Haskell libraries

Web

• scotty

• servant - DSL for describing, serving, querying, mocking, documenting web applications and more.

• WAI - Interface between Haskell web frameworks and web servers.

DB

• PostgreSQL ORM - Haskell ORM (Object Relational Mapping) and migrations DSL for PostgreSQL.

• Squeal - Deep embedding of SQL in Haskell.

SDKs

• Amazonka - Comprehensive Amazon Web Services SDK.

Other

• generic-lens - Generically derive traversals, lenses, and prisms.

• freer-simple - Friendly effect system for Haskell.

• Capability - Extensional capabilities and deriving combinators.

• Req - Easy-to-use, type-safe, expandable, high-level HTTP client library.

• silica - Haskell optics with type errors useful enough to teach people.

• aeson - Fast Haskell JSON library.

• proto-lens - API for protocol buffers using modern Haskell language and library patterns.