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Haskell is a modern, general-purpose, pure functional programming language that combines many powerful results from research into a practical programming language. Its features include:

Static typing, which increases robustness by allowing the compiler to catch many common errors automatically.

Type inference, which deduces types automatically and frees the programmer from writing superfluous type signatures.

Higher order functions, polymorphism, and lazy evaluation, which enable higher levels of abstraction and more compositional, thus more reusable code.

Purity, which helps to keep code maintainable, enables automatic, randomized testing and eases concurrent programming significantly.

Haskell comes with many libraries, freely available compilers for almost any computer, debuggers, profilers, code coverage and testing tools.

Events

Upcoming Events

18th ACM SIGPLAN International Conference on Software Language Engineering (SLE 2025): Co-located with STAF 2025; 2025-06-12-13 – 2025-06-13, Koblenz, Germany

ZuriHac 2025: 2025-06-07 – 2025-06-09, Eastern Switzerland University of Applied Sciences, Rapperswil, Switzerland

Haskell Ecosystem Workshop and the Haskell Implementors' Workshop: Co-located with ZuriHac; 2025-06-06 – 2025-06-06, Eastern Switzerland University of Applied Sciences, Rapperswil, Switzerland

Eleventh International Conference on Fundamentals of Software Engineering 2025 - Theory and Practice (FSEN '25): 2025-04-07 – 2025-04-08, Västerås, Sweden

BOB Conference 2025: “What happens if we simply use what’s best?”; 2025-03-14, Berlin

Functional Conf 2025: 2025-01-24 – 2025-01-25, Online

27th Int'l Symp. on Practical Aspects of Declarative Languages (PADL 2025): Co-located with ACM POPL 2025; 2025-01-20 – 2025-01-21, Denver, Colorado, United States

52nd ACM SIGPLAN-SIGACT Symposium on Principles of Programming Languages (POPL 2025): 2025-01-19 – 2025-01-25, Denver, Colorado, United States

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Recent Events

26th International Symposium on Trends in Functional Programming (TFP 2025): 2025-01-14 – 2025-01-16, Oxford, UK

Trends in Functional Programming in Education (TFPiE 2025): 2025-01-13, Oxford, UK

Functional Conf 2024: 2024-11-21 – 2024-11-23, Bengaluru, India

The 22nd Asian Symposium on Programming Languages and Systems (APLAS 2024): 2024-10-22 – 2024-10-24, Kyoto, Japan

17th ACM SIGPLAN International Conference on Software Language Engineering (SLE 2024): 2024-10-20 – 2024-10-21, Pasadena, California, United States

The 29th ACM SIGPLAN International Conference on Functional Programming (ICFP 2024) and affiliated events: 2024-09-02 – 2024-09-07, Milan, Italy

OOPSLA 2024: OOPSLA 2024 will be held as part of The ACM Conference on Systems, Programming, Languages, and Applications: Software for Humanity (SPLASH'24); 2024-10-20 – 2024-10-25, Pasadena, California, United States

29th ACM SIGPLAN International Conference on Functional Programming (ICFP 2024): 2024-09-02 – 2024-09-07, Milan, Italy

36rd Symposium on Implementation and Application of Functional Languages (IFL 2024): 2024-08-26 – 2024-08-28, Radboud University Nijmegen, The Netherlands

Headlines

Videos of the Haskell Workshop 2007 talks and discussion are now available again (on a different host to previously). They are in QuickTime (H264 video, AAC audio) format, at 320x240 pixels, low frame rate (but still about 120Mb per half-hour talk).

Haskell.org is a mentoring organisation in the 2007 Google Summer of Code. 9 students have been funded by Google to work on infrastructure projects for Haskell.

The Haskell-prime committee has started work on defining the next minor revision of the language specification.

News

Recent Package Updates https://wiki.haskell.org/wikiupload/b/bf/MHvNV.png https://wiki.haskell.org/wikiupload/7/7c/Rss16.png

See here

The Ro/Haskell group and EduSoft are anouncing a special price (8 RON - somewhere between 2-3 euros in local currency) for "Introducere in Haskell 98 prin exemple" by Dan Popa (eng. Introduction in Haskell 98 by examples) 230pp, 24 cm. Tip: You have to answer the question:"What is the name of the romanian Haskell group or it's URL?" Recommanded for readers from Romania and Rep.Moldova. Limited stock. See the [ro] page for details or send an e-mail to : contact@edusoft.ro Price valid untill 21 of december or the end of the stock.

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 Haskell is a modern, general-purpose, [[functional programming|pure functional programming language]] that combines many powerful results from research into a practical programming language.  Its features include:
-* [[typing|Static typing]] increases robustness as the compiler will catch many common errors automatically.
+* [[typing|Static typing]], which increases robustness by allowing the compiler to catch many common errors automatically.
-* Type inference deduces types automatically freeing the programmer from writing superfluous type signatures.
+* Type inference, which deduces types automatically and frees the programmer from writing superfluous type signatures.
-*[[higher order function|Higher order functions]], [[polymorphism]], and [[lazy evaluation]] enable higher levels of abstraction, more compositional, thus more reusable code.
+*[[higher order function|Higher order functions]], [[polymorphism]], and [[lazy evaluation]], which enable higher levels of abstraction and more compositional, thus more reusable code.
-* Purity helps to keep code maintainable, enables [[Introduction_to_QuickCheck|automatic, randomized testing]] and eases [[Concurrency_demos|concurrent programming]] significantly.
+* Purity, which helps to keep code maintainable, enables [[Introduction_to_QuickCheck|automatic, randomized testing]] and eases [[Concurrency_demos|concurrent programming]] significantly.
 Haskell comes with many libraries, freely available [[Implementations|compilers]] for almost any computer, debuggers, profilers, [[Haskell_program_coverage|code coverage]] and testing tools.