Erik de Castro Lopo

A Haskell library for writing HTTP and HTTPS proxies.

No description.

A haskell library providing Word128 and Int128 types

Haskell library for accessing the /proc filesystem in Linux

My Cardano DREP information

A newtype around ByteString, for base64 encoding.

An experiment in re-implementing big integers in Haskell.

Generate a cabal freeze file from a stack.yaml

Haskell version of jsmin js minifier

No description.

A demo of the usage of Haskell's ExceptT monad transformer

Build scripts and patches to build GHC git HEAD against LLVM git HEAD (ie next version of llvm)

No description.

A fast Haskell serialization/de-serialization library

Sound wave editor

A Haskell library for managing nested resources.

Get your IO right on the first try

A Haskell implementation of the Tor protocol.

multiset haskell package

Visualize live Haskell data structures in GHCi

Priority Search Queues in three different flavors for Haskell

No description.

Playing with Haskell distributed-process library

Quick benchmark of Data.Primitive.ByteArray against Data.Primitive.Array

A collection of minimal projects designed to demonstrate the shortcomins of Haskell's REPLs

Code to demonstrate a GHC performance bug

Forked from https://bitbucket.org/gward/vcprompt

A pull-based approach to streaming data.

Industrial-strength monadic parser combinator library

A benchmark for hasql

The fastest PostgreSQL libpq-based driver for Haskell

Hedgehog will eat all your bugs.

Native Haskell gRPC client and server based on `http2`

ASGARDEX desktop wallet and decentralized exchange for THORChain, 100% open-source

Official upstream development repository for Cabal and cabal-install

🐹 Fast, lightweight & configurable chain-index for Cardano.

Haskell's IO simulator which closely follows core packages (base, async, stm).

❇️ A WebSocket JSON/RPC bridge for Cardano

(Deprecated) JSON Pointer library for Haskell

JSON Schema Draft 4 library (DEPRECATED)

Functional Programming Course

API for protocol buffers using modern Haskell language and library patterns.

Fast linear time sorting and discrimination for a large class of data types

phantom types

A Haskell library for on-disk tables based on LSM-Trees

No description.

A grab bag of useful functions for use with Template Haskell

An optimized rust lib for a POC vector commitment scheme over a BLS based PCS

Generalized bananas, lenses and barbed wire

A declarative Unix terminal UI library written in Haskell

The Haskell Lightweight Virtual Machine (HaLVM): GHC running on Xen

Reproducer for https://gitlab.haskell.org/ghc/ghc/-/issues/

Library provides the functions to find unique and duplicate elements in the list

Library for generating Haskell source files and code fragments.

Generate cryptographic nonces.

ASN1 Raw/BER/DER/CER reader/writer in haskell

Checked conversions between integral types

transformers-either

Maps using values' monoidal structure during merging

Reproducer for https://gitlab.haskell.org/ghc/ghc/-/issues/25872

Literate Haskell support for Markdown

Provide embedded swagger UI for servant and swagger

Empire strikes back

A library and executable for manipulating Nix Archive files

Binary serialisation in the CBOR format

This is a template repository for kickstarting your plutus-tx smart contract project. Please refer to the README.md for more information.

Haskell library for space- and time-efficient operations over Unicode text.

An efficient implementation of Int-indexed arrays (both mutable and immutable), with a powerful loop optimisation framework .

Deriver for unboxed vectors using Template Haskell

OpenSSL binding for Haskell

Classes for types where we know all the values

Memory-efficient representation of Unicode text strings

Lenses, Folds, and Traversals - Join us on web.libera.chat #haskell-lens

A fast Haskell library for parsing ByteStrings

A fast Haskell JSON library

Efficient hashing-based container types

A lightweight (but compatible with ‘lens’) lenses library

Convenience functions and template haskell for working with constraints

Backports of GHC deriving extensions

Haskell 98 bifunctors, bifoldables and bitraversables

Uniform interface to reified data type information via Template Haskell

Fake dependent types in Haskell using singletons

Orphan instances for Template Haskell datatypes

Derive Template Haskell's Lift class for datatypes.

Desugars Template Haskell abstract syntax to a simpler format without changing semantics

Expands type synonyms in Template Haskell ASTs

Backward- (and forward-)compatible Quote and Code types

A high-level ncurses alternative written in Haskell

A Haskell library for creating, printing and parsing UUIDs

Integrate inspection-testing into tasty test suites

Tasty integration for the Hedgehog property testing library

GHC-9.12 bug reproducer

a library for parallel programming

Library for handling directories

Generically newtype to use with DerivingVia

Fixpoint data types

Run IO operations asynchronously and wait for their results

Arbitrary-precision floating-point numbers represented using scientific notation

Extra Haskell functions

Pre-processor for .hsc files

Library for tracking system metrics

JSON encoding of ekg metrics

Remote monitoring of running processes over HTTP

haskell memory

Inspection Testing for Haskell

A Haskell library for line input in command-line programs. http://trac.haskell.org/haskeline

DSL for attaching documentation to persistent entities

Test monadic programs using state machine based models

Haskell Web Application Interface

Remote monitoring of Haskell processes

Haskell bindings to libsystemd-journal

Prometheus.io Haskell client.

Safety for the pipes ecosystem

Main repository for the servant libraries — DSL for describing, serving, querying, mocking, documenting web applications and more!

Persistence interface for Haskell allowing multiple storage methods.

Compact regions library for Haskell

GUI framework that uses the web browser as a display.

Efficiently parse and produce common lexemes: namely integral and fractional numbers.

A typed, persistent store for values of arbitrary types

No description.

Shell programming, Haskell style

Framework for running and organising QuickCheck test properties and HUnit test cases

An implementation of Python's doctest for Haskell

Encode a ByteString as a hexidecimal Text value, or decode hexidecimal Text as a ByteString.

Memoization of class members in Haskell.

Dependently-typed finite maps (partial dependent products)

Nat, Fin, Vec

Converting to/from HTTP API data like URL pieces, headers and query parameters.

Diffing of (expression) trees.

Fast loops for Haskell (for when GHC can't optimize forM_), with benchmarks

Inline C & Objective-C in Haskell

A lexical analyser generator for Haskell

An aggregation of all online content related to Haskell.

Case insensitive string comparison

Integer logarithms, originally split from arithmoi package

Haskell package for handling various feed (RSS) formats.

Snap integration for the websockets library

A Haskell library for creating WebSocket-capable servers

No description.

Metadata for Cardano's Haskell package repository

Haskell bindings to Colin Percival's scrypt implementation.

Isomorphism typeclass solving the conversion problem

Unix/Posix-specific functions for ByteStrings.

Function generation for Hedgehog

effectful sequences of bytes; an alternative no-lazy-io implementation of Data.ByteString.Lazy

Haskell plotting library

Diagrams standard library

Time-varying values with start and end times.

Core types and utilities

Dependent sums and supporting typeclasses for comparing and displaying them

A class for types that can be converted to a hash value

Algebraic graphs

Composable, streaming, and efficient left folds

A monadic DSL for simple configuration parsing

A purely functional ring data structure for Haskell.

Haskell Pretty-printer library

Wadler/Leijen pretty printer with annotations and API conforming to modern Haskell

Template Haskell code to generate instances of classes in some package

Existential type.

A comprehensive collection of Char-to-bytes text encodings

An ingredient for tasty that prints a summary and outputs junit xml that works with jenkins.

Non-empty Vectors

Haskell QuasiQuoter for String Formatting

Pure Haskell implementation of SplitMix pseudo-random number generator

Software Transactional Memory

An either-or-both data type, with corresponding hybrid error/writer monad transformer.

💂‍♂️ Lightweight pure validation based on Applicative and Selective functors

A sensible starting Prelude template.

Adversary testing of your plutus contract

Guess at which human language a text is written in.

Assorted concrete container types

No description.

An experimental wrapper around Hoogle and cabal to generate project specific indexes

A powerful but simple library for measuring the performance of Haskell code.

Read and write the zebra file format used for blizzard snapshots.

OSS-Fuzz - continuous fuzzing of open source software.

TLS/SSL implementation in haskell

smallcheck: test your Haskell code by exhaustively checking its properties

Hoogle terminal UI brick example app

Fast serialization in haskell

Simple Haskell interface to TLS secured WebSockets

semirings and *-semirings of types in base/haskell-platform

POSIX functionality

A terminal user interface programming library similar to graphical interfaces such as GTK and QT. (DEPRECATED, see https://github.com/jtdaugherty/brick)

A Haskell kernel for IPython.

NixOps deployment configuration for IOHK devops

No description.

The Happy parser generator for Haskell

New home of Esqueleto, please file issues so we can get things caught up!

constraint level if statements

Bifunctors over monad transformers.

Run lifted IO operations asynchronously and wait for their results

Source code of summer.haskell.org

Logging library to provide more convenient, extremely configurable but simple monadic interface with pretty output

No description.

The Monad Transformer Library

The github API for Haskell

DNS libary in Haskell

No description.

Instances for QuickCheck classes