Open-source alternatives to Hashids.js

xid is a distributed unique identifier library designed to generate compact, globally unique, and k-sortable identifiers. It functions as a stateless generator that creates identifiers without requiring a central coordinator or network synchronization between instances. The project converts binary identifiers into human-readable, case-insensitive Base32 strings, making the output suitable for use in URLs and web applications. It ensures uniqueness across different processes and hosts by combining high-resolution timestamps with machine identifiers. These identifiers are designed for use as d

AndResGuard is a utility for Android asset optimization, resource shrinking, and resource obfuscation. Its primary purpose is to minimize the final application package footprint by compressing resource files, removing unnecessary data, and optimizing the resource table. The project focuses on preventing reverse engineering by renaming resource types and file names to short, randomized identifiers. It includes mechanisms to preserve specific assets through the use of whitelists and wildcard-driven exclusion patterns, ensuring compatibility with dynamic lookup requirements. Additional capabili

This project is an implementation of the ULID standard in the Go programming language. It provides tools for generating universally unique, lexicographically sortable identifiers that combine millisecond timestamps with random data. The library ensures that identifiers maintain chronological order through alphabetical sorting. It includes a monotonic generator to guarantee that multiple identifiers created within the same millisecond are produced in a strictly increasing sequence. The project covers unique identifier generation and database primary key optimization. It also provides a comman

ksuid is a Go implementation of k-sortable unique identifiers. It provides a system for generating globally unique identifiers that maintain a natural chronological order based on their generation timestamp. The project enables the creation of unique keys across distributed systems without a central coordinator. These identifiers are designed for use as database primary keys to maintain index performance and insert efficiency. The library includes capabilities for identifier serialization and parsing, allowing conversion between binary, text, and SQL formats. It also provides command-line to

This project is a slug generation and management tool for the Laravel Eloquent ORM. It provides a reusable trait that adds the ability to create unique, URL-friendly strings from model attributes, allowing database records to be retrieved using human-readable slugs instead of primary keys. The system supports multilingual URL management by maintaining separate localized slugs for a single model instance. It ensures uniqueness through an automatic collision-avoidance mechanism that appends numeric suffixes to duplicate strings and prevents the use of reserved words that might overlap with syst

bignumber.js is an arbitrary-precision JavaScript library designed to perform mathematical operations on decimals and integers that exceed the limits of standard floating-point numbers. It functions as a decimal arithmetic engine and a math library for calculating square roots, powers, and modular exponentiation. The project provides a base conversion utility capable of parsing and translating numeric values between any base from 2 to 36. It also includes a numeric formatting tool for rendering high-precision values into localized strings with custom separators and notation styles. The libra

sqlean is a collection of SQLite extension libraries implemented as C-based shared libraries. It provides a suite of additional scalar and table-valued functions that expand the native capabilities of the SQLite database engine. The project provides specialized toolsets for cryptography, advanced mathematics, networking, and filesystem access. These include binary hashing and encoding, statistical analysis, IP address validation, and the ability to map CSV files or filesystem paths as virtual tables. The library also includes comprehensive text processing tools such as regular expressions, f

Obfuscar is a .NET assembly obfuscator and managed code protector designed to prevent reverse engineering of compiled binaries. It functions as a binary metadata compressor and security tool that renames symbols and encodes strings to protect intellectual property. The project distinguishes itself by altering the Common Intermediate Language structure and modifying assembly metadata tables to hide implementation details. It provides string-to-buffer encoding to prevent plain-text analysis of constants and includes a strong-name re-signing mechanism to ensure modified assemblies remain valid a

This project is a comprehensive repository of fundamental computer science algorithms and data structures designed as a reference for academic study, technical interview preparation, and competitive programming. It provides standardized implementations of core computational strategies, serving as an educational resource for developers to master software engineering fundamentals and algorithmic problem-solving. The collection distinguishes itself through a multi-language approach, offering cross-language solutions for complex tasks ranging from graph traversal and dynamic programming to bitwis

Lancet is a comprehensive extension of the Go standard library, providing a collection of reusable functions and data structures designed to reduce boilerplate code in applications. It serves as a general-purpose toolkit across multiple domains, including concurrency, security, networking, and functional logic. The project distinguishes itself through specialized toolkits for Go concurrency, such as keyed locking and channel-based stream processing, and a dedicated functional programming kit that supports currying and function composition. It also includes a dedicated cryptography library imp

OffensiveRust is a red team toolkit and malware development kit written in Rust. It serves as an evasion framework and post-exploitation library, providing a collection of offensive security primitives and a Windows API wrapper for interacting with low-level system functions and undocumented APIs. The project focuses on bypassing security software through direct system calls, memory obfuscation, and stealthy payload execution. It implements techniques to defeat static binary analysis via compile-time string encryption and payload obfuscation, while avoiding detection using parent process ID s

Kinto is a cloud state backend designed for storing and synchronizing JSON data across multiple devices. It provides a centralized service for managing schema-less JSON records organized into buckets and collections, ensuring a consistent state through a REST API. The system supports collaborative data sharing by granting read and write access to specific documents or collections via user groups and permissions. It enables document synchronization using change feed tracking and deletion markers to update clients with the latest state. Capabilities include fine-grained access control, JSON sc

FeHelper is a web browser extension toolbox and frontend development toolkit integrated into Chrome, Firefox, and Edge. It serves as a data transformation utility, a web page debugging tool, and an AI-powered coding assistant. The project distinguishes itself by integrating local models and OpenAI-compatible APIs to write, refactor, and repair code directly within the browser. It also provides capabilities for generating TypeScript schemas and Zod definitions from data samples using AI. The toolkit covers a broad range of developer utilities, including network debugging for HTTP and WebSocke

ZenML is an orchestration platform designed for building, deploying, and monitoring reproducible machine learning pipelines and agentic workflows. It provides a unified framework that manages the entire lifecycle of machine learning assets, from data processing and model training to the deployment of persistent inference services. By decoupling pipeline logic from underlying compute and storage, the platform enables teams to transition workflows seamlessly from local development environments to production-grade cloud infrastructure. The platform distinguishes itself through a service-oriented

Effector is a reactive state management library designed for building complex, event-driven applications. It functions as a data flow engine that models application logic as a directed acyclic graph, ensuring that state updates propagate automatically through interconnected nodes. By utilizing atomic state updates and declarative unit composition, the library maintains data consistency and provides a predictable execution model for managing application state. The project distinguishes itself through its framework-agnostic architecture, which decouples business logic from user interface implem

PagesCMS is a headless, Git-based content management system that uses a GitHub repository as its primary database. It provides a web interface for authoring and organizing structured files and media assets, transforming flat files in a repository into a structured content management environment. The system automates repository access and content updates through GitHub App integration and manifests. It features a schema-driven approach to map repository files and folders to specific editor fields, allowing for the management of static site content without a separate database. Capability areas

This library provides a centralized system for managing and rendering transient alert messages within React applications. It functions as a frontend notification manager, using a provider-based architecture to track, update, and remove status alerts through a standardized reactive interface. The system distinguishes itself by allowing developers to replace default alert designs with custom components, ensuring that feedback elements align with specific application branding and design systems. It utilizes portal-based rendering to mount notifications outside the main component hierarchy, ensur

This repository is a collection of JavaScript coding challenges and a comprehensive interview guide. It provides reference implementations and educational examples designed to help developers master language fundamentals and prepare for technical interviews. The project covers a wide array of specialized implementations, including functional programming patterns like currying and partial application, as well as asynchronous patterns for concurrency control. It also includes practical examples of Document Object Model manipulation and the implementation of common data structures such as stacks

ZenML is an extensible machine learning orchestration framework designed to manage the end-to-end lifecycle of data pipelines and AI agent workflows. It functions as a durable orchestrator that executes machine learning tasks as directed acyclic graphs, ensuring that every step is containerized for consistent performance across local, cloud, and hybrid infrastructure. By decoupling pipeline code from underlying compute and storage backends, the platform allows developers to define infrastructure-agnostic stacks that remain portable across diverse environments. The project distinguishes itself

Reagent is a framework for building web user interfaces using ClojureScript and React.js. It enables a functional programming approach to declarative UI design, where HTML structures and component hierarchies are defined using vector-based Hiccup syntax instead of JSX. The project differentiates itself through a reactive state management system based on atoms. It tracks which components dereference specific state atoms to trigger automatic re-renders and provides state cursors to isolate updates to specific paths of a larger state atom. It also includes utilities for wrapping native JavaScrip

Nanoid is a library for generating unique, fixed-length identifiers designed for distributed systems and database indexing. It produces compact, URL-safe strings by mapping random byte values to a custom character set, allowing for consistent memory allocation and predictable indexing performance across independent nodes without the need for central coordination. The library distinguishes itself by utilizing system-level, cryptographically secure entropy sources to ensure that every generated identifier is statistically unpredictable. This approach provides resistance against collision attack

This project is a PHP debugging toolbar and runtime inspector that provides a browser-based interface for monitoring system metrics, memory usage, and execution time during web development. It functions as an application performance monitor and diagnostic tool, capturing real-time data and application state to visualize the PHP execution lifecycle. The tool distinguishes itself through its ability to persist debug data across multiple requests, allowing for request history tracking and the archival of previous sessions. It supports the inspection of AJAX requests and manages data persistence

Mongoid is an object-document mapper for Ruby that translates Ruby objects into MongoDB documents. It serves as a document database mapper and client library, providing a structured way to manage data persistence and retrieval within a NoSQL environment. The project distinguishes itself by offering advanced data retrieval tools, including vector search for semantic similarity and full-text search for keyword matching. It implements high-security data protection through client-side field-level encryption, encryption key rotation, and TLS connection security to protect sensitive information. B

Radash is a TypeScript functional utility library designed for data transformation, validation, and workflow management. It provides a collection of typed helper functions to manipulate arrays, objects, and strings. The project features an asynchronous workflow toolkit for managing promises, retries, and concurrency limits, alongside a suite of boolean validators for verifying primitive types, objects, and promises. It also implements functional programming patterns such as function composition, partial application, and error-first response patterns. The library covers a broad surface of cap

Tenancy is a multi-tenancy framework for Laravel applications designed to support SaaS architectures. It provides a comprehensive system for implementing tenant data isolation, allowing developers to choose between dedicated multi-database schemas or single-database scoping via traits. The project distinguishes itself through a robust resource isolation model that extends beyond the database to include filesystems, Redis stores, and caches. It features an event-driven lifecycle orchestrator for automating tenant provisioning and a flexible identification middleware that resolves tenants via d

Kùzu is an embedded property graph database engine designed for high-performance analytical queries and local data management. It operates as a library within the host application process, utilizing a columnar-based storage architecture and just-in-time query compilation to execute complex graph traversals and pattern matching efficiently. By mapping database files directly into system memory, it ensures data durability and high-speed access while maintaining ACID-compliant transactional integrity. The engine distinguishes itself by integrating vector similarity search and full-text search di

This project is a technical resource and pattern library for building enterprise applications with Python. It serves as a guide for implementing clean architecture, providing a framework for separating core business logic from infrastructure and external frameworks. The material focuses on Domain-Driven Design and the application of architectural patterns to maintain complex business requirements. It provides specific guidance on the Repository pattern for data abstraction, Command-Query Responsibility Segregation for optimizing read and write paths, and the use of dependency inversion to dec