Linux Software Page 8 of 1273

Browse 19,082 Linux Software on AlternativeTo with popular options like Open Source and Free.

Other popular filters:

Open Source + No Tracking

Proton Pass
101 likes
A password manager that ensures identity and password security with rigorous, end-to-end encryption, built by scientists from CERN, and recommended by the United Nations.
Password Manager
Freemium • Open Source
Mac
Windows
Linux
Online
Android
iPhone
Android Tablet
iPad
Google Chrome
Flathub
Safari
F-Droid
Mozilla Firefox
License model
Freemium • Open Source
Application types
Password Manager
Authenticator
Country of Origin
Switzerland
Platforms
Mac
Windows
Linux
Online
Android
iPhone
Android Tablet
iPad
Google Chrome
Flathub
Safari
F-Droid
Mozilla Firefox
+3
Properties
Privacy focused
Features
End-to-End Encryption
Cloud Sync
Ad-free
Dark Mode
Support for Aliases
AES-256 Encryption
Two-factor Authentication
Time-based One-time Password
Autofill
Integrated Password Generator
Export to CSV
Custom data fields
Best alternatives are BitwardenandKeePassXC86 alternatives
Notesnook
148 likes
Notesnook is a simple and cross-platform private notes app that keeps your notes organized and synced on your phone, tablet and computer. Take notes, capture ideas, create to-do lists, keep a journal, write your assignments and manage projects, we have got you covered.
Note-taking Tool
Freemium • Open Source
Mac
Windows
Linux
Online
Android
iPhone
Android Tablet
iPad
Google Chrome
Flathub
F-Droid
Software as a Service (SaaS)
Flatpak
License model
Freemium • Open Source
Application types
Note-taking Tool
Todo List Manager
Country of Origin
Pakistan
Platforms
Mac
Windows
Linux
Online
Android
iPhone
Android Tablet
iPad
Google Chrome
Flathub
F-Droid
Software as a Service (SaaS)
Flatpak
+6
Properties
Privacy focused
Features
Encrypted Notes
Private notes
Works Offline
End-to-End Encryption
Note organization
Dark Mode
Ad-free
Support for MarkDown
No Tracking
Cloud Sync
Web Clipper
Best alternatives are ObsidianandJoplin265 alternatives
f.lux
964 likes
Software that makes the color of your computer's display adapt to the time of day, warm at night and like sunlight during the day.
Color Temperature Tool
Free • Proprietary
Mac
Windows
Linux
License model
Free • Proprietary
Application types
Color Temperature Tool
Screen Dimmer
Country of Origin
United States
Platforms
Mac
Windows
Linux
+5
Properties
Lightweight
Features
Blue light filter
Color temperature modes
Time Scheduling
Colour control
Simple installation
No registration required
Ad-free
Dark Mode
Backlight brightness control
Reduce Eyestrain
Display Management
Temperature Monitoring
Best alternatives are RedshiftandLightBulb56 alternatives
Tuta Mail
490 likes
End-to-end encrypted app for email, calendar, and contacts, requiring no personal data, with open source code and quantum-resistant security.
WebMail Provider
Freemium • Open Source
Mac
Windows
Linux
Online
Android
iPhone
iPad
Flathub
F-Droid
License model
Freemium • Open Source
Application types
WebMail Provider
Email Client
Country of Origin
Germany
EU
Platforms
Mac
Windows
Linux
Online
Android
iPhone
iPad
Flathub
F-Droid
+6
Properties
Privacy focused
Lightweight
Features
Encrypted Email
End-to-End Encryption
Dark Mode
Custom Domain
Encrypted calendar
Contacts
No Tracking
Multiple Account support
Integrated File Sharing
Ad-free
Spam Filter
Email Organizer
Best alternatives are Proton MailandDisroot101 alternatives
Mullvad Browser
97 likes
The Mullvad Browser is a privacy-focused web browser developed in a collaboration between Mullvad VPN and the Tor Project. It’s designed to minimize tracking and fingerprinting. You could say it’s a Tor Browser to use without the Tor Network.
Web Browser
Free • Open Source
Mac
Windows
Linux
Flathub
Flatpak
Mozilla Firefox
License model
Free • Open Source
Application types
Web Browser
Ad Blocker
Country of Origin
Sweden
EU
Platforms
Mac
Windows
Linux
Flathub
Flatpak
Mozilla Firefox
+1
Properties
Privacy focused
Support for Themes
Lightweight
Features
Firefox-based Browsers
Block Trackers
No Tracking
Ad-free
Built-in Ad-blocker
No registration required
Fingerprinting protection
Dark Mode
Extensible by Plugins/Extensions
Proactive Protection
Specific for 64-Bit
Best alternatives are Mozilla Firefox86 alternatives
Ad
ClickUp
All-in-one management platform with customizable features, intuitive design, and diverse dashboards for agile teams to achieve organized workflows.

Learn More
Portmaster
144 likes
Portmaster is a free and open-source privacy suite that puts you back in charge of your computer.
Privacy Tool
Freemium • Open Source
Windows
Linux
License model
Freemium • Open Source
Application types
Privacy Tool
Firewall
Country of Origin
Germany
EU
Platforms
Windows
Linux
+3
Properties
Privacy focused
Features
Network Tools
Application Firewall
Block Trackers
Ad-free
No Tracking
No registration required
Dark Mode
DNS over HTTPS
Spam Filter
Built-in VPN
Website Monitoring
Dns
Best alternatives are simplewallandAdGuard34 alternatives
FreeCAD
452 likes
A versatile open-source 3D CAD modeler with modular architecture, suitable for engineering applications across multiple platforms, supporting Python scripting.
CAD Software
Free • Open Source
Mac
Windows
Linux
BSD
Snapcraft
Flathub
PortableApps.com
Flatpak
License model
Free • Open Source
Application types
CAD Software
3D Modeler
Country of Origin
Germany
EU
Platforms
Mac
Windows
Linux
BSD
Snapcraft
Flathub
PortableApps.com
Flatpak
+5
Top FreeCAD Features
Parametric Modeling
Drawing 2D
FEM
Computer-aided manufacturing (CAM)
Ad-free
Procedural Modeling
No registration required
Dark Mode
Works Offline
Support for Layers
No Tracking
Portable
Best alternatives are SketchUpandOpenSCAD109 alternatives
Opera
1817 likes
An advanced browser with a built-in VPN for privacy, ad blocker, Speed Dial, AI, cloud sync, and rich extensions, tailored for various devices.
Web Browser
Free • Proprietary
Mac
Windows
Linux
Android
iPhone
Android Tablet
iPad
Flathub
PortableApps.com
Kindle Fire
Flatpak
License model
Free • Proprietary
Application types
Web Browser
Ad Blocker
Country of Origin
Norway
Platforms
Mac
Windows
Linux
Android
iPhone
Android Tablet
iPad
Flathub
PortableApps.com
Kindle Fire
Flatpak
+16
Top Opera Features
Built-in VPN
Built-in Ad-blocker
Limit ram usage
Sidebar
Portable
Support for Chrome extensions
Dark Mode
Picture in Picture
Currency Conversion
Support for Gestures
Cloud Sync
Extensible by Plugins/Extensions
Best alternatives are Mozilla FirefoxandVivaldi222 alternatives
LibreOffice - Calc
586 likes
LibreOffice Calc is the spreadsheet program you've always needed. A fork of OpenOffice.org Calc, professional data miners and number crunchers will appreciate its comprehensive range of advanced functions.
Spreadsheet App
Free • Open Source
Mac
Windows
Linux
BSD
PortableApps.com
ReactOS
Flathub
License model
Free • Open Source
Application type
Spreadsheet App
Country of Origin
Germany
EU
Platforms
Mac
Windows
Linux
BSD
PortableApps.com
ReactOS
Flathub
Properties
Privacy focused
Features
Data export/import
Import CSV Data
Graph editing
Export to Google Spreadsheets
Portable
Ad-free
No registration required
Works Offline
Extensible by Plugins/Extensions
Password safe
Dark Mode
No Tracking
Best alternatives are Microsoft Excel63 alternatives
CopyQ
314 likes
Multi-Platform Clipboard Manager with Advanced Features.
Clipboard Manager
Free • Open Source
Mac
Windows
Linux
PortableApps.com
Flathub
License model
Free • Open Source
Application types
Clipboard Manager
Note-taking Tool
Country of Origin
Czechia
EU
Platforms
Mac
Windows
Linux
PortableApps.com
Flathub
+5
Properties
Privacy focused
Support for Themes
Lightweight
Features
Clipboard monitoring
Image copy
Copy & paste actions
Notifications
Cross-Platform
Tag based
Support for scripting
Portable
Image Preview
Best alternatives are DittoandPasteBar120 alternatives
Double Commander
577 likes
Cross-platform file manager with dual-panel design based on Total Commander. Features include advanced searching, tabbed browsing, and plugin support.
File Manager
Free • Open Source
Mac
Windows
Linux
BSD
License model
Free • Open Source
Application types
File Manager
File Sync Tool
Country of Origin
Russia
Platforms
Mac
Windows
Linux
BSD
+7
Properties
Lightweight
Features
Dual Pane Support
Two-panel file manager
Folder Sync
TC plug-in's support
Batch Rename Files
Extensible by Plugins/Extensions
Portable
Ad-free
Works Offline
Dark Mode
No registration required
Built-in viewer
Best alternatives are Total Commander132 alternatives
OpenVPN Connect
752 likes
OpenVPN Connect provides flexible VPN solutions to secure your data communications, whether it's for Internet privacy, remote access for employees, securing IoT, or for networking Cloud data centers.
VPN Client
Freemium • Open Source
Mac
Windows
Linux
Android
iPhone
Android Tablet
iPad
Self-Hosted
Cloudron
License model
Freemium • Open Source
Application types
VPN Client
VPN Service
Country of Origin
United States
Platforms
Mac
Windows
Linux
Android
iPhone
Android Tablet
iPad
Self-Hosted
Cloudron
Properties
Privacy focused
Lightweight
Features
Online Anonymity
Cisco AnyConnect
OpenVPN
No Logs
Encrypted VPN
Voice Chat
No registration required
Ad-free
No Tracking
Private repositories
OS deployment
Keepass integration
Best alternatives are WireGuardandSoftEther VPN53 alternatives
Zotero
446 likes
Zotero is a free, easy-to-use tool to help you collect, organize, share research and cite your research sources directly in your favourite word processor, with 300 MB free online storage.
Research Manager
Freemium • Open Source
Mac
Windows
Linux
Android
iPhone
Android Tablet
iPad
Microsoft Edge
Google Chrome
Safari
Microsoft Word
Google Docs
LibreOffice
Mozilla Firefox
License model
Freemium • Open Source
Application types
Research Manager
Document Manager
Country of Origin
United States
Platforms
Mac
Windows
Linux
Android
iPhone
Android Tablet
iPad
Microsoft Edge
Google Chrome
Safari
Microsoft Word
Google Docs
LibreOffice
Mozilla Firefox
+2
Top Zotero Features
Browser integration
LibreOffice Integration
Microsoft Office integration
Ad-free
PDF annotation
Cloud Sync
Works Offline
File Tagging
Full-Text Search
Dark Mode
Extensible by Plugins/Extensions
Built-in viewer
Best alternatives are MendeleyandQiqqa73 alternatives
Zettlr
227 likes
Comprehensive writing tool for notes, citations, and drafting with privacy-first features and multi-language support, perfect for diverse writing tasks.
Novel Authoring Tool
Free • Open Source
Mac
Windows
Linux
Flathub
License model
Free • Open Source
Application types
Novel Authoring Tool
Note-taking Tool
Country of Origin
Germany
EU
Platforms
Mac
Windows
Linux
Flathub
+5
Properties
Privacy focused
Features
Support for MarkDown
Zettelkasten note method
File Tagging
Multiple export options
Zotero integration
Note organization
Ad-free
Works Offline
Syntax Highlighting
Dark Mode
No Tracking
Hierarchical Structure
Best alternatives are ObsidianandJoplin161 alternatives
GPT4ALL
116 likes
An ecosystem of open-source chatbots trained on a massive collections of clean assistant data including code, stories and dialogue.
Large Language Model (LLM) Tool
Free • Open Source
Mac
Windows
Linux
Flathub
License model
Free • Open Source
Application types
Large Language Model (LLM) Tool
AI Chatbot
Country of Origin
United States
Platforms
Mac
Windows
Linux
Flathub
Properties
Privacy focused
Distraction-free
Features
Ad-free
No Coding Required
Dark Mode
Works Offline
No Tracking
Text to Image Generation
No registration required
Chat with documents
Offline
AI-Powered
Best alternatives are PerplexityandJan.ai154 alternatives

Proton Pass

License model

Application types

Country of Origin

Platforms

Properties

Features

Notesnook

License model

Application types

Country of Origin

Platforms

Properties

Features

f.lux

License model

Application types

Country of Origin

Platforms

Properties

Features

Tuta Mail

License model

Application types

Country of Origin

Platforms

Properties

Features

Mullvad Browser

License model

Application types

Country of Origin

Platforms

Properties

Features

Portmaster

License model

Application types

Country of Origin

Platforms

Properties

Features

FreeCAD

License model

Application types

Country of Origin

Platforms

Top FreeCAD Features

Opera

License model

Application types

Country of Origin

Platforms

Top Opera Features

LibreOffice - Calc

License model

Application type

Country of Origin

Platforms

Properties

Features

CopyQ

License model

Application types

Country of Origin

Platforms

Properties

Features

Double Commander

License model

Application types

Country of Origin

Platforms

Properties

Features

OpenVPN Connect

License model

Application types

Country of Origin

Platforms