Side by side
Stoplight Elements vs Viking Docs
Both stand on knowledge base software. Which one you can start free with, which one lets you read the code, and what each costs once you pay.
Free plan Self-hostedWeb
Stoplight Elements covers core interactive API documentation needs with OpenAPI support, code examples, and an embedded console. Check whether its missing DevPortal features, such as search or multiple API listings, matter for your documentation setup.
Visit Stoplight Elements Free plan Web
Viking Docs combines structured documentation editing, publishing, search, and team features with a limited free tier. Paid plans add site capacity, custom domains, unlimited pages, and broader support.
Visit Viking DocsThe facts
| Stoplight Elements | Viking Docs | |
|---|---|---|
| Free plan | Yes | Yes |
| Open source | Not published | Not published |
| Runs on | Self-hosted, Web | Web |
| Lowest paid plan | Free or on request | Starter: $39 a month |
| Plans published | 1 | 3 |
| Maker | Not published | Not published |
| Website | stoplight.io | vikingdocs.com |
| On knowledge base software | #62 of 138 | #66 of 138 |
Stoplight Elements: what it does well
- Free, open-source API documentation components
- Supports OpenAPI 3.1 and JSON Schema
- Interactive console for requests and responses
- Works with any framework or HTML project
- Can be hosted anywhere, including S3 or GitHub
What to know first
- Does not list multiple API listings
- Does not list mocking or Markdown articles
- Does not list branch version selection or search
Viking Docs: what it does well
- Rich editor supports code and tables
- Full-text documentation search
- AI writing assistance
- Password protection for internal docs
- Version history on paid plans
What to know first
- Free plan limited to one site
- Free plan allows 50 pages
- Free AI writing limited to 10 uses monthly
- Paid plans billed annually
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