Difference between revisions of "Web/Frameworks"

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{{Web infobox}}
  
{{Web infobox}}
   
  +
Content from [[Web]] should be merged here.
−
Below is a list of known to be active Haskell web frameworks.
  
   
  +
Below is a list of known to be active Haskell web frameworks. Rather than one framework to rule them all, Haskell provides several options. You can view the [[Web/Deploy]] page to get an idea of how you might deploy an application written in some of these frameworks.
−
See also: [[Web/Frameworks/Inactive|Inactive web frameworks]]
  
  +
  +
See also: there are also many [[Web/Frameworks/Inactive|inactive web frameworks]] to draw inspiration from
   
 
== Happstack ==
  
== Happstack ==
Line 11: Line 13:
   
 
{| class="wikitable"
  
{| class="wikitable"
  +
! License
  +
| BSD3
  +
|-
 
! Author:
  
! Author:
 
| Happstack team, HAppS LLC
  
| Happstack team, HAppS LLC
Line 18: Line 23:
 
|-
  
|-
 
! Home page:
  
! Home page:
−
| http://happstack.com/index.html
 +
| http://happstack.com/
 
|-
  
|-
 
! Documentation:
  
! Documentation:
−
| http://happstack.com/docs
 +
| http://www.happstack.com/c/view-page-slug/3/documentation/
 
|-
  
|-
 
! Package & repositories
  
! Package & repositories
−
| [http://hackage.haskell.org/package/happstack Hackage] - [http://patch-tag.com/r/mae/happstack/pullrepo Darcs]
 +
| [http://hackage.haskell.org/package/happstack-server Hackage] - [http://patch-tag.com/r/mae/happstack Darcs]
 
|}
  
|}
  +
  +
[http://happstack.com/ Happstack] is a complete web framework. The main component is [http://hackage.haskell.org/package/happstack-server happstack-server]: an integrated HTTP server, routing combinators, fileserving, etc. In addition, a number of packages that used to be coupled to Happstack have now been decoupled from it, but remain promoted and documented for use with Happstack:
  +
  +
* [http://hackage.haskell.org/package/safecopy safecopy]: datatype serialization and migration support
  +
* [http://hackage.haskell.org/package/acid-state acid-state]: a powerful NoSQL ACID storage system with native support for Haskell types
  +
  +
It also includes integration with many 3rd party libraries including:
  +
  +
*templating: [http://hackage.haskell.org/package/blaze-html Blaze HTML], [http://www.yesodweb.com/book/shakespearean-templates Hamlet], [[HSP]], [[HStringTemplate]], [[Heist]], and more
  +
*forms: [http://hackage.haskell.org/package/reform reform]
  +
*routing: [http://hackage.haskell.org/package/web-routes web-routes] type-safe urls and routing
  +
*databases: can be used with most [[Database interfaces]] with no special support required
  +
  +
See the [http://happstack.com/ Happstack Home Page] for more information and to learn how to get support via IRC and mailing lists.
  +
  +
== Snap ==
  +
  +
Snap is a simple web development framework for unix systems, written in the Haskell programming language.
  +
  +
Snap is well-documented and has a test suite with a high level of code coverage, but it is early-stage software with still-evolving interfaces. Snap is therefore likely to be most appropriate for early adopters and potential contributors.
  +
  +
* A fast HTTP server library with an optional high-concurrency backend using the libev event loop library
  +
* A sensible and clean monad for web programming
  +
* An XML-based templating system for generating HTML
  +
  +
{| class="wikitable"
  +
! License:
  +
| BSD3
  +
|-
  +
! Author:
  +
| James Sanders, Gregory Collins, Doug Beardsley
  +
|-
  +
! Maintainer:
  +
| snap@snapframework.com
  +
|-
  +
! Home page:
  +
| http://snapframework.com/
  +
|-
  +
! Documentation:
  +
| http://snapframework.com/docs
  +
|-
  +
! Package & repositories
  +
| [http://hackage.haskell.org/package/snap-server Hackage] - [http://git.snapframework.com/snap-server.git Git]
  +
|}
  +
  +
== Yesod ==
  +
  +
Yesod is designed for RESTful, type-safe, performant web apps. By leveraging quasi-quotation for the more boilerplate tasks, we get concise web apps with high levels of type safety. Its Hamlet templates are compile-time checked for correctness, and the controller (web-routes-quasi) uses type-safe URLs to make certain you are only generating valid URLs. It loosely follows Model/View/Controller principles.
  +
  +
{| class="wikitable"
  +
! License:
  +
| BSD3
  +
|-
  +
! Author:
  +
| Michael Snoyman <michael@snoyman.com>
  +
|-
  +
! Maintainer:
  +
| Michael Snoyman <michael@snoyman.com>
  +
|-
  +
! Announcement:
  +
| http://www.haskell.org/pipermail/haskell-cafe/2010-March/074271.html
  +
|-
  +
! Home page:
  +
| http://www.yesodweb.com/
  +
|-
  +
! Documentation:
  +
| http://www.yesodweb.com/book
  +
|-
  +
! Screencast:
  +
| http://www.youtube.com/watch?v=BEWJnDgrmp0
  +
|-
  +
! Package & repositories
  +
| [http://hackage.haskell.org/package/yesod Hackage] - [https://github.com/yesodweb/yesod Github]
  +
|}
  +
  +
[http://docs.yesodweb.com/ Yesod] is a full-featured web framework. It takes a modular approach to development, so many parts of the framework such as [http://www.yesodweb.com/book/shakespearean-templates Hamlet] and [http://www.yesodweb.com/book/persistent Persistent] are available as standalone packages. However, put together, Yesod provides you with solutions for templating, routing, persistence, sessions, JSON, authentication/authorization, and more. Yesod's major guiding principle is type safety: if your application compiles, it works.
  +
  +
Yesod is very well documented through the [http://docs.yesodweb.com/book Yesod book]. Work is being done on an constant basis to improve the documentation status, but the first ten chapters (covering all the basics) are already done, so it should be easy to get started.
  +
  +
Yesod is built on [http://hackage.haskell.org/package/wai WAI], or the Web Application Interface. This is similar to WSGI in Python or Rack in Ruby. It provides a single interface that all applications can target and work on multiple backends. Backends exist for CGI, FastCGI, SCGI, development server (auto-recompile) and even a Webkit-powered desktop version.
  +
  +
But the premier backend is [http://hackage.haskell.org/package/warp Warp]: a very simple web server which, at the time of writing, is the fastest Haskell has to offer. You can read more in its [http://docs.yesodweb.com/blog/announcing-warp release announcement] and see some [http://www.yesodweb.com/blog/2011/02/warp-speed-ahead followup benchmarks]. Warp is already powering Yesod; some other major players that are planning a move are Hoogle and Happstack.
  +
  +
You can see a [https://github.com/yesodweb/yesod/wiki/Powered-by-Yesod list of Yesod-powered sites and packages], or check out the [https://github.com/snoyberg/haskellers source code for Haskellers]. Most discussions for Yesod take place on the [http://groups.google.com/group/yesodweb yesodweb list], so feel free to join in and ask any questions you have, the Yesod community is very beginner-friendly.
   
 
== Haskell on a Horse ==
  
== Haskell on a Horse ==
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|}
  
|}
   
−
== loli ==
 +
== miku ==
   
−
A simple library for fast web prototyping in Haskell.
 +
A simple library for fast web prototyping in Haskell, inspired by Ruby's Rack and Sinatra.
   
 
{| class="wikitable"
  
{| class="wikitable"
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|-
  
|-
 
! Package & repositories
  
! Package & repositories
−
| [http://hackage.haskell.org/package/loli Hackage] - [http://github.com/nfjinjing/loli Github]
 +
| [http://hackage.haskell.org/package/miku Hackage] - [http://github.com/nfjinjing/miku Github]
 
|}
  
|}
   
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A web server with a module system and support for CGI. Based on Simon Marlow's original Haskell Web Server.
  
A web server with a module system and support for CGI. Based on Simon Marlow's original Haskell Web Server.
   
  +
{| class="wikitable"
−
'''License:''' BSD3
  
  +
!License:
−  
  +
|BSD3
−
'''Copyright:''' Simon Marlow, Bjorn Bringert
  
  +
|-
−  
  +
!Copyright:
−
'''Author:''' Simon Marlow, Bjorn Bringert <bjorn@bringert.net>
  
  +
|Simon Marlow, Bjorn Bringert
−  
  +
|-
−
'''Maintainer:''' Henning Thielemann <webserver@henning-thielemann.de>
  
  +
!Author:
−  
  +
|Simon Marlow, Bjorn Bringert <bjorn@bringert.net>
−
'''Packages & repositories'''
  
  +
|-
−  
  +
!Maintainer:
−
* Hackage: http://hackage.haskell.org/cgi-bin/hackage-scripts/package/mohws
  
  +
|Henning Thielemann <webserver@henning-thielemann.de>
−
* Darcs: http://code.haskell.org/mohws/
  
  +
|-
  +
!Packages & repositories
  +
|[http://hackage.haskell.org/cgi-bin/hackage-scripts/package/mohws Hackage] - [http://code.haskell.org/mohws/ Darcs]
  +
|}
   
 
== Salvia ==
  
== Salvia ==
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|}
  
|}
   
−
== Snap ==
 +
== Scotty ==
   
  +
A Haskell web framework inspired by Ruby's Sinatra, using WAI and Warp. Sinatra + Warp = Scotty.
−
Snap is a simple web development framework for unix systems, written in the Haskell programming language.
  
   
  +
Scotty is the cheap and cheerful way to write RESTful, declarative web applications.
−
Snap is well-documented and has a test suite with a high level of code coverage, but it is early-stage software with still-evolving interfaces. Snap is therefore likely to be most appropriate for early adopters and potential contributors.
  
   
  +
* A page is as simple as defining the verb, url pattern, and Text content.
−
* A fast HTTP server library with an optional high-concurrency backend using the libev event loop library
  
  +
* It is template-language agnostic. Anything that returns a Text value will do.
−
* A sensible and clean monad for web programming
  
  +
* Conforms to WAI Application interface.
−
* An XML-based templating system for generating HTML
  
  +
* Uses very fast Warp webserver by default.
   
 
{| class="wikitable"
  
{| class="wikitable"
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|-
  
|-
 
! Author:
  
! Author:
  +
| Andrew Farmer
−
| James Sanders, Gregory Collins, Doug Beardsley
  
 
|-
  
|-
 
! Maintainer:
  
! Maintainer:
  +
| Andrew Farmer
−
| snap@snapframework.com
  
 
|-
  
|-
 
! Home page:
  
! Home page:
−
| http://snapframework.com/
 +
| http://ittc.ku.edu/csdl/fpg/Tools/Scotty
 
|-
  
|-
 
! Documentation:
  
! Documentation:
−
| http://snapframework.com/docs
 +
| http://hackage.haskell.org/package/scotty
 
|-
  
|-
 
! Package & repositories
  
! Package & repositories
−
| [http://hackage.haskell.org/package/snap-server Hackage] - [http://git.snapframework.com/snap-server.git Git]
 +
| [http://hackage.haskell.org/package/scotty Hackage] - [https://github.com/xich/scotty Git]
 
|}
  
|}
   
−
== Turbinado ==
 +
==See also==
   
  +
* [[Web/Framework survey]]
−
Turbinado is a Rails-ish MVC web framework for Haskell. Turbinado gives you all of the benefits of coding in Haskell and adds:
  
−
http://www.cin.ufpe.br/~haskell/hwsproxygen/
  
−
* A fast HTTP server with static- and dynamic-content serving capabilities;
  
−
* Views built using HTML, HAML or Haskell templating syntax;
  
−
* Automagic recompilation of Controllers, Layouts and Views;
  
−
* A database ORM to make database interaction (especially with PostgreSQL) joyful;
  
−
* A rich set of tags to make designing pages simpler;.
  
−  
−
{| class="wikitable"
  
−
! Author:
  
−
| Alson Kemp
  
−
|-
  
−
! Package & repositories:
  
−
| [http://github.com/alsonkemp/turbinado Github]
  
−
|}
  
−  
−
== Yesod ==
  
−  
−
Yesod is designed for RESTful, type-safe, performant web apps. By leveraging quasi-quotation for the more boilerplate tasks, we get concise web apps with high levels of type safety. Its Hamlet templates are compile-time checked for correctness, and the controller (web-routes-quasi) uses type-safe URLs to make certain you are only generating valid URLs. It loosely follows Model/View/Controller principles.
  
−  
−
{| class="wikitable"
  
−
! License:
  
−
| BSD3
  
−
|-
  
−
! Author:
  
−
| Michael Snoyman <michael@snoyman.com>
  
−
|-
  
−
! Maintainer:
  
−
| Michael Snoyman <michael@snoyman.com>
  
−
|-
  
−
! Announcement:
  
−
| : http://www.haskell.org/pipermail/haskell-cafe/2010-March/074271.html
  
−
|-
  
−
! Home page:
  
−
| http://www.yesodweb.com/
  
−
|-
  
−
! Documentation:
  
−
| http://docs.yesodweb.com/yesod/
  
−
|-
  
−
! Screencast:
  
−
| http://www.youtube.com/watch?v=BEWJnDgrmp0
  
−
|-
  
−
! Package & repositories
  
−
| [http://hackage.haskell.org/package/yesod Hackage] - [http://github.com/snoyberg/yesod Github]
  
−
|}
  

Revision as of 23:08, 29 December 2012

Haskell Web Development

Software:
Servers - Libraries - Frameworks
Deploy - Cloud
Interfaces to frameworks
Databases and Persistence
Testing and Verification
Content Management

Community & Research:
Forums and Discussion
Literature (research, talks and blogs)
Existing Haskell web applications
Ongoing projects and ideas

Content from Web should be merged here.

Below is a list of known to be active Haskell web frameworks. Rather than one framework to rule them all, Haskell provides several options. You can view the Web/Deploy page to get an idea of how you might deploy an application written in some of these frameworks.

See also: there are also many inactive web frameworks to draw inspiration from

Happstack

Happstack is a Haskell web framework. Happstack is designed so that developers can prototype quickly, deploy painlessly, scale massively, operate reliably, and change easily. It supports GNU/Linux, OS X, FreeBSD, and Windows environments.

License BSD3
Author: Happstack team, HAppS LLC
Maintainer: Happstack team <happs@googlegroups.com>
Home page: http://happstack.com/
Documentation: http://www.happstack.com/c/view-page-slug/3/documentation/
Package & repositories Hackage - Darcs

Happstack is a complete web framework. The main component is happstack-server: an integrated HTTP server, routing combinators, fileserving, etc. In addition, a number of packages that used to be coupled to Happstack have now been decoupled from it, but remain promoted and documented for use with Happstack:

  • safecopy: datatype serialization and migration support
  • acid-state: a powerful NoSQL ACID storage system with native support for Haskell types

It also includes integration with many 3rd party libraries including:

See the Happstack Home Page for more information and to learn how to get support via IRC and mailing lists.

Snap

Snap is a simple web development framework for unix systems, written in the Haskell programming language.

Snap is well-documented and has a test suite with a high level of code coverage, but it is early-stage software with still-evolving interfaces. Snap is therefore likely to be most appropriate for early adopters and potential contributors.

  • A fast HTTP server library with an optional high-concurrency backend using the libev event loop library
  • A sensible and clean monad for web programming
  • An XML-based templating system for generating HTML
License: BSD3
Author: James Sanders, Gregory Collins, Doug Beardsley
Maintainer: snap@snapframework.com
Home page: http://snapframework.com/
Documentation: http://snapframework.com/docs
Package & repositories Hackage - Git

Yesod

Yesod is designed for RESTful, type-safe, performant web apps. By leveraging quasi-quotation for the more boilerplate tasks, we get concise web apps with high levels of type safety. Its Hamlet templates are compile-time checked for correctness, and the controller (web-routes-quasi) uses type-safe URLs to make certain you are only generating valid URLs. It loosely follows Model/View/Controller principles.

License: BSD3
Author: Michael Snoyman <michael@snoyman.com>
Maintainer: Michael Snoyman <michael@snoyman.com>
Announcement: http://www.haskell.org/pipermail/haskell-cafe/2010-March/074271.html
Home page: http://www.yesodweb.com/
Documentation: http://www.yesodweb.com/book
Screencast: http://www.youtube.com/watch?v=BEWJnDgrmp0
Package & repositories Hackage - Github

Yesod is a full-featured web framework. It takes a modular approach to development, so many parts of the framework such as Hamlet and Persistent are available as standalone packages. However, put together, Yesod provides you with solutions for templating, routing, persistence, sessions, JSON, authentication/authorization, and more. Yesod's major guiding principle is type safety: if your application compiles, it works.

Yesod is very well documented through the Yesod book. Work is being done on an constant basis to improve the documentation status, but the first ten chapters (covering all the basics) are already done, so it should be easy to get started.

Yesod is built on WAI, or the Web Application Interface. This is similar to WSGI in Python or Rack in Ruby. It provides a single interface that all applications can target and work on multiple backends. Backends exist for CGI, FastCGI, SCGI, development server (auto-recompile) and even a Webkit-powered desktop version.

But the premier backend is Warp: a very simple web server which, at the time of writing, is the fastest Haskell has to offer. You can read more in its release announcement and see some followup benchmarks. Warp is already powering Yesod; some other major players that are planning a move are Hoogle and Happstack.

You can see a list of Yesod-powered sites and packages, or check out the source code for Haskellers. Most discussions for Yesod take place on the yesodweb list, so feel free to join in and ask any questions you have, the Yesod community is very beginner-friendly.

Haskell on a Horse

Haskell on a Horse (HoH) is a combinatorial web framework for the programming language Haskell. It is currently at an early, unsettled stage of development. It is available under the "BSD3" open-source license.

License BSD3
Author Jason Hart Priestley
Maintainer jason@on-a-horse.org
Home page: http://haskell.on-a-horse.org/
Package & repositories Hackage

miku

A simple library for fast web prototyping in Haskell, inspired by Ruby's Rack and Sinatra.

License BSD3
Author Wang, Jinjing
Maintainer Wang, Jinjing <nfjinjing@gmail.com>
Package & repositories Hackage - Github

Lemmachine

Lemmachine is a REST'ful web framework that makes it easy to get HTTP right by exposing users to overridable hooks with sane defaults. The main architecture is a copy of Erlang-based Webmachine, which is currently the best documentation reference (for hooks & general design).

Lemmachine stands out from the dynamically typed Webmachine by being written in dependently typed Agda. The goal of the project is to show the advantages gained from compositional testing by taking advantage of proofs being inherently compositional. See proofs for examples of universally quantified proofs (tests over all possible input values) written against the default resource, which does not override any hooks.

More information

Author Larry Diehl
Packages & repositories Github

mohws

A web server with a module system and support for CGI. Based on Simon Marlow's original Haskell Web Server.

License: BSD3
Copyright: Simon Marlow, Bjorn Bringert
Author: Simon Marlow, Bjorn Bringert <bjorn@bringert.net>
Maintainer: Henning Thielemann <webserver@henning-thielemann.de>
Packages & repositories Hackage - Darcs

Salvia

Salvia is a feature rich modular web server and web application framework that can be used to write dynamic websites in Haskell. From the lower level protocol code up to the high level application code, everything is written as a Salvia handler. This approach makes the server extremely extensible. To see a demo of a Salvia website, please see the salvia-demo package.

All the low level protocol code can be found in the salvia-protocol package, which exposes the datatypes, parsers and pretty-printers for the URI, HTTP, Cookie and MIME protocols.

This Salvia package itself can be separated into three different parts: the interface, the handlers and the implementation. The interface module defines a number of type classes that the user can build the web application against. Reading the request object, writing to the response, or gaining direct access to the socket, all of these actions are reflected using one type class aspect in the interface. The handlers are self contained modules that implement a single aspect of the Salvia web server. The handlers expose their interface requirements in their type context. Salvia can have multiple implementations which can be switched by using different instances for the interface type classes. This package has only one implementation, a simple accepting socket loop server. The salvia-extras package has two additional implementations. Keeping a clear distinction between the abstract server aspects and the actual implementation makes it very easy to migrate existing web application to different back-ends.

License: BSD3
Author: Sebastiaan Visser
Maintainer: sfvisser@cs.uu.nl
Announcement: http://www.haskell.org/pipermail/haskell-cafe/2010-March/074870.html
Package & repositories Hackage - Git

Scotty

A Haskell web framework inspired by Ruby's Sinatra, using WAI and Warp. Sinatra + Warp = Scotty.

Scotty is the cheap and cheerful way to write RESTful, declarative web applications.

  • A page is as simple as defining the verb, url pattern, and Text content.
  • It is template-language agnostic. Anything that returns a Text value will do.
  • Conforms to WAI Application interface.
  • Uses very fast Warp webserver by default.
License: BSD3
Author: Andrew Farmer
Maintainer: Andrew Farmer
Home page: http://ittc.ku.edu/csdl/fpg/Tools/Scotty
Documentation: http://hackage.haskell.org/package/scotty
Package & repositories Hackage - Git

See also

Retrieved from "https://wiki.haskell.org/index.php?title=Web/Frameworks&oldid=55180"