Yesod
A RESTful Haskell web framework that guarantees safety and performance at compile time.
What is Yesod?
Yesod is a RESTful web framework built for the Haskell programming language. It provides a type-safe environment for developing high-performance web applications, with built-in tools for routing, templating, and database interactions. The framework emphasizes compile-time guarantees to prevent common security vulnerabilities and runtime errors.
Haskell developers building secure, high-performance web applications, especially those who value type safety and compile-time error checking.
Developers choose Yesod for its strong compile-time safety guarantees, which reduce security risks and bugs, combined with Haskell's performance and asynchronous IO capabilities for efficient web application development.
Overview
A RESTful Haskell web framework built on WAI.
Use Cases
Best For
- Building type-safe RESTful APIs in Haskell
- Developing high-performance web applications with compile-time security
- Creating web services that require constant-space memory consumption
- Leveraging Haskell's asynchronous IO for concurrent web applications
- Ensuring web application safety through compile-time checks
- Using a web framework with integrated routing, templating, and persistence tools
Not Ideal For
- Projects requiring rapid prototyping with minimal setup, such as using Python's Flask or Ruby on Rails
- Teams heavily invested in JavaScript/TypeScript ecosystems where a Haskell backend adds integration complexity
- Applications needing extensive third-party libraries or plugins more mature in other languages like Python or Java
- Simple static websites or content where the overhead of a full Haskell framework is unnecessary
Pros & Cons
Pros
Catches security vulnerabilities like XSS and SQL injection at compile time, as emphasized in the README, reducing runtime errors and enhancing security.
Routes are defined and validated during compilation, preventing broken links and invalid URLs, ensuring robust application structure.
Leverages Haskell's fast, compiled code and constant-space memory consumption techniques for efficient, low-latency web applications.
Built on Haskell's native async IO capabilities, enabling efficient concurrency and handling of multiple requests without performance degradation.
Includes templating, persistence, and routing tools, covering basic web development needs as stated in the features for productivity.
Cons
Requires proficiency in Haskell and functional programming concepts, which can be a barrier for developers unfamiliar with the language.
Compared to frameworks in languages like JavaScript or Python, Yesod has fewer third-party libraries and community resources, which can slow development.
The README indicates cloning multiple repositories and using build tools like Stack, making initial setup more involved than with other web frameworks.
As a Haskell-based framework, Yesod has a smaller community, leading to fewer tutorials, slower issue resolution, and less frequent updates.
Frequently Asked Questions
Related Projects
Found a gem we're missing?
Open-Awesome is built by the community, for the community. Submit a project, suggest an awesome list, or help improve the catalog on GitHub.