Scriban
Scriban: A .NET template engine with async rendering and controlled runtime access. Ranked #19 of 65 in Template Engine Software by our editors (7.7/10); pricing: Free plan; best for .NET developers needing controlled async rendering.
At a glance
- Editor score7.7 / 10
- PricingFree plan
- Best for.NET developers needing controlled async rendering
- Free planYes
- Paid fromFree
- Rendering modeBoth
- Facts checked23 Oct 2026
Where it wins
- Async rendering through Template.RenderAsync
- Runtime limits and access controls for objects, members, and functions
- Scriban and Liquid-compatible syntax with .NET integration
Where it doesn't
- Runtime controls are not a process-level sandbox or security boundary
- Self-hosted deployment places hosting responsibility on your team
- No AI features and documentation is the listed support channel
Our verdict on Scriban
Scriban is an open-source .NET text-templating engine and scripting language for developers building applications that generate text or markup. It fits teams that need programmable templates, Liquid compatibility, asynchronous rendering, and control over which objects, members, and functions are exposed during execution. The project is maintained by Alexandre Mutel, distributed as a NuGet package, and available for Windows, Linux, and macOS through self-hosted deployment.
Its standout capability is the configurable runtime context. Developers can set execution limits, define custom functions, integrate .NET objects, and work with a visitable abstract syntax tree that supports AST-to-text formatting. The engine also includes array, date, HTML, math, object, regex, string, and timespan functions. Template.RenderAsync provides asynchronous rendering, while compatibility with Liquid syntax can ease adoption of existing template styles. These features make Scriban suitable for applications that need more control than a basic text substitution library.
Scriban is free and open source under the BSD-2-Clause license, so the published model does not add paid feature tiers. Its runtime controls regulate exposure and execution, but the documentation states that they are not a process-level sandbox or a security boundary around arbitrary .NET objects. Rendering occurs inside the host application, and deployment is self-managed. Teams seeking a .NET-native engine with async support and deliberate runtime restrictions should consider Scriban; projects requiring a process-isolated security boundary, managed hosting, or a broader support operation should look for an alternative.
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Scriban pricing
Scriban fact sheet
| Free plan | Yes |
|---|---|
| Paid from | Free |
| Rendering mode | Both |
| Syntax model | Logic-based |
| Template inheritance | Not verified |
| Automatic escaping | Not verified |
| Sandbox mode | No |
| Async rendering | Yes |
| License model | Open-source |
| Deployment | Self-hosted |
| Platforms | Windows, Linux, macOS |
| Support | Docs |
| Built for | Solo, Small business, Mid-market, Enterprise (editorial estimate) |
| Integrations | 1 integrations: .NET |
| Pricing | Free plan |
| Website | scriban.github.io |
| Facts checked | 23 Oct 2026 |
Scriban integrations
Scriban lists 1 integrations on its own site.
- .NET
Alternatives to Scriban
- 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 Scriban alternatives →
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Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
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