Sailfish
Sailfish: Static, type-safe Rust templates for teams comfortable with self-hosted libraries. Ranked #58 of 65 in Template Engine Software by our editors (3.7/10); pricing: Free plan; best for rust teams wanting static, type-safe template rendering.
At a glance
- Editor score3.7 / 10
- PricingFree plan
- Best forRust teams wanting static, type-safe template rendering
- Free planYes
- Paid fromFree
- Facts checked23 Oct 2026
Where it wins
- Static compilation provides type-safe rendering traits
- Includes, built-in filters, and Rust syntax support template composition
- VS Code and Vim syntax highlighting aids template editing
Where it doesn't
- Template inheritance is planned rather than available
- Self-hosted Rust library requires a Rust application environment
- No hosted service or subscription plans are provided
Our verdict on Sailfish
Sailfish is a template engine for Rust applications that compiles templates statically and renders them through type-safe traits. It suits Rust teams that want template logic checked through generated code rather than a hosted visual builder. Rendering supports shared-reference, mutable, and consuming template traits, giving applications several ways to pass template state. Sailfish is distributed as a self-hosted Rust library, so its natural audience includes solo developers and organizations already operating Rust services.
The project is free and open source under the MIT license, with no subscription tiers to compare. Its standout capability is static compilation: templates can contain Rust syntax, and generated rendering traits provide a type-safe path from template definitions to application output. File includes help split templates into reusable pieces, while built-in filters cover common template transformations. Syntax highlighting support for VS Code and Vim gives teams documented editor options. These features make Sailfish a focused fit for code-oriented Rust workflows rather than a cross-language template platform.
Sailfish’s scope also defines its boundaries. Template inheritance is described as planned, so teams that organize views around inheritance hierarchies may need another engine or a different composition approach. Deployment is self-hosted, and the project documents Rust version requirements, making a compatible Rust toolchain part of adoption. Choose Sailfish when static, type-safe rendering and Rust-native templates are priorities. Consider alternatives when you need a hosted service, subscription-based support model, or currently available template inheritance.
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Sailfish pricing
Sailfish fact sheet
| Free plan | Yes |
|---|---|
| Paid from | Free |
| Rendering mode | Not verified |
| Syntax model | Code-generation |
| Template inheritance | No |
| Automatic escaping | Not verified |
| 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) |
| Pricing | Free plan |
| Website | github.com |
| Facts checked | 23 Oct 2026 |
Alternatives to Sailfish
- 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
See all Sailfish alternatives →
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Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
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