Extract useful information from Amiga MED files

Efficient hashing-based container types

Rematch support for unordered containers

Efficient hashing-based container types

Graph library using unordered-containers

A specialization of `HashMap Int v`

Monad transformers that mirror worker-wrapper transformations

Unpacked containers via backpack

An unpacked either data type

An unpacked maybe data type

maybes of numeric values with fewer indirections

optional text that unpacks well

An unpacked these data type

An unpacked validation data type

An attoparsec roundtrip

Compiler plugin for loop unrolling

Create pure futures using lazy IO

Flexible access control for unsafe operations and instances

Like unsafeperformIO, but for the ST monad

Unsatisfiable type class

Solve Boggle-like word games

An extension removing the sequentiality from monads

Utility construction of the graph depending unusable packages

A command line tool to identify unused code

converts between primitives

Unwrapping sums/products lifted to functors

Unzip functions for general Traversable containers

Units of measure as a GHC type-checker plugin

Command-line tool to generate paths for moving upward in a file system

Software management tool

Update all your git repositories with just one command

A style of maintaining and upgrading Haskell projects

Haskell client for Uploadcare

Upload test

Binding to upskirt

Talk to Urbit from Haskell

Talk to Urbit from Haskell

Hoon-style atom manipulation and printing functions

Minimalistic CLI RSS reader

Ur/Web static content generator

Library for working with URIs

Haskell URI parsing as ByteStrings

Aeson instances for URI Bytestring

Read and write URIs (deprecated)

Unicode aware uri-encoding

A uri encoder to make your strings less readable

Read and write URIs (deprecated)

uri-enumerator backend for the file scheme (deprecated)

A simple library for parsing and generating URIs

URI template library for Haskell

Parsing & Quasiquoting for RFC 6570 URI Templates

A library for working with URLs

Memory efficient url type and parser

Decoders for URL-encoding (aka Percent-encoding)

Parse/format generic key/value URLs from record data types

Encoding and decoding of URL slugs

Parallel link checker

Decode percent-encoded strings

Simple, declarative, expressive URL routing -- on happstack

Generate or process x-www-urlencoded data

Painfully simple URL deployment

Universal Resource Names

A package for updatable discrete distributions

XML parser-printer supporting Ur/Web syntax extensions

Communicate with USB devices

Iteratee enumerators for the usb package

Parser and request Library for USB HIDs

A database of USB identifiers

Iteratee enumerators for the usb package

Type-safe communication with USB devices

A collection of user agents

The UserId type and useful instances for web development

A library simplifying user management for web applications

A mysql-haskell backend for the users library

A persistent backend for the users package

A PostgreSQL backend for the users package

Library to test backends for the users library

UTF-8

A string conversion library that assumes utf8

UTF-8 aware substitutes for functions in System.Environment

Unicode

Variants of Prelude and System.IO with UTF8 text I/O operations

Support for reading and writing UTF8 Strings

Constant-space UTF8 validator for ByteStrings

Utilities

Exceptional utilities

See README for more info

A collection of commonly used utils

Primitive memory-related utilities

Utilities for stateful primitive types and types based on them

Utilities for universal types

Generated code for a gRPC interface for UTxO Blockchains

An SDK for clients of the UTxO RPC specification

An SDK for UTxO RPC services

Utilities for compiler construction: core functionality

Utilities for compiler construction: example programs

Utilities for compiler construction: Feedback wrapper around parser in uulib

Utilities for compiler construction: Feedback wrapper around parser in uu-parsinglib