterprise applications for ediscovery, compliance, and information governance. Unlike traditional ediscovery tools that focus primarily on email and documents, Onna connects to modern workplace applications like Slack, Teams, Google Workspace, Zoom, and dozens of other SaaS platforms to collect, preserve, and analyze relevant data. Core capabilities include automated data collection with defensible chain of custody, AI-powered classification and early case assessment, cross-platform search and analysis, and legal hold management across connected applications. Onna's AI can identify potentially relevant communications, flag privilege issues, and surface patterns across disparate data sources. For legal teams managing discovery in organizations with complex SaaS ecosystems, Onna provides visibility into data sources that traditional ediscovery tools miss entirely.
How much does Onna cost?
Onna offers a enterprise pricing model.
What are the main features of Onna?
Key features include: Multi-platform data collection, AI-powered classification and assessment, Cross-platform search and analysis, Legal hold management automation, Defensible chain of custody, Slack, Teams, Google, Zoom connectors.
Who is Onna best for?
Onna is best suited for teams and professionals who need e-discovery capabilities, and is rated 4.3/5 in this category.
What are the limitations of Onna?
Reported trade-offs include: Enterprise pricing model; Best for organizations with diverse SaaS stacks.
What are the best Onna alternatives?
See our full list of Onna alternatives, with side-by-side ratings, pricing, and pros & cons, on the Onna alternatives page.

Last updated: 2026-04-25