
Free / Open-sourceThe AI workspace where teams and agents get work done together

Glean records 3,301,875 monthly visits with +0.1% month-over-month growth and Contact for Pricing pricing. Reqi records 4,933 monthly visits with -29.3% growth and Contact for Pricing pricing.
Requirements management and AI traceability for regulated engineering projects
| -2.04K (-29.3%) |
| Primary Market & Share | 🇺🇸 United States (56.6%) | 🇺🇸 United States (84.4%) |
|---|
| Direct Visits / mo | 2.63M | 1.96K |
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| User Rating | 4.6 | 4.3 |
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| Supported Platforms | Website | Website |
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Enterprise AI grounded in your company's own knowledge
Ask a question in plain language and get a cited answer assembled from documents, tickets, wikis, and messages across every connected system, with permissions respected.
Reusable agents handle multi-step workflows such as onboarding, account research, or incident follow-up by orchestrating actions across business apps.
Glean automatically picks and routes requests to the right model and reasoning level, giving teams access to 40+ LLMs through a single governed gateway.
Draft on-brand documents, summarise meetings, analyse data, and create content grounded in company context rather than generic model knowledge.
Requirements management and AI traceability for regulated engineering projects
Full requirements register with table, tree and network views, plus a System Breakdown Structure and allocation with review and agreed states.
REX is a free AI checker that scores requirements against the INCOSE 42-Point Guide, extracts them from PDF/Word/Excel and suggests clearer rewrites.
A stakeholder map and prioritised needs register, proposed breakdown structures and flow-down of requirements through the hierarchy.
An MCP server connects your live requirements project to Claude, Microsoft Copilot, ChatGPT and other MCP-compatible tools for grounded answers.

Free / Open-sourceThe AI workspace where teams and agents get work done together

Free / Open-sourceAll-in-one Korean collaboration suite for teams and public institutions
#2
Builds collaborative enterprise AI agents connected to company knowledge, but offers less robust out-of-the-box universal search.
SpecialistBuild, share, and control AI agents that actually do the work

Free / Open-sourceOne connected, AI-native platform for GRC, IT, projects and operations

SpecialistAutomates employee IT and HR support requests exceptionally well, but focuses less on general universal document search.

SpecialistDeploys enterprise conversational assistants and automated workflows, but lacks Glean's unified organization-wide knowledge graph search.
Creates permission-aware context graphs and routes tasks across enterprise tools, but has a smaller connector library than Glean.
Free / Open-sourceThe AI product manager for your entire team

Combines enterprise search, AI agents, and corporate learning, but is less specialized for pure universal workplace search than Glean.
Agentic contract lifecycle management that turns agreements into business results

Connects workplace apps for semantic enterprise search and custom agents, but lacks Glean's extensive out-of-the-box connector ecosystem.
Free / Open-sourceAll-in-one Korean collaboration suite for teams and public institutions
Builds collaborative enterprise AI agents connected to company knowledge, but offers less robust out-of-the-box universal search.
SpecialistBuild, share, and control AI agents that actually do the work
Free / Open-sourceOne connected, AI-native platform for GRC, IT, projects and operations
SpecialistAutomates employee IT and HR support requests exceptionally well, but focuses less on general universal document search.
Creates permission-aware context graphs and routes tasks across enterprise tools, but has a smaller connector library than Glean.
Agentic contract lifecycle management that turns agreements into business results
Connects workplace apps for semantic enterprise search and custom agents, but lacks Glean's extensive out-of-the-box connector ecosystem.