Open-source alternatives to PhoneNumberKit

This project is a Python port of the libphonenumber library, providing a suite of tools for parsing, formatting, and validating international phone numbers. It converts raw phone number strings into structured objects based on international numbering plans and verifies if numbers are possible or valid according to digit length and assigned exchange prefixes. The library provides metadata services to retrieve the original network carrier, geographical location descriptions, and associated time zones for specific phone numbers. It also includes tools for transforming numbers into standardized i

intl-tel-input is an international telephone input widget that provides a country-aware phone number entry experience with automatic formatting, validation, and E.164 normalization. It combines a searchable country picker with a format-as-you-type engine and a validation rule engine that checks numbers against country-specific patterns, returning machine-readable error codes when a number is invalid. The project ships as both a zero-dependency vanilla JavaScript library and as framework-specific components for React, Vue, Angular, and Svelte, all sharing the same core logic through a framewor

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

imaskjs is a JavaScript input mask library and DOM input manager used to enforce specific patterns, data types, and ranges on user input in real-time. It serves as a data formatting library and input validation tool that transforms raw input values into formatted strings using masks and custom pipes. The project provides dynamic masking capabilities, allowing input patterns to change or switch in real-time based on the characters a user types. It supports complex input constraints including regular expressions, numerical ranges, date-based verification, and character enumerations. The librar

User input masking library repo.

sqlparse is a Python library for the programmatic analysis and manipulation of SQL statements. It provides a non-validating parser that breaks down SQL text into tokens and a utility to divide strings containing multiple queries into individual statements. The project includes a code formatter that reorganizes SQL statements using consistent indentation and keyword casing. It also provides mechanisms for automating this formatting and linting process through version control hooks to maintain code consistency.

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

This is a regular expression library designed for the validation and identification of mobile phone numbers from mainland China. It provides the structural rules and digit constraints necessary to verify that phone numbers follow the correct regional format. The library includes specific patterns to determine the telecommunications provider based on regional prefixes. It also features filters to distinguish between standard voice numbers and IoT or data-only plans. The project covers broad data validation capabilities, including input format verification and carrier identification.

This project is a jQuery input mask plugin and library used for enforcing specific formats on form fields and HTML elements. It functions as a form input masking and sanitization tool that restricts character entry and automatically inserts delimiters for patterns such as dates and phone numbers. The library supports flexible masking through optional and recursive patterns that expand or contract based on the volume of data entered. It provides dynamic mask management, allowing formatting rules to be changed or removed on existing elements without reloading the page. The tool includes capabi

Arktype is a TypeScript runtime validation library and schema orchestrator. It synchronizes TypeScript types with runtime data validation, allowing users to define type-safe schemas that ensure unknown data adheres to specific structures during application execution. The project distinguishes itself by using set-theory type analysis to determine intersections and subtype compatibility, alongside JIT-compiled validation functions for optimized performance. It supports advanced type modeling through branded type constraints, recursive alias resolution, and the ability to generate runtime valida

text-mask is a JavaScript library for enforcing consistent text formats and dynamic masking patterns in web input fields. It provides a suite of utilities to constrain text field entries to predefined masks and validators, ensuring data consistency across multiple frontend frameworks including React, Angular, and Vue. The library supports dynamic pattern generation using functions to handle variable data formats and localized patterns. It includes capabilities for processing bulk text entries, such as pasted content and browser auto-fill data, while maintaining the integrity of the defined in

PhoneInfoga is an open-source intelligence tool and information framework used to gather public data and metadata about phone numbers. It functions as a scanner that utilizes open-source intelligence techniques to identify carriers, line types, and owner reputations for international numbers. The system provides a web-based interface for performing research without a command line, alongside a REST API gateway for programmatically triggering scans and retrieving intelligence data. Its architecture supports a plugin-based model, allowing the integration of custom modules to expand data sources.

Pen is a visual WYSIWYG markdown editor and live editing interface that converts markdown patterns into rich text elements in real-time. It serves as a tool for markdown content authoring and transforming editor state into standard markdown strings for export. The editor features a customizable text interface with a formatting toolbar for text-styling actions. It includes systems for hyperlink management and the automatic conversion of specific character sequences into structured headings, lists, blockquotes, and code blocks during the input process. The project provides capabilities for rea

This project provides a visual credit card form UI component and payment input visualizer. It creates an interactive checkout interface that displays a dynamic visual representation of a credit card, updating in real time as users enter payment details into a form. The interface includes localized payment capabilities, allowing the replacement of default labels and validation messages with custom strings to support multiple languages. Users can customize visual fields and input placeholders to control the default text and symbols displayed during the checkout process. The system manages real

Inputmask is a JavaScript library that serves as a client-side input formatter and form input validator. It constrains text input fields to specific formats, such as phone numbers and dates, to ensure data consistency. The project provides guided text entry and user input validation to prevent formatting errors. It standardizes how structured information is entered in web browsers to support more reliable server-side processing. The library manages data validation and formatting by enforcing predefined patterns on user entry. It handles real-time input interception, cursor-position tracking,

This project is a jQuery-based form validation library designed to verify HTML form input values on the client side before submission. It functions as an input validator that enforces data integrity constraints through rule-based verification and value normalization. The library focuses on web accessibility compliance by linking error messages to input fields via ARIA attributes, ensuring that screen readers can announce validation failures to the user. The system supports the creation of custom validation rules and the transformation of raw input strings through a normalization pipeline. Co

validator.js is a JavaScript string validation and sanitization library. It provides a set of functions to verify that strings match specific patterns—such as emails, URLs, and alphanumeric formats—and a toolkit for cleaning and transforming text input to remove prohibited characters and trim whitespace. The library includes utilities for standardizing email addresses by lowercasing domains and removing sub-addressing markers. It also functions as an HTML entity escaper, replacing special characters with entities to prevent the browser from executing text as code. The project covers capabili

Taiga UI is an Angular UI component library and accessible design system used for building enterprise web interfaces. It provides a comprehensive collection of reusable interface elements and layout tools, functioning as a mobile-first UI kit with responsive components that adapt to different device capabilities. The library distinguishes itself through an integrated data visualization library featuring various chart types and a dedicated form management framework with built-in validation and formatting for specialized data. It also features AI-driven development workflows by integrating comp

uillayouts is a comprehensive design system consisting of interactive components, responsive templates, motion-enhanced UI kits, and advanced visual effect toolkits. It provides a collection of accessible React UI components and pre-designed layout sections for landing pages. The project is distinguished by a specialized visual effects library and motion-driven components. It features high-performance graphical enhancements such as glassmorphism, mesh gradients, noise overlays, and SVG masking, alongside interactive elements that utilize physics-based animations and cursor-tracking effects.

Pothos is a code-first GraphQL schema builder and framework designed for type-safe development. It allows developers to construct schemas using typed definitions in TypeScript, eliminating the need for external code generation steps. The framework distinguishes itself through a dedicated data mapper that connects GraphQL types to relational databases and ORMs, such as Prisma, while optimizing query resolution. It provides a full implementation of the Relay specification, including global object identification and cursor-based pagination. The project covers several core capability areas, incl

ozzo-validation is a programmable data validation library for Go that verifies structs, maps, and primitive types using a declarative, rule-based approach. It functions as an interface-based validator, allowing for the recursive checking of nested data structures and custom types without the use of struct tags. The framework distinguishes itself as a context-aware validation engine, supporting the propagation of request-scoped data to rules that depend on external state. It provides extensive extensibility through custom rule definitions and the ability to override default failure text with l

NSString+FontAwesome

Parse, query and modify XML easily in go

A declarative struct-tag-based HTML unmarshaling or scraping package for Go built on top of the goquery library