Utilities
Community-driven applications, applets and extensions that extend the power of the COSMIC™ Desktop, made by System76.
Applications
Tasks
A simple task management application for the COSMIC desktop.
Tweaks for COSMIC™
A tweaking tool for the COSMIC desktop.
Calculator
A calculator application for the COSMIC desktop.
fan-control
Control your fans with different behaviors.
cosmic-webapps
Web App Manager for Cosmic desktop written with love and libcosmic. Allow you to simply create web applications from given url working inside separate window of your browser of choice.
cosmic-color-picker
A color picker for COSMIC.
oboete
A flashcards application for the COSMIC™ desktop.
starry-dex
Pokédex application for the COSMIC™ desktop.
cosmic-dirstat
KDirStat-esque disk usage analyzer using the libcosmic toolkit.
forecast
A simple weather application for the COSMIC™ Desktop
cosmic-ext-2048
A 2048 game written in libcosmic and Rust
cosmicding
linkding companion app for COSMIC™
bodev
Low level dev tools
Subscribi
Track all your subscriptions easily (and privately)
Cupola
An image viewer built for the COSMIC Desktop.
Maré Player
TIDAL music streaming for COSMIC™ — Hi-Res FLAC playback, spectrum visualizer, and MPRIS integration. Also builds as a panel applet.
COSMIC WallShift
Automatically switches your wallpaper when the system theme toggles between Light and Dark mode.
cedilla
A markdown text editor for the COSMIC™ desktop.
Super STT - With COSMIC Visualizer
Super STT enables effortless voice-to-text in any application, using the most advanced speech models that run 100% locally.
Applets
clippy-land
COSMIC panel applet for keeping a history of recently copied text and images
cosmic-applet-apps-menu
Category based menu for apps.
cbar
Scriptable COSMIC panel applet for local plugins, live panel text, popup actions, and catalog-based plugin discovery.
cosmic-applet-places-status-indicator
Menu for quickly navigating places in the system
cosmic-ext-classic-menu
Menu applet for launching applications
clipboard-manager
Clipboard manager for COSMIC™
cosmic-applet-emoji-selector
Emoji selector
cosmic-noise
Applet for playing background noise
cosmic-applet-ollama
Applet for Ollama
cosmic-ext-applet-external-monitor-brightness
Change brightness of external monitors via DDC/CI protocol
cosmic-applet-minimon
Applet for displaying CPU and RAM utilization
cosmic-ext-applet-system-monitor
Configurable system monitor applet
cosmic-ext-applet-gamemode-status
GameMode status applet
cosmic-ext-applet-caffeine
Prevents your screen from going to sleep
cosmic-ext-applet-privacy-indicator
Privacy Indicator applet for COSMIC
cosmic-ext-applet-yt-dlp
A simple yt-dlp GUI for the COSMIC DE
cosmic-ext-applet-logomenu
A simple quick access 'Logo menu' to collect your launcher options in one place with the logo of your choice.
cosmic-applet-ram-usage
An applet for the Cosmic DE that displays current total RAM usage
cosmic-ext-applet-vitals
A minimal configurable applet to display basic system resource usage
cosmic-applet-music-player
A Music Player control applet for COSMIC panel
cosmic-applet-package-updater
Package update notifier applet for the COSMIC desktop
cosmic-applet-systemstats
Compact system monitor with CPU/GPU temps, memory, and network speeds
cosmic-ext-applet-dict
An English language dictionary applet, perfect for quick access searching for words and definitions, or cycling through some random words to enrich your knowledge of the English language!
cosmic-ext-connected
Phone connectivity applet using KDE Connect
cosmic-ext-flux
Live wallpaper engine — play video and GIF files as your desktop background with GPU-accelerated decoding, multi-monitor support, and a panel applet for playback controls.
cosmic-applet-mare
TIDAL music streaming applet for COSMIC™ — Hi-Res audio, spectrum visualizer, and MPRIS integration
cosmic-pomodoro
Simple Pomodoro applet for COSMIC Desktop
cosmic-ssh-launcher
SSH launcher panel applet — quick access to hosts from ~/.ssh/config
cosmic-ext-whether
Weather applet with NWS and Open-Meteo forecasts
cosmic-ext-applet-mounter
Manage online mounts and offline mirrors for OneDrive, Google Drive, Box, and SMB
cosmic-ext-app-switcher
macOS-style Super+Tab app switcher for COSMIC — horizontal icon strip overlay with Dark, Light, Frosted, and Midnight themes
cosmic-ext-applet-eyedropper
Eyedropper applet for cosmic desktop. Pick colours from the screen.
cosmic-power-monitor
Battery power monitor applet for the COSMIC™ desktop
cosmic-speech-to-text
Speech-to-text panel applet — record voice and type transcribed text into any app. Supports Mistral, OpenAI, and local whisper.cpp
cosmic-ext-applet-now-playing
Shows active media in the panel
cosmic-keepass
KeePass password manager panel applet — search, copy, and manage passwords from .kdbx databases
cosmic-ai-panel
AI assistant panel applet for COSMIC desktop with streaming responses, markdown rendering, and model switching
cosmic-applet-rotation
Automatic screen rotation for devices with accelerometers
cosmic-applet-arch
Applet to display Arch Linux package update status
cosmic-cpufreq
CPU frequency monitor and governor control applet
cosmic-applet-claude-usage
Minimal panel applet showing Claude Code usage as a quiet, color-coded indicator
Themes
Services
Scripts
pywal-cosmic-term
Python script to use your pywal generated color palette with cosmic-term
cosmic-ext-window-helper
Utility interacting with COSMIC™ Wayland compositor to provide easy scriptable access to toplevel windows, allowing shortcut-triggerable custom actions: run-or-raise, batch hiding or closing...