Open Source Windows Software

All apps in Open Source Windows Software category. Use the filters below to narrow down your search. 

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  1. Mozilla Firefox icon
     7417 likes

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

    • Web Browser
    • FreeOpen Source
    • Mac
    • Windows
    • Linux
    • Android
    • iPhone
    • Android Tablet
    • BSD
    • iPad
    • AppImageHub
    • Snapcraft
    • Flathub
    • Samsung Galaxy Store
    • PortableApps.com
    • Haiku
    • Flatpak
    • Homebrew
    • Chocolatey
    • Gecko
    Firefox Desktop (Light Theme)
    Best alternatives are Waterfox iconWaterfoxandVivaldi iconVivaldi230 alternatives
  2. VLC Media Player icon
     7600 likes

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

    • Audio Player
    • FreeOpen Source
    • Mac
    • Windows
    • Linux
    • Android
    • iPhone
    • Android Tablet
    • BSD
    • iPad
    • AppImageHub
    • Apple Watch
    • Snapcraft
    • Google Chrome
    • Apple TV
    • Flathub
    • PortableApps.com
    • F-Droid
    • Kindle Fire
    • Haiku
    • Android TV
    • Homebrew
    • Chocolatey
    VLC Media Player screenshot 1
    Best alternatives are MPC-HC iconMPC-HCandMPV iconMPV285 alternatives
  3. 7-Zip icon
     4694 likes

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

    • File Archiver
    • FreeOpen Source
    • Mac
    • Windows
    • Linux
    • BSD
    • PortableApps.com
    • ReactOS
    Main Window
    Best alternatives are PeaZip iconPeaZipandBandizip iconBandizip109 alternatives
  4. Bitwarden icon
     1248 likes

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

    • Password Manager
    • FreemiumOpen Source
    • Mac
    • Windows
    • Linux
    • Online
    • Android
    • iPhone
    • Android Tablet
    • iPad
    • Self-Hosted
    • Apple Watch
    • Snapcraft
    • Microsoft Edge
    • Vivaldi
    • Google Chrome
    • Flathub
    • Microsoft SQL Server
    • Tor Browser
    • Safari
    • F-Droid
    • Software as a Service (SaaS)
    • Flatpak
    • Cloudron
    • Opera
    • Chocolatey
    • Mono
    • Brave
    • Mozilla Firefox
    Bitwarden screenshot 1
    Best alternatives are KeePass iconKeePassandKeePassXC iconKeePassXC209 alternatives
  5. GIMP icon
     4649 likes

    Advanced image manipulation tool offering comprehensive tools for photo retouching, composition, and batch processing in a free package.

    • Digital Painting Tool
    • FreeOpen Source
    • Mac
    • Windows
    • Linux
    • BSD
    • Snapcraft
    • Flathub
    • PortableApps.com
    • Haiku
    • Flatpak
    • AmigaOS
    yes
    Best alternatives are Krita iconKritaandPaint.NET iconPaint.NET184 alternatives
  6. LibreOffice icon
     2998 likes

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

    • Word Processor
    • FreeOpen Source
    • Mac
    • Windows
    • Linux
    • Android
    • BSD
    • Snapcraft
    • Flathub
    • PortableApps.com
    • F-Droid
    • Flatpak
    LibreOffice Writer on Linux
    Best alternatives are ONLYOFFICE iconONLYOFFICEandWPS Office iconWPS Office51 alternatives
  7. Stremio icon
     2620 likes

    Media center supporting movies, series, YouTube, and smartTV casting via DLNA/Chromecast. Offers HD, subtitles, add-ons, with no registration needed. Notice of new episodes.

    • Video Streaming App
    • FreeOpen Source
    • Mac
    • Windows
    • Linux
    • Android
    • iPhone
    • Android Tablet
    • Flathub
    • Flatpak
    Website
    Best alternatives are Netflix iconNetflixandKodi iconKodi95 alternatives
  8. Notepad++ icon
     4868 likes

    Free open-source code editor and Notepad replacement supporting multiple languages, featuring high speed, low resource usage, privacy focus, and plugin extensibility.

    Notepad++ screenshot 1
    Best alternatives are Sublime Text iconSublime Text228 alternatives
  9. qBittorrent icon
     1699 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
    • FreeOpen Source
    • Mac
    • Windows
    • Linux
    • BSD
    • AppImageHub
    • Snapcraft
    • Flathub
    • PortableApps.com
    • Haiku
    qBittorrent screenshot 1
    Best alternatives are Transmission iconTransmissionandDeluge iconDeluge73 alternatives
  10. Signal icon
     1275 likes

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

    • Instant Messenger
    • FreeOpen Source
    • Mac
    • Windows
    • Linux
    • Android
    • iPhone
    • iPad
    • Flathub
    • Ubuntu
    • Debian
    Signal screenshot 1
    Best alternatives are Element iconElementandTox iconTox219 alternatives
  11. Thunderbird icon
     2457 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
    • FreeOpen Source
    • Mac
    • Windows
    • Linux
    • Android
    • BSD
    • AppImageHub
    • Snapcraft
    • Flathub
    • PortableApps.com
    • F-Droid
    • Haiku
    • Homebrew
    • Chocolatey
    Thunderbird screenshot 1
    Best alternatives are K-9 Mail iconK-9 MailandClaws Mail iconClaws Mail84 alternatives
  12. Brave icon
     1073 likes

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

    • Web Browser
    • FreeOpen Source
    • Mac
    • Windows
    • Linux
    • Android
    • iPhone
    • Android Tablet
    • iPad
    • Snapcraft
    • Flathub
    • Homebrew
    • Chocolatey
    Brave screenshot 1
    Best alternatives are Mozilla Firefox iconMozilla Firefox225 alternatives
  13. LocalSend icon
     247 likes

    LocalSend is a free, open-source, cross-platform file-sharing tool designed to securely share files and messages with nearby devices over your local network without needing an internet connection. Here are some of its key features:

    • Large File Transfer Service
    • FreeOpen Source
    • Mac
    • Windows
    • Linux
    • Android
    • iPhone
    • Android Tablet
    • iPad
    • AppImageHub
    • Snapcraft
    • Flathub
    • F-Droid
    • Chocolatey
    LocalSend screenshot 1
    Best alternatives are KDE Connect iconKDE ConnectandSend iconSend91 alternatives
  14. Zen Browser icon
     174 likes

    Privacy-centric, open-source browser with unique UI features like vertical tabs, Split View, and Zen Glance, focusing on security and tranquility.

    • Web Browser
    • FreeOpen Source
    • Mac
    • Windows
    • Linux
    • Arch Linux
    • Flathub
    • Flatpak
    Zen Browser screenshot 1
    Best alternatives are Mozilla Firefox iconMozilla FirefoxandBrave iconBrave75 alternatives
  15. Inkscape icon
     2246 likes

    Open source vector graphics editor supporting SVG with features like custom brushes, pressure sensitivity, and layer management across multiple platforms.

    • Vector Graphic App
    • FreeOpen Source
    • Mac
    • Windows
    • Linux
    • BSD
    • Snapcraft
    • Flathub
    • PortableApps.com
    • Haiku
    Inkscape screenshot 1
    Best alternatives are Linearity Curve iconLinearity Curve124 alternatives