Open/Free soft must have

1. 

   

   Double Commander

    Like

   File manager

   Cost / License

   • Free
   • Open Source

   Application types

   • File Manager
   • File Comparison Tool

   Platforms

   • Mac
   • Windows
   • Linux
   • BSD

   

   

   

   +7

   
2. 

   

   SumatraPDF

    Like

   PDF/DjVu/EPUB/XPS/CHM/CBR/CBZ/MOBI viewer

   Cost / License

   • Free
   • Open Source

   Application types

   • PDF Reader
   • Ebook Reader

   Platforms

   • Windows

   

   

   

   +3

   
3. 

   

   LibreOffice

    Like

   Office suite

   Cost / License

   • Free
   • Open Source

   Application types

   • Word Processor
   • Spreadsheet App

   Platforms

   • Mac
   • Windows
   • Linux
   • Android
   • BSD
   • Snapcraft
   • Flathub
   • PortableApps.com
   • F-Droid
   • Flatpak

   

   

   

   +8

   
4. 

   

   FreeCAD

    Like

   3D CAD

   Cost / License

   • Free
   • Open Source

   Application types

   • CAD Software
   • 3D Modeler

   Platforms

   • Mac
   • Windows
   • Linux
   • BSD
   • Snapcraft
   • Flathub
   • PortableApps.com
   • Flatpak

   

   

   

   +5

   
5. 

   

   LibreCAD

    Like

   2D CAD

   Cost / License

   • Free
   • Open Source

   Application types

   • CAD Software
   • 3D Modeler

   Platforms

   • Mac
   • Windows
   • Linux
   • BSD
   • PortableApps.com
   • Flathub

   

   

   

   +1

   
6. 

   

   Mutt

    Like

   Mail client

   Cost / License

   • Free
   • Open Source

   Application type

   • Email Client

   Platforms

   • Mac
   • Windows
   • Linux
   • Xfce

   
7. 

   

   Inkscape

    Like

   Vector graphics editor

   Cost / License

   • Free
   • Open Source

   Application types

   • Vector Graphic App
   • Digital Painting Tool

   Platforms

   • Mac
   • Windows
   • Linux
   • BSD
   • Snapcraft
   • Flathub
   • PortableApps.com
   • Haiku

   

   

   

   +8

   
8. 

   

   Vim

    Like

   Text editor

   Cost / License

   • Free
   • Open Source

   Application types

   • Code Editor
   • Text Editor

   Platforms

   • Mac
   • Windows
   • Linux
   • BSD
   • Haiku
   • AmigaOS
   • OpenSolaris
   • MorphOS
   • Flathub
   • Flatpak
   • Snapcraft

   

   

   
9. 

   

   KeePass

    Like

   Password manager

   Cost / License

   • Free
   • Open Source

   Application types

   • Password Manager
   • Authenticator

   Platforms

   • Mac
   • Windows
   • Linux
   • BSD
   • Mono

   

   

   

   +5

   
10. 

    

    Thunderbird

     Like

    Mail client

    Cost / License

    • Free
    • Open Source

    Application types

    • Email Client
    • Calendar App

    Platforms

    • Mac
    • Windows
    • Linux
    • Android
    • BSD
    • AppImageHub
    • Snapcraft
    • Flathub
    • PortableApps.com
    • F-Droid
    • Haiku
    • Homebrew
    • Chocolatey

    

    

    

    +8

    
11. 

    

    7-Zip

     Like

    File archiver

    Cost / License

    • Free
    • Open Source

    Application types

    • File Archiver
    • File Compressor

    Platforms

    • Mac
    • Windows
    • Linux
    • BSD
    • PortableApps.com
    • ReactOS

    

    

    
12. 

    

    GNU Emacs

     Like

    Text editor

    Cost / License

    • Free
    • Open Source

    Application types

    • Text Editor
    • Code Editor

    Platforms

    • Mac
    • Windows
    • Linux
    • Android
    • BSD
    • Snapcraft
    • F-Droid
    • Haiku
    • Debian
    • MacPorts
    • Homebrew

    

    

    

    +6

    
13. 

    

    Lynx

     Like

    Browser

    Cost / License

    • Free
    • Open Source

    Application types

    • Web Browser
    • Terminal Emulator

    Platforms

    • Mac
    • Windows
    • Linux
    • BSD
    • PortableApps.com
    • Xfce

    

    
14. 

    

    Tor

     Like

    Tor Browser

    Cost / License

    • Free
    • Open Source

    Application types

    • Anonymizing Network
    • Privacy Tool

    Platforms

    • Mac
    • Windows
    • Linux
    • BSD

    

    
15. 

    

    Mp3tag

     Like

    Metadata editor for audio and video files

    Cost / License

    • Free
    • Proprietary

    Application types

    • Mp3 Tag Editor
    • Metadata Editor

    Platforms

    • Mac
    • Windows

    

    

    

    +4

    
16. 

    

    Transmission

     Like

    Torrent client

    Cost / License

    • Free
    • Open Source

    Application types

    • Torrent Client
    • Peer-to-Peer File Sharing

    Platforms

    • Mac
    • Windows
    • Linux
    • BSD
    • Flathub
    • PortableApps.com
    • Haiku
    • Cloudron
    • Xfce

    

    

    

    +3

    
17. 

    

    LMMS

     Like

    Music creation

    Cost / License

    • Free
    • Open Source

    Application types

    • Music Production App
    • Digital Audio Workstation

    Platforms

    • Mac
    • Windows
    • Linux
    • BSD
    • Flathub
    • PortableApps.com
    • Haiku
    • Flatpak

    

    

    

    +2

    
18. 

    

    Links

     Like

    Browser

    Cost / License

    • Free
    • Open Source

    Application type

    • Web Browser

    Platforms

    • Mac
    • Windows
    • Linux
    • Snapcraft

    

    

    
19. 

    

    Opera

     Like

    Browser

    Cost / License

    • Free
    • Proprietary

    Application types

    • Web Browser
    • Ad Blocker

    Platforms

    • Mac
    • Windows
    • Linux
    • Android
    • iPhone
    • Android Tablet
    • iPad
    • Flathub
    • PortableApps.com
    • Kindle Fire
    • Flatpak

    

    

    

    +16

    
20. 

    

    GIMP

     Like

    Photos & Graphics editor

    Cost / License

    • Free
    • Open Source

    Application types

    • Image Editor
    • Digital Painting Tool

    Platforms

    • Mac
    • Windows
    • Linux
    • BSD
    • Snapcraft
    • Flathub
    • PortableApps.com
    • Haiku
    • Flatpak
    • AmigaOS

    

    

    

    +5

    
21. 

    

    Kdenlive

     Like

    Video editor

    Cost / License

    • Free
    • Open Source

    Application types

    • Video Editor
    • Animated GIF Creator

    Platforms

    • Mac
    • Windows
    • Linux
    • BSD
    • KDE Plasma
    • Snapcraft
    • Flathub
    • Flatpak

    

    

    

    +2

    

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