Stack Internal
Provider 
Founded 2008
Sells To Consumers, Enterprise
Pricing Model Advertising, Recurring, Software
Ownership Venture-backed

An enterprise knowledge platform that captures, validates, and serves an organization's internal knowledge to employees and their AI agents.
Stack Internal is an enterprise knowledge platform that organizations use to capture, validate, and share internal knowledge. It gives employees a structured place to ask questions and find answers drawn from colleagues and internal documentation.
The platform is designed to serve both people and the AI agents they work with. Answers are validated and kept current so that teams can rely on consistent internal knowledge across an organization.
| Attribute | Stack Internal | Confluence | Knowledge Management | Tettra Knowledge Base | |
|---|---|---|---|---|---|
| Provider | |||||
| Founded | 2008 | 2002 | 2013 | 2015 | |
| Sells To | Consumers, Enterprise | Enterprise | Enterprise | Enterprise, Small Business | |
| Pricing Model | Advertising, Recurring, Software | Recurring, Software | Recurring, Software | Recurring | |
| Ownership | Venture-backed | Public | Venture-backed | Venture-backed |
Provider 
Founded 2008
Sells To Consumers, Enterprise
Pricing Model Advertising, Recurring, Software
Ownership Venture-backed
Provider 
Founded 2002
Sells To Enterprise
Pricing Model Recurring, Software
Ownership Public
Provider 
Founded 2013
Sells To Enterprise
Pricing Model Recurring, Software
Ownership Venture-backed
Provider 
Founded 2015
Sells To Enterprise, Small Business
Pricing Model Recurring
Ownership Venture-backed


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Enterprise knowledge platform for documentation governance, search, and delivery.

Knowledge management platform for delivering technical content across customer touchpoints.

Mintlify's platform helps teams create and maintain documentation and knowledge bases for human readers and AI agents.

Raycast Teams is an organization-focused offering for shared workflows, internal tools, and team resources.

Stackable Labs is agnoStack's developer platform for building on-brand interactive experiences inside Zendesk Messenger.

AI Knowledge Orchestration unifies documents, applications and databases into one source every Capacity agent reads from.

AI platform that transforms technical documentation into intelligent assistants for accurate question answering.

Glean Work AI puts enterprise context from company tools behind AI assistants and agents that answer and act.

Operational memory layer that consolidates scattered company knowledge into structured, searchable context for employees and AI agents.

Glean Assistant is an enterprise AI chat that answers questions grounded in your company's documents and apps.

Enterprise AI assistant platform that automates employee support requests across workplace systems.

Retool is a low-code platform for building internal tools, admin panels, and operational dashboards connected to company data.
