Open-source alternatives to Evercookie

This project is a mobile network security auditor and IMSI catcher detector designed to identify fake base stations and surveillance hardware attempting to intercept mobile traffic. It functions as a radio interface analyzer and cellular tower mapping tool, monitoring connections to detect unauthorized network infrastructure. The system distinguishes itself by combining real-time threat level monitoring with the ability to identify silent SMS and stealth communications used for device tracking. It analyzes ciphering status to detect forced network downgrades to weaker encryption standards and

elFinder is a JavaScript-based web file manager that provides a browser interface for organizing and manipulating files and folders on remote servers. It functions as a backend-agnostic storage interface, utilizing a common API and a JSON-based protocol to translate browser requests into various server-side language commands. The system decouples the front end from physical storage through a multi-backend interface and volume-driver abstraction. This allows the file explorer to connect to different server-side languages and storage volume drivers to manage data across diverse environments. T

Papra is a self-hosted document management system designed for digital archiving, organization, and retrieval. It serves as a centralized platform for storing files with a focus on security, providing an encrypted file archive using AES-256-GCM and a programmatic interface for managing documents and metadata via a REST API, SDK, and command line tools. The system distinguishes itself through an automated document ingestion engine that imports files via email forwarding, monitored folders, and webhook listeners. It further enhances discoverability by acting as an OCR document indexer, extracti

This PHP caching library provides a key-value storage abstraction designed to reduce application computation time by storing and retrieving frequently accessed data. It implements the PSR-6 standard for caching interfaces to ensure interoperability between different libraries. The project includes a legacy cache adapter that wraps modern standardized cache pools. This allows systems in transition to maintain compatibility by converting between legacy caching implementations and unified interfaces. The library covers a range of storage capabilities, including a filesystem cache store for pers

This project is a cache abstraction layer and interface standard for PHP, specifically defining the PSR-6 caching specification. It establishes a consistent set of type definitions and contracts for cache items and pools to ensure interoperability between different PHP libraries. The specification prevents vendor lock-in by separating high-level caching logic from low-level storage implementations. This allows different caching backends to be swapped without requiring changes to the application code. The project focuses on PHP cache standardization and library interoperability through the us

Filegator is a web-based file manager and self-hosted file sharing portal. It functions as a cloud storage gateway that allows users to organize, upload, and download files across local disks and various cloud storage providers through a single unified interface. The system features a multi-backend authentication provider capable of verifying identities via JSON files, databases, or external directory services. It includes a role-based access control system that manages user permissions, assigns home folders, and restricts access to specific files and system routes. The platform provides cap

PicList is a cloud image upload manager and storage file browser designed to facilitate image hosting for Markdown documents. It serves as a bridge between document editors and cloud providers, providing a local server that accepts image uploads and returns formatted Markdown or HTML links. The tool features an image preprocessing pipeline that applies watermarks, compression, and custom renaming patterns before files are uploaded. It supports synchronization of application settings, image albums, and plugins across multiple devices using WebDAV and Git. The system manages files across vario

This project is a pure Go implementation of the Git version control system, providing a library for integrating versioning and history analysis into applications. It functions as a complete repository manager and object store that does not require external binary dependencies. The implementation utilizes interface-based storage, allowing repositories to be managed on disk or entirely in memory. It supports a transactional storage model to ensure atomic operations and implements a content-addressable storage system using delta-compression packfiles. The library covers a broad range of version

EmDash is an open-source content management system built on Astro that combines a visual admin panel with a plugin-driven architecture and server-side rendering. It provides a complete content management system with structured content modeling, a rich text editor using Portable Text format, and a TypeScript API for type-safe content queries. The system supports authentication through passkeys, OAuth 2.1, and external providers, with role-based access control and fine-grained permission scopes. What distinguishes EmDash is its plugin development framework, which supports both native plugins ru

nano-graphrag is a retrieval system that uses knowledge graphs to provide structured context for large language model responses. It functions as a knowledge graph indexer that transforms unstructured text into a network of entities and relationships, as well as a hybrid graph retrieval system. The project differentiates itself by combining local neighborhood searches with global community summaries to answer complex natural language questions. It includes a knowledge graph visualizer that generates HTML representations of entities and their relationships to map indexed knowledge. The framewo

SpiceDB is a distributed permission store and relationship-based access control system. It provides a scalable database for storing and querying fine-grained authorization relationships, implementing a consistency model inspired by Google Zanzibar to manage access rights across large-scale applications. The system uses a dedicated schema language to define the rules and logic governing how relationships translate into permissions independently of application code. It functions as a pluggable authorization engine that persists relationship tuples in external relational databases such as Postgr

This project provides a self-hosted remote cache server designed to store and share build artifacts across distributed development teams and continuous integration pipelines. By acting as a centralized proxy for build outputs, it enables teams to synchronize task results, effectively minimizing redundant execution and accelerating build times for monorepo projects. The system distinguishes itself through a modular architecture that supports diverse storage backends, allowing artifacts to be persisted on local disks or integrated with various cloud-based object storage providers. It incorporat

ToyDB is a distributed SQL database that provides a system for storing and querying data across multiple nodes. It focuses on maintaining strong consistency and fault tolerance through the implementation of a distributed consensus algorithm. The project distinguishes itself by supporting historical data versioning, enabling time-travel queries to retrieve the state of the database from a specific point in the past. It utilizes multi-version concurrency control to manage ACID transactions and ensure data integrity during concurrent operations. The system covers relational data modeling with t

APScheduler is a Python task scheduler designed to execute functions at specific times or recurring intervals. It functions as an asynchronous background scheduler and distributed job dispatcher, allowing tasks to run concurrently with application lifecycles and web server request handling. The system distinguishes itself through a persistent job store that saves schedules and task states in external databases, ensuring continuity across process restarts. It separates task scheduling from execution by dispatching jobs to distributed workers in separate processes to prevent execution bottlenec

Keys is a library and command-line utility designed for the generation, storage, and lifecycle management of cryptographic keys. It provides tools to create asymmetric key pairs, perform digital signature verification, and implement authenticated encryption to ensure the confidentiality and integrity of sensitive data. The project distinguishes itself by offering a secure storage abstraction that decouples application logic from underlying key storage mechanisms. By utilizing standardized cryptographic protocols, it enables consistent identity verification and data protection across diverse c

sccache is a compiler cache wrapper and distributed compilation cache designed to store and reuse compilation results. It functions as a specialized caching solution for the Rust compiler, as well as a general tool to avoid redundant build cycles and reduce total build time. The project distinguishes itself through a cloud-backed build cache and remote storage backends. It enables the synchronization of build artifacts across multiple machines or team members using distributed memory caches or cloud object storage. Supported storage backends include local file systems, WebDAV, and a wide arr

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

Open-event-server is a comprehensive event management platform designed to coordinate conferences and meet-ups through a centralized administrative dashboard. It provides a unified system for organizing speaker schedules, managing session details, and overseeing the logistical execution of events from planning to completion. The platform distinguishes itself by integrating secure financial gateways to process registration fees and attendee transactions directly within the application interface. It also features an authentication service that delegates user verification to external social medi

This project is a Laravel integration for the Dompdf rendering engine, providing a tool to convert HTML and CSS templates into PDF documents. It functions as a wrapper that allows Laravel applications to generate downloadable or streamable PDF files from web-standard content. The library includes specialized tools for producing PDF/A-3b compliant documents intended for long-term electronic preservation. This archival capability includes the ability to embed XML metadata and attachments, which supports electronic invoicing standards for digital business transactions. The software covers a bro