Scalar
8.4#1 in documentation generatorsFrom $150 a monthFree planWebAPILinuxmacOS
VisitScalar vs Stack Internal
Stack Internal
7.6#26 in knowledge base softwareFree planFree planWebAPI
VisitWhat both publish
| Fact | Scalar | Stack Internal |
|---|---|---|
| Free plan | Yes | Yes |
| Integrations | Scalar documents more than 35 framework integrations, including Express, Fastify, Hono, NestJS, Next.js, FastAPI, Django, Rails, Laravel, ASP.NET Core, Spring Boot, Go and Rust. | Listed integrations include ChatGPT, Claude Code, Confluence, Cursor, Gemini, GitHub, Jira, Notion, OpenAI, ServiceNow, Slack, Microsoft Teams and Google Docs. |
| Rating on G2 | 0.0 out of 5 from 0 reviews; the displayed listing is categorized as a 409A valuation provider rather than an API-software profile. | 4.5 out of 5 stars from 793 reviews |
Scalar plans
- FreeFree
- Pro$150 a month
- Business$600 a month
- EnterprisePriced on request
Stack Internal plans
- FreeFree
- StarterFree
- OrganizationPriced on request
Pick Scalar if…
Scalar suits developers and teams that work with OpenAPI-based documentation, SDKs, or API registries. Its hosted and self-hosted options may suit teams with different deployment preferences.
Pick Stack Internal if…
Stack Internal may suit organizations that need shared knowledge for employees and AI agents, with space-based permissions and listed connectors. Starter is aimed at teams of up to three collaborators; Organization supports unlimited collaborators.