Rythm
Rythm: An open-source Java template engine for server-rendered templates and reusable layouts. Ranked #50 of 65 in Template Engine Software by our editors (4.5/10); pricing: Free plan; best for java teams using Play or other listed frameworks.
At a glance
- Editor score4.5 / 10
- PricingFree plan
- Best forJava teams using Play or other listed frameworks
- Free planYes
- Paid fromFree
- Rendering modeServer
- Facts checked23 Oct 2026
Where it wins
- Combines Java expressions with template inheritance and layout management
- Supports reusable tags, inline includes, and tag-result caching
- Documents integrations with Play Framework, Spring, JFinal, and Ninja
Where it doesn't
- Requires Java JDK 7 or later
- Uses Java-based, logic-oriented template syntax rather than a logic-free model
- Automatic HTML escaping is documented for PlayRythm HTML templates
Our verdict on Rythm
Rythm is an open-source template engine for Java applications, intended for developers who want to render server-side templates using Java expressions and code. Its `@` character marks template elements, and its Razor-like syntax offers a familiar structure for teams comfortable with Java. Templates can share content through includes and reusable tags, while inheritance supports layouts. Rythm fits Java teams working with Play Framework or the other listed frameworks; it is less suited to projects seeking a hosted, non-Java template service.
The feature set centers on composition and reuse. Developers can define user-defined and inline tags, include templates, and organize pages through inheritance and layouts. Tag-result caching is also available. Automatic HTML escaping is documented specifically for PlayRythm HTML templates, so that behavior should not be assumed across every configuration. Rythm is therefore a fit where Java-based expressions and server-side composition are useful, while teams needing a different template model should weigh that syntax and scope carefully.
Rythm is distributed as a Java dependency through Maven Central and is self-hosted. Repository documentation says it requires Java JDK 7 or later. The project documents integrations with Play Framework, Spring, JFinal, Ninja Framework, and MediaWiki, giving Java applications several established integration paths. It is open source and has a free plan. Choose Rythm when a Java team wants template inheritance, reusable tags, includes, and caching without a hosted service; look elsewhere if the project requires a hosted platform or automatic escaping behavior beyond the documented PlayRythm HTML case.
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Rythm pricing
Rythm fact sheet
| Free plan | Yes |
|---|---|
| Paid from | Free |
| Rendering mode | Server |
| Syntax model | Logic-based |
| Template inheritance | Yes |
| Automatic escaping | Yes |
| Sandbox mode | Not verified |
| Async rendering | Not verified |
| License model | Open-source |
| Deployment | Self-hosted |
| Built for | Solo, Small business, Mid-market, Enterprise (editorial estimate) |
| Integrations | 5 integrations: Play Framework, Spring, JFinal, Ninja Framework, MediaWiki |
| Pricing | Free plan |
| Website | github.com |
| Facts checked | 23 Oct 2026 |
Rythm integrations
Rythm lists 5 integrations on its own site.
- Play Framework
- Spring
- JFinal
- Ninja Framework
- MediaWiki
Alternatives to Rythm
- JinjaJinja gives Python applications inheritance, configurable rendering, and compilation in an open-source engine.9.4
- TwigA free, open-source PHP engine for compiled templates, inheritance, escaping, and sandboxing.9.3
- Handlebars.jsA free, open-source template engine for JavaScript projects that need reusable HTML.9.2
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Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
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