Open-source alternatives to Libphonenumber

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

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.

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.

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

GhostTrack is an open-source intelligence (OSINT) framework that aggregates geographic, network, and social identity information from public data sources. It functions as a digital footprint analyzer, collecting various pieces of publicly available information to build comprehensive profiles of target individuals. The framework combines multiple investigative capabilities into a single tool, including IP address geolocation, phone number intelligence, and social media username discovery. It distributes queries across external data services to maximize coverage and accuracy, resolving IP addre

Dataset, charts, models of 4 digit mobile number prefixes in India by state, operator name.

Your friendly e-mail address validation library (Git mirror)

Address is a Go library that validates and formats addresses using data generated from Google's Address Data Service

A PHP addressing library, powered by CLDR and Google's address data.

Google’s postal address library, powering Android and Chromium

:postal_horn: Parse, normalize and render postal addresses.

SMSBoom is an automated SMS bomber and bulk messaging tool designed to send a rapid succession of text messages to a target phone number or a list of multiple recipients. It functions as a bulk SMS sender that automates the dispatch of large volumes of text messages. The project manages mass communication workflows through automated text dispatch and bulk messaging capabilities. It utilizes a system for sending messages to multiple recipients simultaneously via automated messaging systems. The tool handles message dispatching via HTTP requests to third party gateways, employing concurrent re

Android SMS Gateway is a self-hosted messaging infrastructure that transforms Android devices into programmable gateways for sending and receiving SMS and MMS messages. By exposing a local RESTful API and an SMPP bridge, the project enables developers to integrate cellular messaging capabilities directly into their own applications without relying on third-party cloud providers. The platform distinguishes itself through advanced traffic management and orchestration features designed for high-volume messaging. It includes a multi-SIM routing engine that distributes outgoing traffic across mult

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

RSSHub-Radar is a browser extension designed for the discovery and identification of RSS and RSSHub feeds on web pages. It functions as a feed detector that scans websites to locate compatible RSSHub routes and content sources. The project acts as an integration bridge, allowing users to export discovered feeds directly to third-party RSS reading platforms via a one-click subscription process. This facilitates a content aggregation workflow by simplifying how users find and collect diverse web content sources for streamlined consumption.

Django Oscar is a domain-driven e-commerce framework built on Django for constructing custom online stores. It provides a purpose-built admin dashboard for managing e-commerce operations including products, orders, customers, and promotions, replacing the default Django admin interface. The framework includes a flexible promotions engine for creating multi-buy, bundle, and percentage discounts with custom conditions and benefits, along with a configurable order status and transition system that supports split payments, multi-batch shipping, and deferred payment capture. The framework is desig

This project is a library of source code implementations designed to solve algorithmic challenges and mathematical problems. It serves as a collection of solved LeetCode problems, providing a reference for data structure usage and efficient logic. The repository is a polyglot code collection, implementing the same algorithmic logic across various programming environments, including general-purpose languages, SQL for database queries, and Bash for shell scripting. The content covers a broad range of computational tasks, including data querying, text processing, and the implementation of compl

Vocode-core is a framework for building real-time conversational AI voice agents. It serves as a conversational orchestrator and pipeline that integrates speech-to-text, large language models, and text-to-speech services to enable low-latency voice interactions. The project features a provider-agnostic interface that allows for swappable speech and language model providers, including support for both cloud APIs and local binaries. It distinguishes itself through a specialized telephony integration layer that enables agents to be deployed across phone lines, WebRTC, and virtual meeting platfor

This project is an automated service designed for the management, validation, and distribution of live television stream sources. It functions as an integrated pipeline that collects disparate media feeds and organizes them into structured, standardized playlists compatible with various third-party media players. The system distinguishes itself through continuous background operations that maintain content reliability. It performs active network probing to test latency and connectivity, automatically pruning broken or unreliable links. Simultaneously, it acts as a middleware layer that interc

Presidio is a PII detection and anonymization framework designed to identify and mask personally identifiable information in text. It functions as a PII recognition pipeline and a data masking engine, using a combination of machine learning, regular expressions, and rule-based logic to locate sensitive entities. The system acts as an NER model orchestrator, allowing for the integration of external named entity recognition models and PII detectors to support multi-language privacy scrubbing. It employs a plugin-based recognizer architecture that can be extended with custom recognizers, deny-li

Regexr is a web-based regular expression IDE designed for building, testing, and debugging patterns. It functions as a testing tool to validate expressions against sample text and a learning tool that provides an interactive guide and a built-in cheat sheet for studying syntax. The platform includes a community regex library, which is a searchable repository of user-contributed patterns. This enables the discovery, sharing, and reuse of proven matching logic through a public directory and collaborative sharing links. The tool supports real-time pattern construction with syntax highlighting a

Tika is a content analysis toolkit and Java library designed for detecting and extracting metadata and text from thousands of different file types. It functions as a universal document text extractor and metadata extraction engine, converting complex files into plain text or XHTML. The system employs a specialized MIME type detector that identifies document formats using magic bytes and metadata to determine the correct parser. It serves as an OCR integration gateway, connecting to external text recognition tools to extract content from image files. The project covers a broad range of extrac

Invidious is a privacy-focused, self-hosted alternative frontend for mainstream video platforms. It operates as a decentralized network of independent instances that provide a lightweight, ad-free interface for consuming media. By acting as a proxy between the user and the content provider, the platform prevents tracking and data collection while maintaining a familiar browsing experience. The project distinguishes itself through its robust suite of network-level traffic management and anonymization tools. It employs techniques such as IP rotation, reverse proxy stream routing, and integratio

Piped is a privacy-focused video streaming service and self-hosted media proxy. It allows users to watch video and audio content without advertisements, user tracking, or the requirement of official accounts. The project utilizes a decentralized server network to distribute workloads and rotate outbound IP addresses, which helps bypass regional content restrictions and prevent provider blocks. It includes the ability to identify and skip sponsored segments within media files for a cleaner viewing experience. The service provides a JSON API for third-party integration to fetch video streams,

TubeArchivist is a self-hosted YouTube video archiving system and metadata indexer. It functions as a personal media library and download manager that allows users to create a searchable offline collection of videos, channels, and playlists. The system distinguishes itself by indexing subtitles, comments, and channel information for full-text search and retrieval. It features automated media synchronization to track subscriptions and playlists, ensuring new content is automatically queued and downloaded as it is published. The project provides a broad set of capabilities for digital asset ma

This library is a type-safe Kotlin framework designed for building automated messaging services on the Telegram platform. It provides a comprehensive toolkit for developers to create interactive bots that handle incoming updates, manage chat interactions, and execute automated workflows on the JVM. By abstracting the underlying network communication, the library allows for the development of sophisticated messaging applications using native language features. The framework distinguishes itself through a functional approach to API interaction, utilizing algebraic data types to represent succes

Scala.js is a compiler and cross-platform language toolchain that transforms Scala source code into JavaScript or WebAssembly. It functions as a statically typed tool for the JavaScript ecosystem, enabling the development of applications for web browsers and Node.js environments. The project serves as a JavaScript interop framework, allowing the creation of type-safe facades and bindings to interact with external libraries and global objects. It provides mechanisms for both static and dynamic JavaScript invocation, including the generation of TypeScript bindings and the ability to export inte