Apps Related to Extensible by Plugins/Extensions

dBpoweramp is a highly regarded audio software suite known for its robust CD ripping, audio conversion, and tag editing capabilities. It supports a wide range of audio formats and offers advanced features like AccurateRip verification and volume normalization for perfect audio quality.

XWiki is a powerful, open-source wiki software platforms written in Java, designed for creating collaborative knowledge bases, documentation, and collaborative workspaces. With a strong emphasis on extensibility, it supports multiple languages, real-time collaboration, and a wide range of features for content management and team productivity.

EmEditor is a robust yet lightweight text editor for Windows designed for power users, developers, and anyone working with large files or needing advanced text manipulation features and it offers exceptional performance and customization.

Firefox Developer Edition is a specialized version of the Firefox browser tailored for web developers. It offers the latest features and tools earlier than the standard release, providing a stable yet cutting-edge environment for building and testing websites.

MOOVIA is a comprehensive project and team management platform designed to foster a secure and enjoyable social environment for collaboration, task management, document sharing, and internal communication.

KDevelop is a powerful, free, and open-source Integrated Development Environment (IDE) designed for Unix-like systems, Windows, and macOS. It offers a robust set of features for a wide range of programming languages, including C++, Python, PHP, and more, making it a versatile tool for software developers.

GNU IceCat is a free software version of the Firefox web browser, distributed by the GNU Project. It focuses on user freedom and privacy by removing proprietary components and incorporating privacy-enhancing features.

Google Desktop was a powerful desktop search application designed to index and rapidly locate information across your computer. It integrated seamlessly with your operating system, offering indexed search for files, emails, web history, and more, along with a customizable sidebar for widgets and gadgets.

Wox is a highly customizable and extensible open-source application launcher for Windows. It allows users to quickly launch applications, search files, perform web searches, and execute commands using a simple keyword-based interface.

Claws Mail is a powerful yet lightweight, open-source email and news client built on GTK+. It's known for its speed, stability, rich feature set, and high degree of customization, making it an excellent choice for users demanding control and efficiency.

Mantis Bug Tracker is a free and open-source, web-based issue tracking system designed primarily for software defect tracking. It offers a straightforward interface and a range of features suitable for managing projects and tracking the lifecycle of bugs and issues.

rTorrent is a powerful and resource-efficient command-line BitTorrent client for Unix-like systems. Built on the advanced libTorrent library, it offers high performance and extensive configurability, making it ideal for users seeking control and automation.

Kanboard is a free and open-source Kanban project management software that streamlines task and project workflows. It offers a minimalist and visual approach to managing tasks, making it ideal for teams seeking simplicity and efficiency in their collaboration efforts.

Acorn is a powerful yet accessible image editing software designed for macOS. It offers a comprehensive toolset for photo manipulation, digital drawing, and graphic design, catering to both hobbyists and professionals.

Kopete is a versatile, free and open-source instant messaging client designed initially for the KDE Plasma desktop. It distinguishes itself by supporting a multitude of protocols, allowing users to connect to various chat networks from a single application.

Irssi is a highly customizable command-line IRC client popular among power users and system administrators for its extensibility and efficiency.

AngularJS is a powerful open-source JavaScript framework developed by Google that enables developers to build dynamic single-page applications (SPAs). It simplifies front-end development by extending HTML with its directives and facilitating two-way data binding, promoting a Model-View-Controller (MVC) or Model-View-ViewModel (MVVM) architectural pattern.

phpBB is a free and open-source bulletin board software written in the PHP programming language. It provides a robust platform for creating and managing online communities through discussion forums, enabling users to engage in conversations, share information, and build connections.

Discourse is a modern, open-source discussion platform designed for building thriving online communities. It combines elements of traditional forums, mailing lists, and chat to foster civil and engaging conversations.

AkelPad is a highly customizable, portable text editor designed for Windows. It boasts a lightweight footprint, extensive plugin support for enhanced functionality, and the ability to handle large files efficiently. Ideal for users seeking a fast and configurable alternative to standard text editors.

Executor is a highly customizable and portable application launcher and Windows Run replacement. It allows users to quickly launch programs, search files, perform web searches, and execute commands with minimal keystrokes.

XMPlay is a highly versatile and lightweight audio player for Windows, renowned for its extensive format support, portability, and customizable interface. It offers powerful features like advanced playlist management, plugin compatibility, and high-fidelity sound reproduction.

Wekan is a free and open-source Kanban board application designed for collaborative task management. Based on the principles of Kanban, it offers a visual way to organize work, track progress, and improve workflow efficiency for individuals and teams.

FileBot is a powerful and comprehensive tool designed for efficient file organization and renaming, specializing in media files like movies, TV shows, and anime. It automates the process of fetching accurate metadata, downloading subtitles, and managing your media library with ease.

Psi is a robust, open-source instant messaging client built on the XMPP protocol. It's known for its focus on speed, efficiency, and adherence to XMPP standards, offering a clean interface and strong privacy features for secure and reliable communication.

MythTV is a free and open-source digital video recorder (DVR) software designed to transform a Linux-based computer into a complete home media center. It allows users to watch, record, and play live television, manage their video library, listen to music, and more.

WebStorm is a powerful JavaScript IDE from JetBrains, designed for modern web development. It offers advanced coding assistance for JavaScript, HTML, and CSS, alongside support for many related technologies like Node.js, React, Angular, and Vue.js. Its rich feature set includes smart code completion, error detection, refactoring, debugging, and integrated development tools.

Xamarin Studio is a comprehensive IDE designed for building cross-platform applications for iOS and Android using C#. It enables developers to write native user interfaces and share significant code across platforms.

Smuxi is a feature-rich, cross-platform IRC client designed with productivity and usability in mind. Inspired by the command-line power of Irssi, it provides a graphical interface for seamless communication across multiple networks including IRC, XMPP, and Twitter.

Flunify is a comprehensive project management and collaboration platform designed for teams of all sizes. It combines task management, real-time communication, document sharing, and social networking features into a single, intuitive interface, aiming to streamline workflows and boost productivity.