Open-source alternatives to Numeral Js

This library provides a set of tools for formatting numeric values and masking user input within React components. It includes a customizable text input wrapper that synchronizes raw numeric values with formatted display strings and a specialized input masking component for enforcing string patterns and templates during data entry. The project features a localized number formatter that utilizes browser localization APIs to apply regional grouping, prefixes, and suffixes. It supports specialized financial formatting, such as displaying negative values in parentheses, and provides the ability t

go-humanize is a Go library for converting raw numbers, byte sizes, and durations into natural language strings to improve human readability. The project provides specialized formatters for byte sizes using SI or IEC standards and a relative time formatter that transforms durations into descriptions such as three days ago. It also includes an SI unit formatter for converting numeric values to and from International System of Units prefixes and symbols. Beyond technical units, the library includes English natural language utilities for pluralizing nouns, generating ordinal numbers, and joinin

vue-i18n is an internationalization framework and plugin for Vue.js applications. It serves as a dynamic translation manager and localization formatting library used to translate user interface text and format dates and numbers for global audiences. The project distinguishes itself through a dynamic translation workflow that supports asynchronous locale loading and the ability to reload translation messages in real-time without refreshing the page. It provides specialized mechanisms for rich text rendering, allowing the interpolation of HTML tags and Vue components directly into translated st

This repository is a comprehensive collection of reference implementations and sample libraries for the Universal Windows Platform. It provides practical examples of how to use Windows Runtime APIs to build cross-device applications, including detailed guidance on XAML-based declarative user interfaces and DirectX-integrated rendering. The project distinguishes itself by providing a wide array of hardware integration suites, covering low-level communication with USB, Serial, I2C, SPI, and GPIO peripherals. It includes specialized implementations for mixed reality holographic rendering, advanc

decimal.js is a JavaScript arbitrary precision library designed to perform mathematical calculations without the rounding errors associated with standard floating-point numbers. It provides a high-precision math toolkit for executing basic arithmetic and advanced transcendental functions with configurable significant digits. The library implements decimal-based math that supports various rounding modes and arbitrary precision settings. It includes a numeric string parser for converting decimal, hexadecimal, binary, and octal strings into high-precision numeric types, as well as a utility for

The RAW JavaScript Quaternion library

Odometer is a JavaScript number animation library and frontend UI tool designed to create fluid counting effects. It functions as a numerical transition component that updates numbers on a page using animated rolling or sliding transitions. The library focuses on numerical value animation and data transition effects, allowing users to transition smoothly between two numerical values. This is used for updating metrics and key performance indicators in dynamic dashboard visualizations to avoid abrupt jumps in data displays.

money.js is a tiny (1kb) javascript currency conversion library, for web & nodeJS. (MOVED)

The RAW JavaScript library to work with polynomials

The RAW rational numbers library written in JavaScript

The RAW Complex.js is a complex numbers library written in JavaScript

A lightweight JavaScript library for number, money and currency formatting. (MOVED)

GSAP is a comprehensive JavaScript animation library designed for orchestrating complex motion sequences and interactive user interfaces. It provides a robust property-interpolation engine that calculates intermediate values for CSS styles, attributes, and numeric properties, enabling smooth visual transitions across web elements. The framework is built on a core architecture that manages animation lifecycles, timeline-based sequence orchestration, and virtual property interception to ensure precise control over motion. The library distinguishes itself through a modular, plugin-based extensib

Cleave.js is a JavaScript library that applies real-time visual formatting to form fields as users type. It provides specialized utilities to enforce visual patterns for credit cards, phone numbers, dates, times, and large numerals. The library includes predefined formatting rules for common data types, such as detecting credit card issuers to apply correct spacing and managing country-specific regional patterns for international phone numbers. It also supports large numeral grouping using Western, Indian, and Chinese numbering systems. Users can define custom input patterns using specific b

accounting.js is a JavaScript library and utility suite for formatting localized numbers and currency strings, rounding decimal values, and parsing currency strings. It provides tools to transform numeric values into human-readable strings using language-specific separators and custom symbols. The library includes a currency string parser to extract raw numerical values from formatted strings by removing symbols and separators. It also features a floating point rounding tool designed to prevent binary precision errors during financial calculations. Additional capabilities cover the vertical

SwiftDate is a date manipulation library for the Swift programming language. It provides a toolkit for parsing, validating, and formatting dates, times, and timezones. The library includes a relative time generator for producing date offsets based on reference points such as tomorrow or next week, and a localized date formatter for transforming date objects into human-readable strings across multiple languages and locales. It also features an ISO8601 date parser to convert standardized date strings from SQL, HTTP, and ISO8601 formats into structured objects, alongside tools for managing timez

CountUp.js is a lightweight JavaScript library that animates a numerical value from zero to a target number over a configurable duration with smooth easing. It supports both count-up and count-down transitions, making it a focused tool for displaying animated numerical changes on web pages. The library distinguishes itself through support for bidirectional number animation, custom easing functions, and locale-aware number formatting with configurable separators, decimal points, and digit groupings. It also offers plugin-based rendering, allowing developers to replace the default display logic

Vega-Lite is a high-level declarative language for specifying interactive, multi-view visualizations. It compiles a concise JSON specification into a full Vega visualization, automatically inferring scales, axes, and legends from encoding declarations. The grammar-of-graphics encoding maps data fields to visual channels such as position, color, size, and shape, while a multi-view composition grammar enables layered, faceted, concatenated, and repeated layouts. Reactive parameter binding links named parameters to input widgets, selections, and expressions for dynamic updates. The project suppo

LaravelShoppingcart is a backend package for Laravel applications that provides an e-commerce state manager and a calculation engine. It manages product selections and quantities while computing subtotals, taxes, and final price totals. The system supports multi-cart context management, allowing the simultaneous maintenance of separate lists such as primary shopping carts and wishlists. It utilizes unique identifiers to persist and restore cart states across user sessions. The package includes tools for item management, model association for linking items to database entities, and a filterin

This project is a programming education resource and a collection of vintage game ports. It provides a library of classic computer game implementations and algorithmic problems translated into modern memory-safe scripting languages for educational study and execution. The collection focuses on the implementation of game logic and the practice of fundamental computer science algorithms. It includes diverse examples of procedural content generation, such as random mazes and text-based art, alongside mathematical visualizations. The project covers a wide array of simulation categories, includin

XlsxWriter is a library for generating spreadsheets in the XLSX format, functioning as an Excel workbook writer and file generator. It provides the capability to write data, apply cell formatting, and build complex layouts across multiple worksheets. The project distinguishes itself with a memory-optimized writing mode that flushes large datasets to disk row-by-row, enabling the creation of files exceeding 4 GB while minimizing RAM consumption. It also includes a specialized mechanism for embedding binary project files and digital signatures to enable VBA macros and signed scripts within work

Dollar is a functional programming library for Swift that provides a comprehensive toolkit for collection manipulation, string processing, mathematical calculations, and date and time management. It serves as a utility suite for filtering, aggregating, and restructuring arrays and dictionaries. The project implements functional programming patterns such as currying, memoization, and function composition. It also features a chainable wrapper interface that allows multiple data transformations to be applied sequentially before extracting a final result. The library covers a wide range of capab

Davinci is a business intelligence and data visualization platform used for building interactive dashboards and reports. It functions as a SQL-based dashboard builder and multi-tenant analytics service that connects to databases via JDBC and CSV files to transform raw data into visual components. The platform is distinguished by its granular security model, which includes row-level and column-level permissions integrated with LDAP and OAuth2 authentication. It also provides an embedded visualization tool that allows secure, parameterized charts and dashboards to be inserted into external appl

PRQL is a functional, modular data transformation language that serves as a compiler for relational data pipelines. It allows developers to write expressive, pipelined queries that are translated into standard SQL dialects. By abstracting complex data manipulation into a readable, sequential syntax, the project enables the construction of maintainable workflows that remain independent of specific database engines. The language distinguishes itself through a robust compilation infrastructure that performs type validation and relational algebra analysis before generating target-specific code. I

i18next is a JavaScript localization library and internationalization framework used to translate application text into multiple languages. It functions as a dynamic translation manager that handles translation resources, language detection, and the mapping of unique keys to localized strings. The system features a pluralization and interpolation engine that applies language-specific grammatical rules for numeric counts and injects dynamic variables into strings. It utilizes a plugin-based backend architecture to load and cache translation namespaces from various sources, including remote ser

Ark is a headless UI component library that delivers accessible, cross-framework primitives with behavior governed by finite state machines. It provides unstyled components that encapsulate logic and accessibility — including full keyboard navigation, focus management, and WAI-ARIA support — while leaving visual styling entirely to the consumer. Components expose scoped data attributes for CSS targeting and use state machines to produce predictable, testable interactive behavior across every state transition. The library distinguishes itself through a state propagation model that distributes

Lodash is a JavaScript utility library and data manipulation toolkit. It provides a collection of modular functions for transforming, filtering, and validating arrays, objects, strings, and numbers. The project functions as a functional programming toolkit, offering capabilities for function composition, currying, and lazy evaluation. It includes mechanisms for execution control, such as debouncing and throttling, to manage the timing and frequency of function invocations. The library covers a broad surface of data operations, including deep cloning and merging of complex nested structures,