Windows Software Page 101 of 1521

Browse 38,009 Windows Software on AlternativeTo with popular options like Free and Open Source.

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  1. Haxe icon
     46 likes

    Haxe is an open source toolkit based on a modern high level strictly typed programming language, a state-of-the-art light-speed cross-compiler, a complete cross-platform standard library, and ways to access to each platform's native capabilities.

    Haxe screenshot 1
    75 alternatives
  2. FileMaker is a cross-platform relational database application. It integrates a database engine with a graphical user interface and security features, allowing users to modify the database by dragging new elements into layouts, screens, or forms.

    CRM
    83 alternatives
  3. Umbrello icon
     40 likes

    Umbrello is a Unified Modelling Language (UML) modelling tool and code generator. It can create diagrams of software and other systems in the industry-standard UML format, and can also generate code from UML diagrams in a variety of programming languages.

    Umbrello screenshot 1
    52 alternatives
  4. webui-aria2 icon
     26 likes

    The aim for webui-aria2 is to create the worlds best interface to interact with aria2. Very simple to use, just download and open index.html in any web browser.

    webui-aria2 screenshot 1
    75 alternatives
  5. Store your unique credentials on a hardware-backed security key and take it wherever you go from mobile to desktop. No more storing sensitive secrets on your mobile phone, leaving your account vulnerable to takeovers.

    • Authenticator
    • FreeOpen Source
    • Mac
    • Windows
    • Linux
    • Android
    • iPhone
    • iPad
    Yubico Authenticator screenshot 1
    16 alternatives
  6. mSpy icon
     41 likes

    Remotely monitors calls, messages, GPS location, app usage, browsing, deleted texts, keylogs, and major social media in stealth mode on Android and iOS.

    mSpy screenshot 1
    55 alternatives
  7. Xenus Link Sleuth checks Web sites for broken links. Link verification is done on "normal" links, images, frames, plug-ins, backgrounds, local image maps, style sheets, scripts and java applets.

    • Discontinued
    • FreeProprietary
    • Windows
    • Wine
    Xenu's Link Sleuth screenshot 1
    59 alternatives
  8. PhoXoSee icon
     4 likes

    PhoXoSee is a blazing fast and lightweight image viewer, Highly optimized at only 3.8MB in size, it brings you ultra-fast loading speeds and minimal memory usage. It features powerful real-time image processing that enhances your viewing experience.

    PhoXoSee screenshot 1
    34 alternatives
  9. Bitmessage icon
     52 likes

    Bitmessage is a P2P communications protocol used to send encrypted messages to another person or to many subscribers. It is decentralized and trustless, meaning that you need-not inherently trust any entities like root certificate authorities.

    Bitmessage screenshot 1
    57 alternatives
  10. ReSharper icon
     72 likes

    JetBrains ReSharper for Visual Studio redefines the notions of developer productivity and code editing usability as applied to .NET. It provides efficient navigation and search features, industry-leading refactorings, smart code completion, and much more.

    • PaidProprietary
    • Windows
    • Microsoft Visual Studio
    ReSharper screenshot 1
    9 alternatives
  11. Ionic Framework icon
     40 likes

    Ionic is an open source app development toolkit for building modern, fast, top-quality cross-platform native and Progressive Web Apps from a single codebase with JavaScript and the Web.

    • FreeOpen Source
    • Mac
    • Windows
    • Linux
    • JavaScript
    • Sass
    34 alternatives
  12. Sleipnir icon
     67 likes

    Sleipnir is a Japanese tabbed web browser, released by Fenrir Inc. It is designed to be a highly customizable browser that you can configure to suit your individual needs. With Sleipnir, you can create your ideal browser by changing the design, skin, and visual appearance. You c.

    • Web Browser
    • FreeProprietary
    • Mac
    • Windows
    • Android
    • iPhone
    • Windows Phone
    • iPad
    Windows 10
    132 alternatives
  13. WebAssembly icon
     9 likes

    WebAssembly or wasm is a new portable, size- and load-time-efficient format suitable for compilation to the web.

    • FreeOpen Source
    • Mac
    • Windows
    • Linux
    • Microsoft Edge
    • Safari
    • Firefox
    5 alternatives
  14. Welcome to the MultiZen Browser project. This is an open-source multi-session browser, primarily designed for private browsing. It was developed out of a need for a substantial multi-session tool.

    • Discontinued
    • Web Browser
    • FreeOpen Source
    • Mac
    • Windows
    • Linux
    MultiZen Browser screenshot 1
    49 alternatives
  15. Fly Photos icon
     3 likes

    Fly Photos is a blazing-fast, ultra-lightweight photo viewer for Windows that revives the beloved user experience of the discontinued Google Picasa Photo Viewer . Designed as an ideal replacement, it offers immediate loading of large images — including raw files over 100?

    Fly Photos screenshot from the official GitHub repo as of 9th October 2025
    54 alternatives
  16. Librevault icon
     40 likes

    Librevault is an open-source peer-to-peer file synchronization program, designed with convenience and privacy in mind. Our goal is to make a better alternative to BitTorrent Sync and Syncthing.

    Librevault screenshot 1
    60 alternatives
  17. RunaBook icon
     24 likes

    RunaBook is a tool for creating notes, managing tasks, and establishing knowledge bases. It features a tree-structured record system for easy organization, and offers various field types for data entry, such as text, number, date/time, and labels.

    • Free PersonalProprietary
    • Mac
    • Windows
    • Linux
    RunaBook screenshot 1
    29 alternatives