Apps with 'Extensible by Plugins/Extensions' feature Page 4 of 88

Open-source game library manager unifying PC and emulated titles from platforms including Steam, GOG, and Origin with customizable plugins and themes.

Open-source browser disables Google integration and background services, increasing privacy, stripping binaries, and offering user control with full transparency.

IronFox is a fork of DivestOS's Mull Browser based on Firefox. Our goal is to continue the legacy of Mull to provide a secure, hardened and privacy-oriented browser for daily use.

Open source non-destructive RAW photo editor and image database with lighttable and darkroom views, real-time editing, HDR and scientific image support.

Eclipse is an extensible development platform with runtimes and application frameworks for building, deploying and managing software across the entire software lifecycle. Many people know Eclipse as a Java IDE, but it is much more than that- Eclipse actually consists of over 60...

Instant messaging with text, voice, video calling, screen sharing, privacy controls, customizable permissions, moderation, bots, and open-source design.

Advanced digital photo management software with features to organize, tag, compare, and process photo collections, supporting multiple formats including RAW.

A feature-rich, simple-to-use app seamlessly integrated with a clean, minimal and modern user interface.

Open-source and privacy-first home automation with an emphasis on local control and backed by a worldwide community. Runs on Raspberry Pi or local server.

Manages and organizes music libraries, playlists, and folders, supports podcasts and web radio, advanced tagging, CD ripping, device sync, and multiple audio formats.

Free cross-platform music client for desktop and mobile enabling manual playback, YouTube streaming, playlist creation, time-synced lyrics, and no ads.

An easy and elegant way to use your computer, GNOME is designed to help you have the best possible computing experience.

Deluge is a full-featured BitTorrent client for Linux, Unix and Windows. It is written in python, uses libtorrent (rasterbar) at its core and GTK for the main user interface along with web and console interfaces for advanced client/server...

The Kate project develops two main products: KatePart, the advanced editor component which is used in numerous KDE applications requiring a text editing component, and Kate, a MDI text editor application.

Full-featured media player known for ease of use, skinnable design, advanced audio visualizers, supports plug-ins, playlists, and music library.

Tenacity is an easy-to-use, privacy-friendly, FLOSS, cross-platform multi-track audio editor/recorder for Windows, macOS, Linux and other operating systems.

Customizable Windows media player offering broad format support, ad-free operation, hardware acceleration, advanced subtitles, and smooth 3D playback.

Usability-focused file manager with tabbed browsing, dual panes, remote protocol support, archive browsing, integrated renaming, and file type previews.

Office suite offering productivity tools for document creation, collaboration, and AI-enhanced editing across various platforms and devices.

Widely-used word processor offering extensive document editing tools, SmartArt, PDF support, and integrated search features on multiple platforms.

Picard is the next generation MusicBrainz tagging application. This new tagging concept is album oriented, as opposed to track/file oriented like the ClassicTagger was. Picard is written in Python, which is a cross-platform language, and makes use of cross-platform libraries -...

nomacs is a free, open source image viewer, which supports multiple platforms. You can use it for viewing all common image formats including RAW and psd images.

WinMerge is an open source differencing and merging tool for Windows. WinMerge can compare both folders and files, presenting differences in a visual text format that is easy to understand and handle.

Kvæsitso is a launcher application for Android which replaces the device's default home screen. It has been built from scratch, meaning it is not based on the AOSP launcher (like many other third party launchers) nor does it try to recreate this launcher.

CryptPad is a private-by-design alternative to popular office tools and cloud services. All the content stored on CryptPad is encrypted before being sent, which means nobody can access your data unless you give them the keys.