Code · Vendor site 2026-10-04
Ninja is a lightweight Java web framework emphasizing simplicity, rapid development, and straightforward deployment. Documentation covers routing, JSON and XML views, WebSockets, validation, and commercial support options.
Java teams wanting a simpler alternative to larger enterprise web stacks for HTML and JSON services.
Commercial support and custom development are offered via contact flows rather than published monthly SaaS tiers.
Ninja Framework documentation targets developers building maintainable Java web applications with optional commercial support services.
What it can do
Unknown is different from unavailable. Each fact carries its own evidence.
| Capability | Value | Evidence | Checked |
|---|---|---|---|
| Java web framework | Site title presents Ninja as a Java web framework with published documentation. | Facts sourced | 2026-10-04 |
| Documentation breadth | Docs navigation includes JSON, XML, WebSockets, validation, and deployment topics. | Facts sourced | 2026-10-04 |
| Support plans | Homepage sidebar links commercial support and custom development offerings. | Facts sourced | 2026-10-04 |
Understand the total cost
Free
Free
Ninja is open source with free documentation and downloads; commercial support plans are listed separately without USD prices on the homepage.
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Ninja is a lightweight Java web framework emphasizing simplicity, rapid development, and straightforward deployment. Documentation covers routing, JSON and XML views, WebSockets, validation, and commercial support options.
Ninja is open source with free documentation and downloads; commercial support plans are listed separately without USD prices on the homepage.. This record lists ongoing free access; check the plan limits before starting.
No paid monthly price is listed; this record treats the product as free to start. See the plan cards for entitlements, billing commitments and seat minimums.
Not confirmed. API access and subscription access may have different terms; consult the linked sources.
Commercial support and custom development are offered via contact flows rather than published monthly SaaS tiers.
No retained pricing changes yet. A current price alone does not establish a historical trend.
Reviewed vendor source
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