
Flatpak Packages Page 19 of 36
Browse 877 Flatpak Packages on AlternativeTo.
- Package Manager
- Free
- Open Source

See the current temperature and weather conditions for your location with this minimal color-changing applet.

KGraphViewer is a Graphviz DOT graph file viewer, aimed to replace the other outdated Graphviz tools. Graphs are commonly used in scientific domains and particularly in computer science.
Cost / License
- Free
- Open Source
Platforms
- Linux
- Snapcraft
- Flathub
- Flatpak

EcoTubeHQ Video Player offers high quality video playback for many DRM-free streaming services at minimal bitrates. Hardware acceleration is utilised where possible during video playback to optimize quality and minimize CPU usage.

binjr is a standalone time series browser. It renders time series data produced by other applications as dynamically editable views and provides advanced features to navigate the data smoothly and efficiently.
Cost / License
- Free
- Open Source (Apache-2.0)
Platforms
- Windows
- Linux
- Flathub
- Flatpak



Gapless (AKA: G4Music) is a lightweight music player written in GTK4, focuses on large music collection.


+1
Curtail (previously ImCompressor) is a useful image compressor, supporting PNG and JPEG file types. It support both lossless and lossy compression modes with an option to whether keep or not metadata of images. It is inspired by .
Cost / License
- Free
- Open Source (GPL-3.0)
Application types
Platforms
- Linux
- Flathub
- GNOME
- Flatpak
- Linux Mobile


A simple, elegant, minimalist Pomodoro timer for your desktop. Designed to help you stay focused and productive, it offers a clean, distraction-free interface to manage work and break intervals with ease.


This is a simple ping application that displays real-time ping times to a specified host using a Deno backend, a WebSocket connection, and a WebView frontend with a Chart.js graph.
Cost / License
- Free
- Open Source (MIT)
Platforms
- Linux
- Flathub
- Flatpak

AI-powered digital assistant that keeps your data private. Chat with your tasks, get intelligent summaries, and track what matters—all stored locally on your devices. Choose your AI provider per category or run everything offline. Your data, your control.
Cost / License
- Free
- Open Source (GPL-3.0)
Platforms
- Linux
- Flathub
- Flatpak
- Mac
- Windows
- iPhone
- iPad
- Android
- Android Tablet





QuickBib is a cross-platform utility that uses doi2bib3 to fetch BibTeX for DOIs, arXiv identifiers as well as article titles. Works as a GUI app and also as a CLI. Perfect for research workflows, manuscripts and automation.
Cost / License
- Free
- Open Source (GPL-3.0)
Application type
Platforms
- Linux
- Flathub
- Flatpak
- Snapcraft
- Windows
- Mac



DeltaTouch is a community-created messenger based on deltachat-core. In other words, it's inofficial, but compatible with the official Delta Chat clients. It works with your existing email account, but has the look and feel of a messenger.
Cost / License
- Free
- Open Source
Platforms
- Ubuntu Touch
- Linux Mobile
- Flathub
- Flatpak



Rayforge is a modern, cross-platform G-code sender and control software for GRBL-based laser cutters and engravers. Built with Gtk4 and Libadwaita, it provides a clean, native interface for Linux and Windows, offering a full suite of tools for both hobbyists and professionals.
Cost / License
- Free
- Open Source (MIT)
Platforms
- Linux
- Flathub
- Flatpak
- Snapcraft
- Mac
- Windows


Freeciv21 is a free open source turn-based empire-building 4x strategy game, in which each player becomes the leader of a civilization. You compete against several opponents to build cities and use them to support a military and an economy.



Curo Calculator is the ultimate tool for anyone needing to calculate loan, lease, and hire purchase repayments and interest rates. Perfect for both personal users and finance professionals, this app simplifies complex financial calculations.
Cost / License
- Free
- Open Source (MIT)
Platforms
- Linux
- Flathub
- Flatpak
- Android
- Android Tablet
- Online


+5
Improve your chess with unlimited game review, interactive engine analysis, and several other state-of-the-art training utilities.



Buzz Captions is an offline audio transcription and translation tool powered by OpenAI's Whisper model. It allows users to import audio and video files to generate transcripts in CSV, SRT, TXT and VTT formats.

Losange is a simplified fork of Stremio that requires no account to use, though accounts are optional. It retains full compatibility with Stremio plugins.

YAFI is another GUI for the Framework Laptop Embedded Controller. It is written in Python with a GTK4 Adwaita theme, and uses the CrOS_EC_Python library to communicate with the EC.
Cost / License
- Free
- Open Source (GPL-2.0)
Platforms
- Windows
- Linux
- Flathub
- Python
- Flatpak


+3
Principia is a physics-based sandbox building game. Build and play advanced contraptions, circuiting, minigames, robot adventures and more.
Cost / License
- Free
- Open Source
Application type
Platforms
- Windows
- Linux
- Flathub
- Flatpak
- Android
- Android Tablet


+7
A free and open-source file encryption software for Linux, Windows and Mac that encrypts/decrypts files so they can be stored securely, utilizing compression, Reed–Solomon Error Correction, encryption and keys derived from the user's password with Argon2id.


Password Secure is a cross-platform, offline password manager, using strong AES-256 encryption.































































