SeaMonkey Alternatives

SeaMonkey is described as 'Web-browser, advanced e-mail, newsgroup and feed client, IRC chat, and HTML editing in one application. Itis built on the open source Mozilla Gecko engine, the same code which underlies Thunderbird and is the base for the Firefox browser' and is a very popular Web Browser in the web browsers category. There are more than 100 alternatives to SeaMonkey for a variety of platforms, including Windows, Mac, Linux, Android and iPhone apps. The best SeaMonkey alternative is Mozilla Firefox, which is both free and Open Source. Other great apps like SeaMonkey are Thunderbird, Brave, Google Chrome and Vivaldi.

filter to find the best alternatives

SeaMonkey alternatives are mainly Web Browsers, but if you're looking for Ad Blockers or Email Clients you can filter on that. Other popular filters include Android. These are just examples - use the filter bar below to find more specific alternatives to SeaMonkey.
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Alternatives
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Alternatives list

  1. Ulaa icon
     4 likes

    A browser that respects your privacy, protects your personal data, and is designed to upgrade the way you work online but it's chromium based browser.

    Cost / License

    • Free
    • Proprietary

    Application type

    Platforms

    • Mac
    • Windows
    • Linux
    • Android
    • iPhone
    • Android Tablet
    • iPad
    • Flathub
    • Flatpak
    Good alternative?
     
  2. Epic Browser icon
     24 likes

    Privacy-focused web browser based on Chromium with Google tracking code removed.

    113 Epic Browser alternatives

    Cost / License

    • Free
    • Proprietary

    Application type

    Alerts

    • Discontinued

    Platforms

    • Mac
    • Windows
    • Android
    • iPhone
    • Android Tablet
    • iPad
    Good alternative?
     
  3. Mypal icon
     9 likes

    Mypal is a current and maintained Windows XP web browser. Mypal is based on Mozilla Firefox code from a couple years ago, but is still actively maintained with security and feature updates by the developer.

    11 Mypal alternatives

    Cost / License

    • Free
    • Open Source

    Application type

    Platforms

    • Windows
    Good alternative?
     
  4. Diigo Browser icon
     10 likes

    Diigo browser (formerly iChromy) brings the best of Chrome’s interface, speed and Diigo 's web annotation service to the iPad.

    Cost / License

    • Freemium
    • Proprietary

    Application type

    Platforms

    • iPhone
    • iPad
    Good alternative?
     
  5. Boasts advanced ad blocking, robust data encryption, secure file vault with encrypted downloads, real-time web protection, privacy cleaner, browser lock with passcode or biometrics, flexible search engine choice, tracking protection, and dark mode support.

    Cost / License

    • Free
    • Proprietary

    Application type

    Platforms

    • Mac
    • Windows
    • Android
    • iPhone
    • iPad
    Good alternative?
     
  6. Rekonq icon
     27 likes

    Rekonq is a web browser for KDE based on WebKit. It first focuses on being a light, fast & clean way to access to net. Its development is doubly based on using the new amazing features offered by the WebKit rendering engine and on the rock solid network KDE technologies.

    96 Rekonq alternatives

    Cost / License

    • Free
    • Open Source

    Application type

    Alerts

    • Discontinued

    Platforms

    • Windows
    • Linux
    • KDE
    Good alternative?
     
  7. KVIrc icon
     45 likes

    Free open-source IRC client offering cross-platform support, Qt interface, rich scripting, customizable themes, Unicode, SSL encryption, logging, multi-server connectivity, DCC file transfers, plugin system, event automation, proxy and IPv6 compatibility, and localization.

    Cost / License

    Application type

    Platforms

    • Mac
    • Windows
    • Linux
    • BSD
    • PortableApps.com
    Good alternative?
     
  8. Halloy icon
     4 likes

    Halloy is an open-source IRC client written in Rust, with the Iced GUI library. It aims to provide a simple and fast client for Mac, Windows, and Linux platforms.

    Cost / License

    Platforms

    • Windows
    • Linux
    • Mac
    • Flathub
    • Snapcraft
    Good alternative?
     
  9. Skye icon
     1 like

    The next generation Web Browser.

    Cost / License

    Application type

    Alerts

    • Discontinued

    Platforms

    • Mac
    • Windows
    • Linux
    Good alternative?
     
  10. Nav0 icon
     3 likes

    Nav0 is a minimal Chromium-based desktop browser that deliberately omits what most browsers pile on - no AI assistant, no account or sync, no crypto wallet, no bundled VPN. Built on Electron, it targets measurably lower memory and CPU under heavy tab load than Chrome.

    51 Nav0 alternatives

    Cost / License

    • Free
    • Open Source (MIT)

    Application type

    Platforms

    • Windows
    • Mac
    • Linux
    Good alternative?
     
  11. Historically, Iceape was a re-branding of SeaMonkey by the Debian project. However, Debian discontinued Iceape in December 2013 citing security concerns and lack of a maintainer.

    Cost / License

    • Free
    • Open Source

    Application type

    Platforms

    • Linux
    Good alternative?
     
  12. Surf icon
     12 likes

    surf is a simple web browser based on WebKit2/GTK+. It is able to display websites and follow links. It supports the XEmbed protocol which makes it possible to embed it in another application. Furthermore, one can point surf to another URI by setting its XProperties.

    89 Surf alternatives

    Cost / License

    • Free
    • Open Source

    Application type

    Platforms

    • Linux
    Good alternative?
     
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