Open-source alternatives to ZipArchive

zlib is a lossless data compression library that implements the deflate compression algorithm, combining LZ77 sliding window and Huffman coding. It provides the core compression and decompression engines, along with support for gzip, zlib, and raw deflate stream formats, enabling data to be compressed and restored without any loss of information. The library offers a range of capabilities for handling compressed data, including single-call memory and file operations, as well as incremental stream-based processing for working with data larger than available memory. It includes mechanisms for a

Archiver is a multi-format archive library and command-line tool for creating, extracting, and managing compressed archives. It provides a unified interface for working with formats including gzip, bzip2, zip, tar, rar, 7zip, and zstandard, and can automatically detect archive formats by inspecting binary byte headers rather than relying solely on file extensions. The library uses interface-based abstractions and a multi-format codec registry to support format-agnostic operations, while its stream-based compression pipeline processes archive data continuously without loading entire archives i

rclone is a command-line utility and sync engine for managing, synchronizing, and migrating files across numerous cloud storage providers. It functions as a storage management tool that enables bidirectional or one-way synchronization between local filesystems and remote cloud backends. The project acts as a unified cloud storage gateway, capable of merging multiple remote providers into a single directory tree. It further provides a filesystem mount to expose remote cloud storage as a local disk for direct operating system access and a transparent encryption wrapper to secure data before it

JMComic-Crawler-Python is a high-performance asynchronous web scraper and API client designed to programmatically retrieve images and metadata from a comic hosting service. It functions as a media archiving tool for batch downloading albums and chapters, automating the process of saving content to a local filesystem. The project is distinguished by its ability to reverse server-side pixel obfuscation, using a decryption tool to reconstruct sliced and shuffled images. To maintain stable connectivity, it utilizes a network bypass utility featuring dynamic domain rotation and proxy routing to ci

Excelize is a Go library designed for reading, writing, and modifying Microsoft Excel files in XML-based formats. It functions as a spreadsheet file parser and generator that enables the programmatic extraction and modification of data. The library includes a streaming spreadsheet processor to handle massive datasets incrementally, preventing system memory exhaustion during large-scale read and write operations. It also provides a chart generator to convert worksheet values or external data sources into visual representations within the spreadsheet. Beyond core file processing, the project c

jsZip is a JavaScript library for creating, reading, editing, and extracting ZIP archives within the browser or Node.js. It functions as an in-memory ZIP compressor and archive manager that generates compressed data streams and blobs from file collections without requiring a local filesystem. The library provides specific support for the ZIP64 extension, allowing it to handle archives and individual files that exceed the four gigabyte limit. It enables the dynamic modification of existing ZIP files to add, remove, or update internal folder structures and metadata. The project covers a broad

UniExtract2 is a suite of tools designed for universal archive extraction, batch decompression, and file format analysis. It retrieves files from various compressed formats, software installers, disk images, and game archives into local directories. The project includes a file format analyzer that identifies file types by scanning internal contents and headers without requiring full extraction. It also features an archive password decrypter that attempts to recover access to protected archives using a predefined list of common passwords. The tool supports bulk decompression workflows through

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

Pako is a pure JavaScript compression library that ports the C zlib library to JavaScript, providing deflate and gzip compression and decompression capabilities. It runs in both browser and Node.js environments by using typed arrays and universal JavaScript, avoiding platform-specific APIs for cross-platform compatibility. The library handles data through bitwise operations for Huffman coding and LZ77 matching, and automatically encodes string inputs to UTF-8 before compression while decoding them back on decompression. It supports streaming chunk-based processing, allowing incremental data h

PeaZip is a cross-platform archive manager and file compression utility. It functions as a tool for compressing, extracting, and managing files across various formats, including 7Z, ZIP, RAR, and TAR. The project includes a specialized archive format converter for adjusting compatibility and compression levels, and a file integrity verifier for calculating checksums and hashes. It provides security tools for protecting data via authenticated encryption and passwords, as well as secure file deletion to permanently erase data from disk space. The application covers a broad range of capabilitie

You-Dont-Need-GUI is a curated reference of terminal commands that replace common graphical interface operations with equivalent shell one-liners. It maps everyday GUI actions—file management, archive handling, system monitoring, and network diagnostics—to standard POSIX utilities like find, grep, and awk, all composed as self-contained shell pipelines. The project distinguishes itself by requiring no external dependencies or installations; every solution runs with built-in shell commands and coreutils. Its documentation follows Unix man-page conventions, presenting each command with a

ClamAV - Documentation is here: https://docs.clamav.net

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

NanaZip is a file archiver designed for the Windows operating system that provides native tools for compressing and extracting data across a wide range of archive formats. It functions as a desktop utility that manages compressed files and folders while adhering to current platform design standards and accessibility requirements. The application distinguishes itself through a focus on system-level security and native integration. It employs manifest-driven policies and strict memory management during decompression to protect against unauthorized code execution and potential vulnerabilities fo

This project is a development template and build system designed for creating browser extensions. It provides a unified framework that allows developers to maintain a single codebase for extensions targeting Chrome, Firefox, and Opera. The tool streamlines the development cycle by normalizing browser-specific manifest requirements and providing a build pipeline that handles asset transformation and dependency resolution. It includes a live-reloading server to facilitate immediate feedback during development and supports the injection of environment variables to manage configuration settings a

Rocky is an open-source enterprise operating system designed for server and cloud infrastructure. It is a community-maintained Linux server distribution that provides a platform focused on stability and security. The project is fundamentally a Red Hat Enterprise Linux compatible operating system, maintaining bug-for-bug binary compatibility to ensure identical software behavior. This allows it to serve as an enterprise-grade platform without proprietary licensing. The distribution covers a broad range of system administration capabilities, including package management via modular repository

Container-db-backup is a container-native utility designed to automate database maintenance, including recurring backups, data restoration, and secure archiving. It operates by executing isolated backup jobs within ephemeral containers, ensuring consistent environments for data protection workflows across multiple database hosts. The tool distinguishes itself through a pipeline-oriented processing model that streams database dumps through compression and encryption stages before storage. It supports flexible storage configurations, allowing data to be directed to local filesystems or remote S

Neo-Backup is an Android application backup tool and rooted device data manager. It creates encrypted copies of application data and system files on rooted devices to preserve application state and settings. The project functions as a backup scheduler, allowing for the automation of periodic data preservation tasks based on custom application lists and fixed timetables. To protect sensitive information, it utilizes password-based encryption to secure backup archives. The system provides capabilities for device-wide data backup and recovery, including the ability to restore applications and t

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

This is a practical, step-by-step guide to Linux system administration, command-line usage, and development environment setup, written from the perspective of a Java developer. The tutorial is structured as a sequence of terminal commands with explanations, teaching system administration through direct modification of plain-text configuration files. It provides separate workflows for CentOS, Ubuntu, and Kali Linux, covering both yum and apt package managers with equivalent commands for each operation. The guide emphasizes a security-first workflow, walking through firewall configuration, SSH

LibreraReader is a multi-format e-book reader and digital library manager designed for mobile and desktop devices. It functions as a customizable document renderer and a text-to-speech document player that converts written text into spoken audio via a configurable speech engine and integrated media player. The project distinguishes itself through a high degree of visual and functional customization, including the ability to inject custom CSS for styling overrides and the use of pluggable rendering engines to balance speed and stability. It includes specialized navigation tools such as a verti

RxTool is an Android development utility library consisting of reusable components and helper classes for common mobile development tasks. It provides a coordinated set of toolkits for hardware interfacing, media processing, and user interface construction. The project features specialized implementations for mobile payment integration with Alipay and WeChat Pay, as well as dedicated tools for social sharing workflows. It includes a security-focused set of human verification widgets, such as puzzle and sliding captchas, to prevent automated bot interactions. The library covers a broad capabi

ImageToolbox is an open-source Android application designed for comprehensive image manipulation and batch processing. It provides a toolkit for performing advanced visual edits, including background removal, geometric transformations, and the application of complex filter chains to prepare image assets. The application distinguishes itself through a modular, pipeline-based architecture that allows for the integration of new processing algorithms as isolated plugins. It leverages native hardware acceleration to handle intensive pixel manipulation tasks and supports asynchronous execution to m

python-docx is an OOXML document manipulation library used for creating, reading, and updating Microsoft Word files. It functions as a generator for building formatted documents and a parser for extracting text, metadata, and structural elements from existing files. The project provides a comprehensive style management system for defining and applying character, paragraph, and table styles within OpenXML documents. It allows for the programmatic control of document appearance through an object-oriented approach to the underlying XML schema. Capabilities cover a wide range of document generat

Android Backup Extractor is a software utility designed to manipulate and transform backup files created via the Android Debug Bridge. It functions as a decryptor and repacker that converts these backups into readable formats for manual data extraction. The tool enables the decryption of protected backup archives using a known password, allowing for the recovery of mobile application data. It also provides the capability to compress directories back into backup archives that are compatible with specific legacy device versions for restoration. The project covers archive conversion, extraction

7-Zip is a data compression tool and file archiver designed for creating and extracting archives. It functions as a utility for reducing the storage requirements of files and folders through high-ratio lossless compression and managing the 7z open-standard format. The software provides capabilities for cross-platform archive management, allowing users to open and create various archive formats across different operating systems. It supports data backup and recovery, as well as the packaging of multiple files into single archives for distribution. The project implements a variety of compressi

This is a high-performance Go compression library providing implementations of Zstandard, Snappy, and Huffman coding. It includes a parallel compression framework for distributing gzip and stream workloads across multiple CPU cores and a specialized Huffman codec optimized for modern CPU architectures. The library features a Zstandard implementation that supports custom dictionaries and allocation-free decoding, alongside a Snappy compatible encoder for high-throughput data processing. It provides specific tools for dictionary generation and optimization to improve compression ratios for smal