Open Source Mac Software

Browse 11,336 Open Source Mac Software on AlternativeTo with popular options like Mac and Mac + Free.

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  1. Mozilla Firefox icon
     7792 likes

    Open-source browser with Gecko engine, supporting HTML add-ons and providing privacy features like Enhanced Tracking Protection and third-party cookie blocking.

    Cost / License

    • Free
    • Open Source

    Application type

    Since

    • Since 2008

    Platforms

    • Windows
    • Mac
    • Linux
    • BSD
    • Android
    • iPhone
    • Linux Mobile
    • iPad
    • Android Tablet
    • PortableApps.com
    • US flagUnited States
    More protection from the start
    Firefox Desktop (Light Theme)
    Firefox Desktop (Dark Theme)
    +8
    Firefox iOS (Light Theme)
    276 alternatives
    4.2
    Very Good286 ratings
  2. VLC Media Player icon
     7961 likes

    Cross-platform, free media player supports multimedia files, DVDs, streaming, offers hardware acceleration, 4K, lossless audio, and more.

    Cost / License

    Application type

    Since

    • Since 2009

    Platforms

    • Windows
    • Mac
    • Linux
    • BSD
    • Android
    • iPhone
    • iPad
    • Android Tablet
    • Kindle Fire
    • Apple Watch
    • FR flagFrance
    • European Union flagEU
    VLC Media Player screenshot 1
    VLC Media Player screenshot 1
    VLC Media Player screenshot 2
    +4
    VLC Media Player screenshot 3
    215 alternatives
    4.4
    Very Good206 ratings
  3. LibreOffice icon
     3291 likes

    Free and open-source office suite with advanced word processing, spreadsheets, presentations, vector graphics, math formula editor, and database tools.

    Cost / License

    Application type

    Since

    • Since 2010

    Platforms

    • Windows
    • Mac
    • Linux
    • BSD
    • Android
    • PortableApps.com
    • Flathub
    • OpenAPK
    • Snapcraft
    • Flatpak
    • DE flagGermany
    • European Union flagEU
    LibreOffice Writer on Linux
    LibreOffice Calc on Linux
    Main menu (old version)
    +11
    LibreOffice Writer on Windows 7
    68 alternatives
    4.5
    Excellent127 ratings
  4. 7-Zip icon
     4900 likes

    Efficient file archiver offering superior compression and encryption. Supports multiple formats such as TAR, ZIP, with a unique self-extracting feature.

    Cost / License

    Application type

    Since

    • Since 2008

    Platforms

    • Windows
    • Mac
    • Linux
    • BSD
    • Arch Linux
    • PortableApps.com
    • ReactOS
    • RU flagRussia
    Main Window
    Add to Archive
    Options
    136 alternatives
    4.6
    Excellent127 ratings
  5. GIMP icon
     4881 likes

    Free open-source suite with advanced photo retouching, composition, batch processing, plugin extensibility, custom scripting, and wide file format compatibility.

    Cost / License

    Application type

    Since

    • Since 2009

    Platforms

    • Windows
    • Mac
    • Linux
    • BSD
    • PortableApps.com
    • Haiku
    • AmigaOS
    • Flathub
    • Snapcraft
    • Flatpak
    • AppImage
    • US flagUnited States
    GIMP screenshot 1
    GIMP 2.99.18 on Windows, non-default theme.
    GIMP screenshot 2
    +5
    GIMP screenshot 3
    236 alternatives
    4.4
    Very Good112 ratings
  6. Bitwarden icon
     1523 likes

    Open-source password manager with AES-256 encryption and device sync. Store and access encrypted logins across platforms like iOS and Android.

    Cost / License

    Application type

    Since

    • Since 2016

    Platforms

    • Windows
    • Mac
    • Linux
    • Online
    • Software as a Service (SaaS)
    • Self-Hosted
    • Android
    • iPhone
    • iPad
    • Android Tablet
    • US flagUnited States
    Bitwarden screenshot 1
    Bitwarden screenshot 1
    Bitwarden screenshot 2
    +11
    Bitwarden screenshot 3
    280 alternatives
    4.7
    Excellent167 ratings
  7. Thunderbird icon
     2658 likes

    Cross-platform email client providing POP/IMAP support, robust filtering, multiple accounts, and chat. Extendable via add-ons with RSS/Atom, etc.

    Cost / License

    Application type

    Since

    • Since 2009

    Platforms

    • Windows
    • Mac
    • Linux
    • BSD
    • Android
    • PortableApps.com
    • F-Droid
    • Flathub
    • OpenAPK
    • Snapcraft
    • US flagUnited States
    Thunderbird screenshot 1
    Thunderbird screenshot 1
    Thunderbird screenshot 2
    +7
    Thunderbird screenshot 3
    112 alternatives
  8. Zen Browser icon
     407 likes

    Experience a privacy-focused, open-source browser rich with features like vertical tabs, Split View, Zen Glance, and extensive security protocols. Built on Firefox, it's currently in beta, emphasizing privacy and adaptability, with future plans for horizontal tabs.

    Cost / License

    Application type

    Since

    • Since 2024

    Platforms

    • Windows
    • Mac
    • Linux
    • Flathub
    • Flatpak
    • AppImage
    • ES flagSpain
    • European Union flagEU
    Zen Browser screenshot 1
    Zen Browser screenshot 1
    Zen Browser screenshot 2
    +4
    Zen Browser screenshot 3
    133 alternatives
    4.5
    Excellent75 ratings
  9. LocalSend icon
     525 likes

    Free open-source tool offers secure, end-to-end encrypted file and message sharing over local networks across major desktop and mobile operating systems.

    Cost / License

    Since

    • Since 2023

    Platforms

    • Windows
    • Mac
    • Linux
    • Arch Linux
    • Android
    • iPhone
    • iPad
    • Android Tablet
    • F-Droid
    • Flathub
    • DE flagGermany
    • European Union flagEU
    LocalSend screenshot 1
    LocalSend screenshot 1
    LocalSend screenshot 2
    +5
    LocalSend screenshot 3
    178 alternatives
    4.8
    Excellent63 ratings
  10. Signal icon
     1510 likes

    An encrypted messaging app focused on privacy, supporting texts, calls, photos, videos, files, and group chats, with no ads or trackers.

    Cost / License

    Application type

    Since

    • Since 2014

    Platforms

    • Windows
    • Mac
    • Linux
    • Debian
    • Ubuntu
    • Android
    • iPhone
    • iPad
    • Android Tablet
    • Android Auto
    • US flagUnited States
    Signal screenshot 1
    Signal screenshot 2
    Signal screenshot 3
    280 alternatives
    4.5
    Excellent101 ratings
  11. VirtualBox icon
     3015 likes

    Open source virtualization tool supporting x86/AMD64, runs on Windows, Linux, Mac, Solaris. Offers portable, lightweight, ad-free use.

    Cost / License

    Application type

    Since

    • Since 2009

    Platforms

    • Windows
    • Mac
    • Linux
    • BSD
    • Oracle Solaris
    • US flagUnited States
    VirtualBox Manager
    Create Virtual Machine
    Setting of an OS
    +5
    Instaling Windows 10 as Virtual Machine
    75 alternatives
    4.5
    Excellent41 ratings
  12. HandBrake icon
     2107 likes

    An open-source multithreaded video transcoder, HandBrake compresses and converts digital media, supporting MP4, MKV formats, and offers hardware-accelerated conversion.

    Cost / License

    • Free
    • Open Source

    Application type

    Since

    • Since 2009

    Platforms

    • Windows
    • Mac
    • Linux
    • BSD
    • Haiku
    • Flathub
    • Snapcraft
    • Flatpak
    • Global
    HandBrake screenshot 1
    HandBrake screenshot 1
    HandBrake screenshot 2
    232 alternatives
    4.4
    Very Good57 ratings
  13. Brave icon
     1345 likes

    Fast, secure browser with built-in ad block, privacy controls, and global tracking protections. Optimizes data, speed, and battery life.

    Cost / License

    Application type

    Since

    • Since 2016

    Platforms

    • Windows
    • Mac
    • Linux
    • Android
    • iPhone
    • iPad
    • Android Tablet
    • Epic Games Store
    • F-Droid
    • Flathub
    • US flagUnited States
    Brave screenshot 1
    Brave screenshot 1
    Brave screenshot 2
    +4
    Brave screenshot 3
    284 alternatives
    4.0
    Very Good169 ratings
  14. Audacity icon
     2476 likes

    Free open-source multi-track audio editor and recorder with 32-bit float processing. Supports many formats and plugins for Windows, macOS, Linux.

    Cost / License

    • Free
    • Open Source

    Application type

    Since

    • Since 2009

    Platforms

    • Windows
    • Mac
    • Linux
    • BSD
    • PortableApps.com
    • Haiku
    • Flathub
    • AppImageHub
    • CY flagCyprus
    • European Union flagEU
    Audacity screenshot 1
    Audacity screenshot 1
    Audacity screenshot 2
    +6
    Audacity screenshot 3
    153 alternatives
    3.4
  15. Proton Mail icon
     1163 likes

    Secure Swiss-based email with end-to-end encryption and zero third-party access. Available across devices, offering a free version to promote privacy.

    Cost / License

    Application type

    Since

    • Since 2014

    Platforms

    • Windows
    • Mac
    • Linux
    • Online
    • Android
    • iPhone
    • iPad
    • Tor
    • Flathub
    • OpenAPK
    • Snapcraft
    • CH flagSwitzerland
    Proton Mail screenshot 1
    Proton Mail screenshot 1
    Proton Mail screenshot 2
    +9
    Proton Mail screenshot 3
    118 alternatives
    4.0
    Very Good104 ratings
  16. Blender icon
     1871 likes

    Free open-source 3D software for modeling, texturing, rigging, animation, rendering, compositing, video editing, and simulation.

    Cost / License

    Application type

    Since

    • Since 1994

    Platforms

    • Windows
    • Mac
    • Linux
    • BSD
    • Steam
    • PortableApps.com
    • Haiku
    • Flathub
    • Snapcraft
    • Flatpak
    • NL flagNetherlands
    • European Union flagEU
    Splash Artwork for Blender 4.3
    Cycles Render Engine
    Modeling, Sculpt, UV
    +9
    VFX
    162 alternatives
    4.8
    Excellent55 ratings
  17. Krita icon
     1516 likes

    A free, open-source painting program for professional artists offering customizable UI, 9 brush engines, layer support, and color management.

    Cost / License

    • Free
    • Open Source

    Application type

    Since

    • Since 2009

    Platforms

    • Windows
    • Mac
    • Linux
    • KDE Plasma
    • Android Tablet
    • Steam
    • PortableApps.com
    • Epic Games Store
    • F-Droid
    • AppImage
    • NL flagNetherlands
    • European Union flagEU
    Krita screenshot 1
    Krita screenshot 1
    Krita screenshot 2
    +6
    Main Window
    175 alternatives
    4.6
    Excellent65 ratings
  18. calibre icon
     1586 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.

    Cost / License

    Application type

    Since

    • Since 2009

    Platforms

    • Windows
    • Mac
    • Linux
    • BSD
    • Self-Hosted
    • PortableApps.com
    • Haiku
    • Flathub
    • Homebrew
    • IN flagIndia
    calibre screenshot 1
    calibre screenshot 1
    calibre screenshot 2
    +3
    calibre screenshot 3
    154 alternatives
    4.1
    Very Good46 ratings
  19. Tor Browser icon
     1147 likes

    The Tor software protects you by bouncing your communications around a distributed network of relays run by volunteers all around the world: it prevents somebody watching your Internet connection from learning what sites you visit, it prevents the sites you visit from learning...

    Cost / License

    Application type

    Since

    • Since 2012

    Platforms

    • Windows
    • Mac
    • Linux
    • OpenBSD
    • Android
    • Flathub
    • US flagUnited States
    Tor Browser screenshot 1
    Tor Browser screenshot 1
    Tor Browser 10.0.3 is now based on the new version of Firefox for Android.
    +1
    Tor browser for android alpha
    83 alternatives
    4.7
    Excellent51 ratings
  20. Syncthing icon
     942 likes

    Open-source, decentralized alternative ensuring data ownership with encrypted communication and peer-to-peer sync, void of central server reliance.

    Cost / License

    Application type

    Since

    • Since 2014

    Platforms

    • Windows
    • Mac
    • Linux
    • BSD
    • Self-Hosted
    • Cloudron
    • Terminal
    • Termux
    • SE flagSweden
    • European Union flagEU
    Syncthing screenshot 1
    149 alternatives
    4.2
    Very Good55 ratings
  21. Joplin icon
     959 likes

    Open source note-taking app with Markdown support, to-do integration, and synchronization with cloud services like Dropbox and OneDrive.

    Cost / License

    Application type

    Since

    • Since 2017

    Platforms

    • Windows
    • Mac
    • Linux
    • Online
    • Self-Hosted
    • Android
    • iPhone
    • iPad
    • Android Tablet
    • PortableApps.com
    • FR flagFrance
    • European Union flagEU
    Joplin screenshot 1
    Joplin screenshot 1
    Joplin screenshot 2
    +7
    Joplin screenshot 3
    273 alternatives
    4.5
    Excellent100 ratings