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#functional-programming

Every repository in the public record carrying this tag — from its GitHub topics or the keywords its package registries publish. Health is measured under the same versioned methodology as the rest of the record.

49 records
Tagged “functional-programming”Ranked by health index
Go · npm
67Goodhealth index
anzellai/sky
Sky — an Elm-inspired language that compiles to Go. Hindley-Milner types, server-driven UI (Sky.Live), single binary output.
Go · Haskell · Elm★ 428Jul 23, 2026
Apache-2.0Jul 23, 2026 · metrics 2.10.0
npm
67Goodhealth index
madkarmaa/results-ts
Rust's Result and Option types, for TypeScript
TypeScript★ 3↓ 6,453/moJul 15, 2026
MITJul 15, 2026 · metrics 2.10.0
NuGet
65Goodhealth index
louthy/language-ext
C# pure functional programming framework - come and get declarative!
C#★ 7,084Aug 28, 2026
MITAug 28, 2026 · metrics 2.10.0
npm
62Moderatehealth index
a-synchronous/rubico
[A]synchronous Functional Programming
JavaScript★ 283↓ 4,364/moSep 4, 2026
Custom licenseSep 4, 2026 · metrics 2.10.0
Maven
62Moderatehealth index
landawn/abacus-common
Release the power in Java programming
Java★ 107Aug 28, 2026
Apache-2.0Aug 28, 2026 · metrics 2.10.0
PyPI
59Moderatehealth index
Kalin-Rudnicki/Oxygen
Helpful utilities for scala developers.
Scala★ 9Jul 24, 2026
No licenseJul 24, 2026 · metrics 2.10.0
Hex
59Moderatehealth index
nshkrdotcom/claude_agent_sdk
An Elixir SDK for Claude Code - provides programmatic access to Claude Code CLI with streaming message processing
Elixir★ 34Jul 17, 2026
MITJul 17, 2026 · metrics 2.10.0
57Moderatehealth index
crowdhailer/eyg-lang
The safest scripting language for you, or your agent.
Gleam★ 320Jul 17, 2026
Apache-2.0Jul 17, 2026 · metrics 2.10.0
npm
57Moderatehealth index
jap-company/fields
Scala validation library
Scala★ 49Jul 31, 2026
Apache-2.0Jul 31, 2026 · metrics 2.10.0
PyPI · crates.io
53Moderatehealth index
4thel00z/dizzle
Rust-powered functional toolkit for Python: toolz-compatible API, Option/Result types, and a fluent Iter — benchmarked faster than cytoolz
Rust · Python★ 0↓ 30/moJul 20, 2026
MITJul 20, 2026 · metrics 2.10.0
Hex
53Moderatehealth index
nshkrdotcom/json_remedy
A practical, multi-layered JSON repair library for Elixir that intelligently fixes malformed JSON strings commonly produced by LLMs, legacy systems, and data pipelines.
Elixir★ 33↓ 2,708/moJul 17, 2026
MITJul 17, 2026 · metrics 2.10.0
npm
48Weakhealth index
lean-mind/monads
A set of monads created with TypeScript using an OOP approach
TypeScript★ 6↓ 87/moJul 17, 2026
MITJul 17, 2026 · metrics 2.10.0
PyPI
45Weakhealth index
spork-it/spork-pds
Fast, Immutable Persistant Data Structures for CPython 3.10+
C · Python★ 1↓ 4,329/moAug 30, 2026
MITAug 30, 2026 · metrics 2.10.0
Hex
39Weakhealth index
nshkrdotcom/ALTAR
The Agent & Tool Arbitration Protocol
Elixir★ 9↓ 11.5K/moJul 17, 2026
MITJul 17, 2026 · metrics 2.10.0
npm
38Weakhealth index
martino-kevo/executor-fn
A lightweight function wrapper with optional state, history, undo/redo, and reset support. Use like a normal function or unlock powerful time-travel features.
JavaScript★ 0↓ 2,087/moJul 24, 2026
MITJul 24, 2026 · metrics 2.10.0
PyPI
34At Riskhealth index
EntilZha/PyFunctional
Python library for creating data pipelines with chain functional programming
Python★ 2,488Aug 13, 2026
MITAug 13, 2026 · metrics 2.10.0
PyPI
34At Riskhealth index
Suor/funcy
A fancy and practical functional tools
Python★ 3,509Aug 13, 2026
BSD-3-ClauseAug 13, 2026 · metrics 2.10.0
PyPI
19Criticalhealth index
rustedpy/result
NOT MAINTAINED - A simple Rust like Result type for Python 3. Fully type annotated.
Python★ 1,680↓ 2.6M/moAug 13, 2026
MITAug 13, 2026 · metrics 2.10.0
PyPI
9Criticalhealth index
vlasovskikh/funcparserlib
Recursive descent parsing library for Python based on functional combinators
Python★ 360↓ 208.3K/moAug 22, 2026
MITAug 22, 2026 · metrics 2.10.0