A community-driven Ruby coding style guide documenting best practices for readable, maintainable code, serving as the authoritative reference behind RuboCop linting rules.rubocop
zlib is a general-purpose, thread-safe data compression library implementing the zlib, deflate, and gzip formats, widely embedded as a dependency across languages and applications.madler
The command-line interface for WordPress. It lets administrators and developers install plugins, manage themes, migrate data, run database search-replace operations, and more without opening a browser.wp-cli
The Linux kernel source tree: the core of Linux operating systems that manages hardware and system resources. It is aimed at kernel developers, maintainers, researchers and distribution builders rather than end users.torvalds
Proxychains-NG hooks socket calls in dynamically linked programs via LD_PRELOAD and redirects TCP connections through SOCKS4/5 or HTTP proxies, supporting chained and randomized proxy lists.rofl0r
A desktop GUI for the Chocolatey Windows package manager that lets users browse, install, update and uninstall packages and view package details.chocolatey
The official MusicBrainz desktop tagger that identifies music via acoustic fingerprints and the MusicBrainz database, then cleans up metadata and cover art.metabrainz
A terminal-based email client built on the notmuch indexer with multi-account support, PGP encryption, and a highly customizable keyboard-driven workflow for daily use.pazz
OpenCart is a free open-source PHP e-commerce platform that gives merchants a reliable foundation to launch and grow professional online stores.opencart
rbenv seamlessly manages Ruby versions per project on Unix-like systems, switching runtimes via shims based on .ruby-version with simple plugin customization.rbenv
Memacs extracts metadata from emails, browser history, SMS, git logs, and other personal data sources and turns it into Org-mode files for life logging.novoid
Liquibase is a database schema change management tool that tracks, versions and deploys schema migrations with rollback support and CI/CD integrations.liquibase
phpRedisAdmin is a simple web interface for managing Redis databases. It lets you browse and edit keys across multiple Redis servers and is easy to deploy via Composer or Docker.erikdubbelboer
The official .NET binding of SFML, giving C# and VB developers the library's cross-platform windowing, graphics and audio APIs through NuGet packages.SFML
OpenSC is an open-source smart-card middleware and toolset exposing PKCS#11 and MiniDriver interfaces plus command-line utilities, letting applications use smart cards and hardware security modules across platforms.OpenSC
A high-performance blocking compression library for binary data that coordinates multiple codecs and filters with multithreading and SIMD acceleration to outperform traditional memory copying.Blosc
Spring Data Redis provides Redis integration for Spring applications, including RedisTemplate, repository-style data access, pub/sub support and reactive APIs.spring-projects
Aura.Sql is a PHP library extending native PDO with lazy connections, array quoting, convenient fetch and yield helpers, connection locating, and a query profiler.auraphp
A C++ library and sample project that compiles code changes at runtime so developers can edit and immediately see results without restarting. It targets game development and other iteration-heavy workflows.RuntimeCompiledCPlusPlus
The official support and issue-tracking repository for the Postman app, offering bug-reporting guidelines, community links, and documentation pointers rather than the app itself.postmanlabs
Jailer is a desktop tool for extracting referentially intact database subsets and browsing relational data along foreign keys, with SQL console and AI assistance.Wisser
A security-minded collection of dotfiles and shell utilities for Mac, Linux and BSD, bundling zsh/bash setup, git and vim configuration, terminal themes and a verifiable installer.paulmillr
Realm Core is the underlying database engine shared by all Realm mobile SDKs, providing embedded, reactive data storage for phones, tablets and wearables.realm
node-x11 is a pure-JavaScript X11 protocol client library for Node.js and Bun, implementing core requests and many extensions without native dependencies.sidorares
gitup is a command-line tool for updating many Git repositories at once. It handles multiple remotes, dirty worktrees, diverged branches, and detached HEADs gracefully.earwig
JMXTerm is an interactive command-line JMX client for Java. It provides a jconsole alternative for inspecting and operating MBean servers without a GUI, and can be embedded in shell, Perl or Python scripts.jiaqi
wxWidgets is a free, open-source cross-platform C++ framework for building native-looking GUI applications on Windows, macOS and Linux with a single codebase.wxWidgets
A collection of Solarized color themes for GNU ls, distributed as dircolors database files in 256-color and ANSI variants that users can download and apply to colorize terminal file listings.seebi
xhtml2pdf converts HTML and CSS into PDF using ReportLab in pure Python, suitable for invoices, reports, certificates, tickets and other printable documents.xhtml2pdf
A Rack-based A/B testing framework for Ruby and Rails that stores experiment assignments in Redis or cookies, with weighted splits, conversion tracking and a dashboard.splitrb
Chromaprint is a C library that generates compact audio fingerprints for identifying near-identical recordings, used by AcoustID and tools such as MusicBrainz Picard for duplicate detection and stream monitoring.acoustid
EntityAuditBundle is a Doctrine 2 extension that adds full versioning and audit trails to entities and their associations, letting applications query historical revisions of database records.sonata-project
A C# library that moves CSS into inline style attributes for maximum email-client compatibility, with analytics tagging and media-query preservation options.milkshakesoftware
A free ebook series collecting practical technical handbooks on Linux, databases, networking and system administration, published as the Netkiller notes.netkiller
A native macOS app that turns the output of lsof into a searchable, sortable GUI, making it easy to inspect which processes hold which files, sockets, pipes and devices.sveinbjornt
SFML is a simple, fast, cross-platform C++ multimedia library providing windowing, graphics, audio and networking APIs for building games and multimedia applications.SFML
A visualization tool that filters a Git repository's commit DAG down to its meaningful history and renders branch and tag structure with Graphviz.git-big-picture
asciinema server is the self-hostable backend of the asciinema ecosystem, hosting and sharing terminal session recordings and live streams through a web interface and HTTP API.asciinema
Red is a programming language inspired by Rebol, shipping with its own compiler, interpreter, REPL, and cross-platform GUI toolchain that produces small dependency-free executables.red
Mumble is an open-source, low-latency voice chat application with a desktop client and a self-hostable server, built with Qt and Opus for clear, high-quality team and gaming voice communication.mumble-voip
LibGit2Sharp brings the native libgit2 Git implementation to .NET, giving managed applications a full API for reading and manipulating Git repositories.libgit2
jQuery Terminal is a JavaScript library for building web-based terminal emulators with custom commands, JSON-RPC interpreters, history, tab completion and ANSI support.jcubic
Symfony Console is a PHP component that simplifies building beautiful, testable command-line interfaces, providing argument parsing, input/output handling and command structure.symfony
Native Node.js bindings to libgit2 that expose Git repository operations such as cloning, commits and history traversal to JavaScript applications.nodegit