#immutable

Immutable persistent data collections for Javascript which increase efficiency and simplicity.

The official, opinionated, batteries-included toolset for efficient Redux development

A fork of frozendict, an immutable wrapper around dictionaries for Python3

⏰ Day.js 2kB immutable date-time library alternative to Moment.js with the same modern API

A JS library for predictable global state management

Immutable and statically-typeable DataFrames with runtime type and data validation

Create the next immutable state by mutating the current one

Dataflow programming language where you write a program as a message-passing graph and everything runs in parallel by default. It has strong static types, compiles to machine code, interoperates with Go, and supports visual programming with a node editor. Extremely LLM-friendly too.

TypeScript immutable data management library

Node.js module to iteratively freeze objects, arrays, and functions

Merges the enumerable properties of two or more objects deeply. Fastest implementation of deepmerge

A Functional Library for TypeScript based on Scala

Makes life working with units of measurement just a little bit better.

:clock2: Immutable date and time library for javascript

Modern Python framework for functional programming and structured concurrency. Developed by Miquido.

ESLint plugin to disable all mutation in JavaScript and Typescript... 2

Fluent, immutable SVG rendering for PHP: shapes, text, gradients, filters, masks, and sanitized inline SVG.