Open-source alternatives to NanaZip

gdu is a command line disk usage analyzer and interactive disk profiler used to scan directories and visualize space consumption across file systems. It functions as a file system management tool that allows for the identification and removal of large files and folders to free up storage. The tool features a cursor-based interface for navigating directory structures and archives. It provides a storage cleanup workflow that enables the deletion of selected items directly from the analysis view, utilizing parallel execution to reduce I/O wait times. The application supports recursive directory

UPX is a command-line utility designed to reduce the file size of compiled programs and shared libraries. It functions as an executable binary compressor that maintains the ability for files to run natively without requiring additional runtime dependencies or external decompression software. The tool operates by parsing executable headers and applying entropy-based compression to code segments. It achieves this by injecting a self-extracting stub into the binary, which facilitates in-place memory decompression during the initial execution phase. This process includes platform-specific binary

This project is a Unix backup orchestrator used for modeling and executing full-stack data protection. It functions as a management system for database dumps, encrypted archiving, version rotation, and remote storage transport. The system distinguishes itself by orchestrating native system tools for various databases, including PostgreSQL, MySQL, MongoDB, Redis, and Riak. It employs a secure archive workflow that combines compression and encryption using GPG, OpenSSL, or AES before transporting packages to S3-compatible services, Dropbox, or remote servers via SFTP and RSync. Broad capabilit

ZipArchive is a Swift library and file utility designed for compressing and extracting files into zip archives on iOS, macOS, and tvOS. It serves as a programmatic wrapper for managing file system operations and archive creation on Apple platforms. The library supports the creation of password-protected archives using symmetric-key encryption to secure data during storage or transfer. It allows for the control of compression levels and supports the handling of large file sizes. The toolset covers core archive capabilities including the creation of compressed files from data buffers and the e

Paperless-ng is a self-hosted document management system designed to archive physical paperwork as searchable digital files. It functions as a private server for scanning, indexing, and organizing a digital library of documents through a web interface. The system acts as an encrypted file archive, utilizing a privacy guard backend to secure stored documents. It provides automatic on-the-fly decryption during the download process to ensure that archived records remain protected while in storage. The platform incorporates optical character recognition to convert scanned images and PDFs into se

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

Keka is a file compression and archive extraction utility designed for macOS and iOS. It functions as a tool to shrink the size of files and folders to optimize storage and speed up data transfers. The application serves as an encrypted archive manager, allowing users to protect compressed files with passwords and encryption to ensure private data sharing and secure transmission. The software covers broad capabilities in file archiving, including the ability to compress data into archival formats and unpack various archive formats to restore original content to the local system.

KodExplorer is a web-based file manager and remote server administration tool that provides a desktop-like interface for organizing and managing files in a browser. It functions as an enterprise file sharing platform and an online document previewer, allowing users to view hundreds of file formats without local software installations. The system is distinguished by a plugin-based API gateway that exposes RESTful endpoints for third-party integrations and custom functional extensions. It also includes a browser-based code editor with syntax highlighting and autocomplete for over 120 languages,

MaterialFiles is a graphical Linux file manager and system utility designed for local file management, archive manipulation, and system administration. It provides a filesystem interface for navigating directories, inspecting file attributes, and managing local files. The application supports privileged root access to manage restricted system files and directories. It includes specialized tools for Linux system administration, such as inspecting security contexts, symbolic links, and file permissions. The utility features a network file client for connecting to remote servers and managing fi

This project is a command-line utility designed for secure, content-addressable data archiving. It functions as an encrypted backup tool that stores data as deduplicated chunks, ensuring that every piece of information is identified by a cryptographic hash to maintain integrity across all backups. By applying strong encryption and message authentication codes to both data and metadata, the software prevents unauthorized access and detects potential tampering. The tool distinguishes itself through a backend-agnostic storage abstraction that allows users to maintain repositories across diverse

Paperclip is an ActiveRecord file attachment manager that links database models to files stored on local disks or cloud storage. It functions as a system for managing file attachments, a fingerprinting system for detecting duplicates and verifying integrity, and a MIME type validator to ensure uploaded files match allowed formats. The project features an image processing pipeline that uses command-line utilities to automatically generate thumbnails and scaled versions of images based on predefined dimensions. It also provides S3 compatible file storage for managing attachments in Amazon S3 an

AllAboutBugBounty is a curated collection of bug bounty techniques and payloads for web application security testing. It serves as a reference resource covering common web vulnerabilities and exploitation methods for security researchers, providing a structured approach to identifying and exploiting web application security flaws in bug bounty programs. The repository covers a wide range of attack categories including authentication bypass, cross-site scripting injection, server-side request forgery, web cache poisoning, and business logic abuse. It includes techniques for bypassing access co

ngxluawaf is an OpenResty web application firewall that uses Lua to filter malicious HTTP requests and block web attacks. It operates as a programmable request filter and IP access controller for Nginx, providing a security layer to identify and block unauthorized scanners, fuzzing attempts, and abnormal network requests. The project includes capabilities for HTTP layer 7 DDoS mitigation by restricting request frequency per IP address. It further secures the environment by restricting access to sensitive archives and blocking script execution in upload directories to prevent data leakage.

This project is a collection of specialized HTTP servers designed for static file hosting, secure file uploads, and encrypted web traffic. It provides implementations for delivering local files and directories over HTTP and HTTPS, including support for index pages and single-page application routing. The software differentiates itself through dedicated server roles, including a secure file upload server with size limits and token validation, and an HTTPS web server that utilizes PKCS#12 certificates for TLS encryption. It also includes a specialized gateway for managing cross-origin resource

GSL is a Guidelines Support Library for C++ that provides a set of types and functions designed to implement the C++ Core Guidelines. It functions as a framework for improving code safety and portability across different platforms. The library provides a contract-based programming model to verify program invariants through precondition and postcondition assertions. It includes specialized wrappers for null-pointer safety and bounds-checked memory views to prevent buffer overflows and invalid memory access. The project also covers safe integer conversion to prevent data truncation and provide

Active Storage Validations is a library for Ruby on Rails that provides model-level validation helpers for file attachments. It integrates directly into the standard validation lifecycle to ensure that uploaded content conforms to defined business requirements before it is persisted to storage. The framework enforces constraints on file size, content type, dimensions, and the number of attachments. It includes security mechanisms to detect and block content-type spoofing by inspecting the binary signature of files to verify that their actual format matches the declared extension. Beyond basi

This project is a server-side PHP library designed for managing file uploads and performing automated image processing. It provides a structured toolkit for ingesting, validating, and migrating files from temporary staging areas to permanent storage while enforcing security constraints. The library distinguishes itself through a configuration-driven pipeline that executes a sequence of transformations on image buffers. It supports a wide range of geometric adjustments, including resizing, cropping, and rotation, alongside advanced visual enhancements such as watermarks, color adjustments, and

react-native-windows is a framework and rendering system used to build native desktop applications for Windows using React. It functions as an extension that brings a mobile-first development model to the Windows desktop environment, mapping React components directly to native Windows interface elements. The project enables the creation of desktop software through a declarative component-based architecture. It integrates React Native projects into the Windows ecosystem by translating components into native user interface elements rather than using web views. The framework covers cross-platfo

This project is a Docker volume backup tool and data lifecycle manager that archives volume data to local storage, SSH, or cloud providers. It operates as a containerized backup orchestrator and companion container that coordinates volume snapshots and manages the restoration of data for disaster recovery. The tool distinguishes itself through integrated security and consistency controls, utilizing GPG or age encryption to secure archives before remote transmission. It ensures data integrity by managing container states, such as stopping services or running database dump utilities via lifecyc

Masuit.Tools is a comprehensive static utility library for .NET and ASP.NET Core development. It provides a broad collection of reusable helper methods and infrastructure components that cover common programming tasks without requiring dependency injection or instance management. The library is organized as flat utility classes, making its functionality directly accessible from anywhere in a project. The toolkit distinguishes itself through a wide range of integrated capabilities that go beyond typical utility libraries. It includes a multithreaded range-request file downloader with pause and

nb is a command-line note manager and personal knowledge management system that organizes plain-text documents and web bookmarks. It functions as a Markdown knowledge base, allowing users to create a structured collection of information through a shell-scripted interface. The system uses Git for versioning and synchronization, tracking full revision history and enabling the sync of notebooks across multiple devices via remote repositories. It provides security for sensitive data through AES-256 or GPG encryption and supports document conversion into various publishing formats using the Pandoc

jrnl is a command-line journaling tool used for recording dated entries and managing personal journals directly from a terminal. It functions as an encrypted plain-text journal system that protects private entries through encryption and integration with native system keychains. The project includes a calendar-based activity tracker that visualizes entry frequency and patterns using a heatmap layout. It also serves as a data utility for exporting journal entries into formats such as Markdown, JSON, YAML, and XML. The system supports multi-journal management for different life areas and provid

Pika Backup is a desktop utility for Linux that provides a graphical interface for managing file archiving tasks. It facilitates the creation of encrypted, deduplicated, and incremental backups to both local and remote storage destinations, ensuring data redundancy and protection against hardware failure. The application functions as a desktop client for the underlying storage engine, allowing users to schedule recurring backup operations and manage snapshots through a native interface. It integrates with system services to handle background task orchestration, power management, and hardware

This project provides a comprehensive set of language bindings that enable direct interaction with the Windows API and Windows Runtime components from Rust. It serves as a native interface for systems programming, allowing developers to execute system functions and access operating system services while maintaining memory safety and idiomatic language constructs. The library utilizes metadata-driven code generation to map the entire Windows API surface area into type-safe wrappers. By employing a zero-cost abstraction layer, it ensures that these high-level calls compile to the same machine i

AssetStudio is a desktop application designed for browsing, inspecting, and extracting assets from proprietary game engine archive files. It provides a comprehensive interface for navigating complex file structures to identify, preview, and export individual media components such as textures, audio, and 3D meshes. The software distinguishes itself through its ability to parse and reconstruct serialized object hierarchies and script data. By resolving assembly dependencies and traversing internal metadata trees, it translates proprietary game data into standard industry formats, including supp

FlareSolverr is a proxy server designed to provide programmatic access to websites protected by automated security challenges and firewall restrictions. It functions by orchestrating headless browser instances to render web pages, execute JavaScript, and retrieve the necessary cookies and content required to bypass common security hurdles. The service distinguishes itself by maintaining persistent browser sessions in memory, which allows for the reuse of authenticated states across multiple requests. It integrates with external captcha resolution services to handle interactive security challe

This project provides a comprehensive, modular framework for auditing and hardening personal digital and physical security. It functions as a structured, platform-agnostic knowledge base that breaks down complex security standards into granular, actionable tasks. By utilizing a static documentation architecture, the project ensures that its guidance remains accessible and transparent, allowing users to track their security posture incrementally through a persistent, manual progress-tracking system. The project distinguishes itself by bridging the gap between digital cybersecurity and physical