streamGo Stream, like Java 8 Stream.
treeckoA collection of functional and immutable helpers for working with tree data structures.
vallangGeneric immutable recursive data representation API targeted at source code models and more.
snapSnap Programming Language
saltThe compilation target that functional programmers always wanted.
Latte-lang100% Java compatibility and Functional Programming.
aproposFast strong typed 'Either' data structure for typescript and flow
sqlconstructFunctional approach to query database using SQLAlchemy
ramda🦋Practical functional Go
vectorA PHP functional programming library.
linqjsPerform queries on collections in the manner of C#s System.Linq in JavaScript
microFunctional prooph for microservices
hermes-jsUniversal action dispatcher for JavaScript apps
vec-la-fp↗️ A tiny (functional) 2d linear algebra library
deptoolkitThe Toolkit API, app, and browser extension. Start preserving now.
FunkyFunky is a functional utility library written in Objective-C.
polyrpcPolyRPC, A multi-tier functional programming language
pedsType safe persistent/immutable data structures for Go
FTAPIKitDeclarative and generic REST API framework using Codable.
morphmorph😱 Isomorphic transformations. Map, transform, filter, and morph your objects
pruneA tree library for Java 8 with functional sensibilities.
dart maybeNo more null check with an dart equivalent of Maybe (Haskel, Elm) / Option (F#).
bablJSON templating on steroids
dotvariantA type-safe and space-efficient sum type for C# (comparable to discriminated unions in C or C++)
fnA functional web framework
chip-8A CHIP-8 Emulator written in Haskell
futilsUtilities for generic functional programming
pipePipe operator for nim.
nancyHow JavaScript Promise Works
ekzo💫 Functional Sass framework for rapid and painless development
justuseJust use() code from anywhere - a functional import alternative with advanced features like inline version checks, autoreload, module globals injection before import and more.
pyfuncolFunctional collections extension functions for Python
ugoSimple and expressive toolbox written in Go
ParsecSharpThe faster monadic parser combinator library for C#
typed-preludeReliable, standards-oriented software for browsers & Node.
tushNo description or website provided.
penThe parallel, concurrent, and functional programming language for scalable software development
lunala💎│ The official Lunala's source code! Yet a modern space exploration bot.
fnFunctional library for PHP with proper currying
kanjiA strongly typed GraphQL API framework
hawkweedYet another implementation of missing functions for Python
taoA statically-typed functional language with generics, typeclasses, sum types, pattern-matching, first-class functions, currying, algebraic effects, associated types, good diagnostics, etc.
ObservableComputationsCross-platform .NET library for computations whose arguments and results are objects that implement INotifyPropertyChanged and INotifyCollectionChanged (ObservableCollection) interfaces.
pocketlangA lightweight, fast embeddable scripting language.
when-switchJavaScript functional implementation of switch/case