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zxcvbn is a password strength estimator and entropy analyzer designed to evaluate the complexity of passwords. It calculates the time and effort required to crack a password by identifying common sequences and analyzing predictable vocabulary.
The main features of dropbox/zxcvbn are: Password Entropy Analyzers, Entropy Calculators, Dictionary-Based Pattern Matching, Password Complexity Validation, Strength Analyzers, Password Security Auditing, Cracking Strategy Simulation, Custom Vocabulary Penalties.
Projects with overlapping indexed features include: parse-community/parse-server — Parse Server is a backend-as-a-service solution and Node.js framework that provides a ready-to-use REST and GraphQL… bitwarden/android — This project is an Android password manager application that provides an end-to-end encrypted vault for storing and… openwall/john — John is a command-line security utility designed for password strength auditing and cryptographic hash recovery. It… jack-cherish/machine-learning — This project is a collection of supervised and unsupervised machine learning algorithms implemented from scratch using… fastapi-users/fastapi-users — FastAPI Users is a ready-to-use authentication library for FastAPI applications that handles user registration, login,… tdlib/td — This project is a cross-platform messaging SDK and client development library used to build custom Telegram…
Parse Server is a backend-as-a-service solution and Node.js framework that provides a ready-to-use REST and GraphQL API for mobile and web applications. It functions as a core backend infrastructure for managing database schemas, user authentication, and API routing. The system distinguishes itself with a real-time data engine that pushes database updates to clients via WebSockets and a GraphQL server that automatically generates schemas based on application data models. It also features an adapter-based storage layer that abstracts interactions with various cloud and local backends. The pla
This project is an Android password manager application that provides an end-to-end encrypted vault for storing and synchronizing login credentials, secure notes, and identities. It functions as a secure storage system using zero-knowledge encryption to ensure that only the user can decrypt their stored data. The application integrates directly with the Android system to provide an autofill service that populates usernames and passwords into mobile apps and browser login fields. It also serves as a passkey management wallet for FIDO2 cryptographic passkeys and a time-based one-time password a
John is a command-line security utility designed for password strength auditing and cryptographic hash recovery. It functions as a professional tool for identifying weak user credentials and recovering access to protected files, archives, and private keys across various operating systems, databases, and applications. The software distinguishes itself through a high-performance architecture that utilizes processor-level vector instructions to perform parallel cryptographic operations. It incorporates a rule-based mutation engine that transforms dictionary words into complex candidates based on
FastAPI Users is a ready-to-use authentication library for FastAPI applications that handles user registration, login, password reset, email verification, and profile retrieval with minimal configuration. It provides a complete authentication system built around pluggable backends and transports, supporting JWT tokens, database sessions, and Redis-based token storage that can be combined in a single route. The library distinguishes itself through its modular architecture, offering router-based module composition that organizes authentication flows as independent FastAPI routers for registrati