Apps with 'Extensible by Plugins/Extensions' feature Page 10 of 91

Penpot Desktop is an unofficial desktop application for the open-source design tool, Penpot.

Publii allows to you build, modify and manage an unlimited number of sites from the same app with instant switching; no databases or other credentials to remember.

A simple and convenient open source manga reader for Android from and for the community, where you can find and read your favorite manga easier than ever.

Open source web-based reader with AJAX, offering privacy control through self-hosting. Features include aggregation, keyboard shortcuts, and podcast support.

RSS reader shows you articles from your favorite blogs and news sites, and it keeps track of what you’ve read.

Digital workspace organizer that allows you to unify many applications, all in one place. Perfect for those who care about productivity while working with many business and personal apps.

Minimal browser with sidebar navigation, grouped “Rooms,” open-source code, and local-first privacy features focused on performance and native Mac support.

A web browser for Android, based on Mozilla's Fenix version of Firefox, GeckoView and Mozilla Android Components.

A lightweight, feature-rich dock for Linux written in Python with GTK 3 and Cairo. Inspired by Plank and Cairo-Dock, with an extensible applet system for custom widgets.

Manage multiple developer agents in real terminals, detach and reattach sessions anywhere, track agent status instantly, and control panes via keyboard or mouse.

Lightweight clipboard history manager for macOS with fast search, keyboard-first navigation, native minimal design, privacy by local storage, and customization.

Fan Control is a focused and highly customizable fan controlling software for Windows. It supports multiple temperature sources in min, max and average configurations, and fan curve functions, including but not limited to, linear, graph, and mix to control a single fan.

Modern launcher for macOS offering Fuzzy, Leader, Text, and Talk modes, built natively in Swift, supporting extensions, with free and full one-time unlock options.

Open-source platform supporting local and cloud AI chat, semantic search, document retrieval, and image generation across multiple devices and data sources.

Aniyomi is an unofficial fork of the free and open source manga reader Tachiyomi that adds anime capabilities! For Android 6.0 and above.

Developed with the Electron framework, ueli is the type of tool that adopts simplicity, leaving out any unnecessary options and configuration settings. It creates an icon in the system tray at startup, where it sits silently throughout its runtime, without disturbing you with...

Motrix by agalwood was one of the best open-source download managers available — clean UI, aria2-powered, cross-platform. It inspired thousands of users and developers alike.

Local-first computer history for AI agents; screen and audio history stays on the user’s device by default and is searchable through the local API and MCP server.

CasaOS is an open-source Home Cloud system based on the Docker ecosystem and designed for home scenarios. It is committed to building the world's most simple, easy-to-use, and elegant Home Cloud system.

Org mode is for keeping notes, maintaining TODO lists, planning projects, and authoring documents with a fast and effective plain-text system.

• Ulauncher provides instant search results. It also remembers your previous choices and automatically selects the best option for you.

Open-source messaging platform with real-time group, direct, and private chats, file sharing, video conferencing, custom integrations, and self-hosting.

Shutter is a feature-rich screenshot program for Linux based operating systems. It is free, open-source, and licensed under GPL v3.

Sonarr is an internet PVR for Usenet and Torrents.

Q-Dir makes your files and folder easy to manage. Fast and easy access, with an amazing Quadro-View (4 panes) technique. You dont have to renounce the usual, Drag and Drop, all Views, and other functions of your system. No!