Apps with 'FOSS' feature

All apps in Apps with 'FOSS' feature category. Use the filters below to narrow down your search.

Thunderbird
2467 likes
Cross-platform email client providing POP/IMAP support, robust filtering, multiple accounts, and chat. Extendable via add-ons with RSS/Atom, etc.
Email Client
Free • Open Source
Mac
Windows
Linux
Android
BSD
AppImageHub
Snapcraft
Flathub
PortableApps.com
F-Droid
Haiku
Homebrew
Chocolatey
License model
Free • Open Source
Application types
Email Client
Calendar App
Country of Origin
United States
Platforms
Mac
Windows
Linux
Android
BSD
AppImageHub
Snapcraft
Flathub
PortableApps.com
F-Droid
Haiku
Homebrew
Chocolatey
+8
Top Thunderbird Features
Extensible by Plugins/Extensions
Multiple Account support
IMAP Support
Calendar Integration
SMTP Support
Email Organizer
Add-ons
Dark Mode
Works Offline
OpenPGP
Ad-free
Portable
Best alternatives are K-9 MailandClaws Mail85 alternatives
qBittorrent
1704 likes
Advanced open-source torrent client with search engine, ad-free interface, OS compatibility, magnet link support, and remote control through Web UI.
Torrent Client
Free • Open Source
Mac
Windows
Linux
BSD
AppImageHub
Snapcraft
Flathub
PortableApps.com
Haiku
License model
Free • Open Source
Application types
Torrent Client
Download Manager
Country of Origin
France
EU
Platforms
Mac
Windows
Linux
BSD
AppImageHub
Snapcraft
Flathub
PortableApps.com
Haiku
+6
Properties
Lightweight
Privacy focused
Features
Ad-free
Download torrents
Support for MAGNET links
Integrated Search
Sequential downloading
Simple installation
Peer-To-Peer
Portable
Extensible by Plugins/Extensions
No registration required
Dark Mode
No Tracking
Best alternatives are TransmissionandDeluge74 alternatives
Blender
1692 likes
Free open-source 3D software for modeling, texturing, rigging, animation, rendering, compositing, video editing, and simulation.
3D Modeler
Free • Open Source
Mac
Windows
Linux
BSD
Flathub
PortableApps.com
Haiku
Steam
Flatpak
Snapcraft
License model
Free • Open Source
Application types
3D Modeler
VFX Software
Country of Origin
Netherlands
EU
Platforms
Mac
Windows
Linux
BSD
Flathub
PortableApps.com
Haiku
Steam
Flatpak
Snapcraft
+9
Top Blender Features
3D Sculpting
Real time rendering
Community-based
Compositor
Keyframe Animation
Animation Rigging
Extensible by Plugins/Extensions
Ad-free
Physically-Based Rendering
Node Based
Parametric Modeling
Motion Capture
Best alternatives are Autodesk MayaandWings 3D139 alternatives
Nextcloud
1105 likes
On-premises file sync, universal access, integrated collaboration, real-time communication with privacy and data control focus.
Cloud Storage Service
Free • Open Source
Mac
Windows
Linux
Online
Android
iPhone
Android Tablet
iPad
Self-Hosted
F-Droid
Cloudron
Snapcraft
Docker Hub
Raspberry Pi
License model
Free • Open Source
Application types
Cloud Storage Service
File Sync Tool
Country of Origin
Germany
EU
Platforms
Mac
Windows
Linux
Online
Android
iPhone
Android Tablet
iPad
Self-Hosted
F-Droid
Cloudron
Snapcraft
Docker Hub
Raspberry Pi
+3
Properties
Privacy focused
Features
Calendar Integration
Sync Contacts
Ad-free
Two-factor Authentication
Cloud Sync
Hostable
On-premises software
CalDAV Support
Extensible by Plugins/Extensions
End-to-End Encryption
Dark Mode
Support for ActivityPub
Best alternatives are ownCloudandDropbox149 alternatives
F-Droid
787 likes
Discover and install FOSS Android apps with ease. Privacy-focused, ad-free, and no registration required, F-Droid offers a lightweight alternative.
App Store
Free • Open Source
Online
Android
Android Tablet
F-Droid
License model
Free • Open Source
Application types
App Store
Software Installer
Country of Origin
Germany
EU
Platforms
Online
Android
Android Tablet
F-Droid
Properties
Privacy focused
Lightweight
Features
Custom Repos
Ad-free
No registration required
Distributed
Auto Update
Categories
No Tracking
Dark Mode
Software Management
Indexed search
Portable
Crowdsourced
Best alternatives are Droid-ifyandAurora Store74 alternatives
Ad
ONLYOFFICE
Open-source suite for editing documents, spreadsheets, presentations, forms, and PDF files with co-editing modes, plugin support, and integration across over 40 platforms.

Learn More
calibre
1439 likes
Free e-book manager offering library management, multi-format conversion, syncing to devices, news download as e-books, built-in viewer, editor, and privacy.
Ebook Reader
Free • Open Source
Mac
Windows
Linux
BSD
Self-Hosted
Flathub
PortableApps.com
Homebrew
License model
Free • Open Source
Application types
Ebook Reader
PDF Reader
Country of Origin
Canada
Platforms
Mac
Windows
Linux
BSD
Self-Hosted
Flathub
PortableApps.com
Homebrew
+4
Properties
Lightweight
Features
Built-in e-Book converter
Book organization
Built-in viewer
Batch conversion
Supports All Ebooks Format
DRM Free
Ad-free
Works Offline
Portable
Dark Mode
Extensible by Plugins/Extensions
Ebook Conversion
Best alternatives are Librera ReaderandKOReader109 alternatives
Element
720 likes
A secure collaboration app with end-to-end encryption and interoperability across web, desktop, and mobile. Includes chat, voice, and video calls.
Instant Messenger
Free Personal • Open Source
Mac
Windows
Linux
Online
Android
iPhone
Android Tablet
iPad
Self-Hosted
Matrix.org
Flathub
F-Droid
Cloudron
License model
Free Personal • Open Source
Application types
Instant Messenger
Video Calling App
Country of Origin
United Kingdom
Platforms
Mac
Windows
Linux
Online
Android
iPhone
Android Tablet
iPad
Self-Hosted
Matrix.org
Flathub
F-Droid
Cloudron
+1
Properties
Privacy focused
Features
End-to-End Encryption
Decentralized
Federated
Matrix Protocol
Voice Chat
Direct Messaging
Dark Mode
No Tracking
VoiP Calls
Real time collaboration
Two-factor Authentication
Ad-free
Best alternatives are SignalandTelegram301 alternatives
LibreOffice - Writer
1269 likes
A versatile open-source word processor with robust formatting, style options, and cross-platform availability, ideal for both memos and complex book publishing.
Word Processor
Free • Open Source
Mac
Windows
Linux
BSD
Flathub
PortableApps.com
ReactOS
License model
Free • Open Source
Application types
Word Processor
Office Suite
Country of Origin
Germany
EU
Platforms
Mac
Windows
Linux
BSD
Flathub
PortableApps.com
ReactOS
+2
Properties
Privacy focused
Support for Themes
Distraction-free
Features
Export to PDF
Built-in PDF converter
Portable
Spell Checking
  Export to Word
  Compatible with Microsoft Office
  LibreOffice Integration
Auto Correction
Works Offline
Ad-free
Dark Mode
No registration required
Best alternatives are ONLYOFFICEandMicrosoft Word83 alternatives
ONLYOFFICE
572 likes
Open-source suite for editing documents, spreadsheets, presentations, forms, and PDF files with co-editing modes, plugin support, and integration across over 40 platforms.
Word Processor
Free Personal • Open Source
Mac
Windows
Linux
Online
Android
iPhone
Android Tablet
HUAWEI AppGallery
iPad
Self-Hosted
AppImageHub
Snapcraft
Flathub
Samsung Galaxy Store
Software as a Service (SaaS)
Flatpak
Cloudron
License model
Free Personal • Open Source
Application types
Word Processor
Spreadsheet App
Country of Origin
Latvia
EU
Platforms
Mac
Windows
Linux
Online
Android
iPhone
Android Tablet
HUAWEI AppGallery
iPad
Self-Hosted
AppImageHub
Snapcraft
Flathub
Samsung Galaxy Store
Software as a Service (SaaS)
Flatpak
Cloudron
+8
Properties
Privacy focused
Features
Compatible with Microsoft Office
Works Offline
Real time collaboration
Tabbed interface
Nextcloud integration
Export to PDF
Ad-free
Dark Mode
Spell Checking
Portable
End-to-End Encryption
No registration required
Best alternatives are LibreOffice71 alternatives
RustDesk
243 likes
Open source tool for secure remote access and screen sharing, supporting cross-platform use and self-hosting for complete data control.
Remote Desktop Tool
Freemium • Open Source
Mac
Windows
Linux
Android
iPhone
Android Tablet
iPad
Self-Hosted
Flathub
F-Droid
Flatpak
License model
Freemium • Open Source
Application type
Remote Desktop Tool
Country of Origin
Singapore
Platforms
Mac
Windows
Linux
Android
iPhone
Android Tablet
iPad
Self-Hosted
Flathub
F-Droid
Flatpak
+2
Properties
Lightweight
Features
No registration required
Unattended Access
Low Latency
Screen Sharing
End-to-End Encryption
Ad-free
Desktop Sharing
Stream audio
Portable
Dark Mode
Best alternatives are TeamViewerandAnyDesk123 alternatives
Fedora
570 likes
Fedora creates an innovative, free, and open source platform for hardware, clouds, and containers that enables software developers and community members to build tailored solutions for their users.
Linux Distro
Free • Open Source
Linux
License model
Free • Open Source
Application types
Linux Distro
Operating System
Country of Origin
United States
Platforms
Linux
+9
Properties
Privacy focused
Lightweight
Features
Out Of The Box
Linux-based
Wayland Support
No Tracking
Ad-free
Support for BTRFS
Dark Mode
Unix-like
Rolling Release
No registration required
Works Offline
Portable
Best alternatives are Linux MintandUbuntu180 alternatives
Godot Engine
553 likes
Godot Engine is a feature-packed, cross-platform game engine to create 2D and 3D games from a unified interface. It provides a comprehensive set of common tools, so that users can focus on making games without having to reinvent the wheel.
Game Development Tool
Free • Open Source
Mac
Windows
Linux
Online
Android
Epic Games Store
Flathub
F-Droid
Haiku
Steam
FreeBSD
Flatpak
License model
Free • Open Source
Application type
Game Development Tool
Country of Origin
Argentina
Platforms
Mac
Windows
Linux
Online
Android
Epic Games Store
Flathub
F-Droid
Haiku
Steam
FreeBSD
Flatpak
+6
Properties
Lightweight
Features
3D Game Engine
2D Game Engine
Cross-Platform
GdScript
Portable
Keyframe Animation
Works Offline
Multiplayer
Ad-free
Dark Mode
No registration required
Support for scripting
Best alternatives are Unreal EngineandUnity174 alternatives
Aurora Store
268 likes
Aurora Store is an unofficial, FOSS client to Google's Play Store with an elegant design. Not only does Aurora Store download, update, and search for apps like the Play Store, it also empowers the user with new features.
App Store
Free • Open Source
Android
Android Tablet
F-Droid
License model
Free • Open Source
Application types
App Store
Software Installer
Country of Origin
International
Platforms
Android
Android Tablet
F-Droid
Properties
Privacy focused
Lightweight
Features
Ad-free
No Tracking
Online Anonymity
Auto Update
Download old versions
No registration required
Dark Mode
Advanced searching
Filters
Best alternatives are F-DroidandObtainium71 alternatives
Arch Linux
764 likes
Arch Linux is an independently developed, x86_64 optimized GNU/Linux distribution targeted at competent Linux users. It uses pacman, its home-grown package manager, to provide updates to the latest software applications with full dependency tracking.
Linux Distro
Free • Open Source
Linux
License model
Free • Open Source
Application types
Linux Distro
Operating System
Country of Origin
Canada
Platforms
Linux
+1
Properties
Lightweight
Privacy focused
Features
Rolling Release
Arch User Repository
Wiki documentation
Community-based
Linux-based
Bleeding edge
No Tracking
Ad-free
Command line interface
No registration required
Package Control
Works Offline
Best alternatives are Manjaro LinuxandLinux Mint191 alternatives
FreeTube
222 likes
Experience YouTube ad-free on desktop with enhanced privacy. FreeTube prevents Google tracking and works seamlessly across Windows, Mac, and Linux.
YouTube Client
Free • Open Source
Mac
Windows
Linux
AppImageHub
Flathub
Flatpak
License model
Free • Open Source
Application types
YouTube Client
YouTube Downloader
Country of Origin
International
Platforms
Mac
Windows
Linux
AppImageHub
Flathub
Flatpak
+1
Properties
Privacy focused
Lightweight
Features
Ad-free
Import subscriptions
No registration required
Watch blocked videos
Watch later
Desktop Application
No Tracking
User Profiles
Dark Mode
Picture in Picture
MP3 Downloader
Support for 4K
Best alternatives are NewPipeandYouTube77 alternatives

Thunderbird

License model

Application types

Country of Origin

Platforms

Top Thunderbird Features

qBittorrent

License model

Application types

Country of Origin

Platforms

Properties

Features

Blender

License model

Application types

Country of Origin

Platforms

Top Blender Features

Nextcloud

License model

Application types

Country of Origin

Platforms

Properties

Features

F-Droid

License model

Application types

Country of Origin

Platforms

Properties

Features

calibre

License model

Application types

Country of Origin

Platforms

Properties

Features

Element

License model

Application types

Country of Origin

Platforms

Properties

Features

LibreOffice - Writer

License model

Application types

Country of Origin

Platforms

Properties

Features

ONLYOFFICE

License model

Application types

Country of Origin

Platforms

Properties

Features

RustDesk

License model

Application type

Country of Origin

Platforms

Properties

Features

Fedora

License model

Application types

Country of Origin

Platforms

Properties

Features

Godot Engine

License model

Application type

Country of Origin

Platforms