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.

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SeaMonkey alternatives page was last updated

Alternatives list

  1. Vanadium icon
     29 likes

    Privacy and security enhanced releases of Chromium for GrapheneOS. Vanadium provides the WebView and standard user-facing browser on GrapheneOS.

    85 Vanadium alternatives

    Cost / License

    • Free
    • Open Source

    Application type

    Platforms

    • Android
     
  2. Iceraven icon
     37 likes

    A web browser for Android, based on Mozilla's Fenix version of Firefox, GeckoView and Mozilla Android Components.

    201 Iceraven alternatives

    Cost / License

    Application type

    Platforms

    • Android
    • Android Tablet
     
  3. Nook Browser icon
     13 likes

    Minimal browser for Mac featuring sidebar-first navigation, “Rooms” for grouping tasks, open-source code, privacy-focused local data storage, fast performance, modern UI, native macOS APIs, support for extensions, and user-driven development.

    Cost / License

    Application type

    Platforms

    • Mac
     
  4. Dia Browser icon
     13 likes

    Browser with AI-powered sidebar enables summarizing web pages, answering questions, drafting content, comparing sites, and adapting task-specific tools for writing, research, shopping, and communication, all with privacy features like ad and tracker blocking included.

    88 Dia Browser alternatives

    Cost / License

    • Freemium
    • Proprietary

    Application type

    Platforms

    • Mac
     
  5. FireDragon icon
     19 likes

    FireDragon, derived from Floorp and based on Firefox ESR, integrates KDE through OpenSUSE patches. Includes Ublock Origin, a customizable sidebar, vertical tabs, and more.

    Cost / License

    Application type

    Platforms

    • Mac
    • Windows
    • Linux
    • Flathub
     
  6. Opera GX icon
     34 likes

    Web browser optimized for gamers, with CPU, RAM, and network limiters, Twitch and Discord sidebar integration, customizable gaming themes, GX Corner for games, news, deals, mobile sync via Flow, multitasking chat, ad blocker, and music player.

    215 Opera GX alternatives

    Cost / License

    • Free
    • Proprietary

    Application type

    Platforms

    • Mac
    • Windows
    • Android
    • iPhone
    • Android Tablet
    • iPad
     
  7. GNOME Web icon
     110 likes

    GNOME Web is the web browser for the GNOME desktop, based on the popular WebKit engine. It offers a simple, clean, beautiful view of the Web featuring first-class GNOME desktop integration. Its code name is Epiphany.

    176 GNOME Web alternatives

    Cost / License

    Application type

    Platforms

    • Linux
    • BSD
    • Linux Mobile
    • Flathub
    • GNOME
     
  8. Maxthon Browser icon
     247 likes

    Experience a fast, secure browser featuring cloud solutions, ad-blocking, anti-IP tracking, free VPN, sync across devices, and Web3 AI tools. Maxthon offers user-controlled privacy settings, incognito mode, anti-phishing, tab management, split-screen multitasking, and more.

    171 Maxthon Browser alternatives

    Cost / License

    • Free
    • Proprietary

    Application type

    Platforms

    • Mac
    • Windows
    • Android
    • iPhone
    • Android Tablet
    • iPad
     
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    1
    Maxthon Browser vs SeaMonkey Comments
    Guest
    Positive
    0

    SUPPORTED MANUAL USERAGENT AND WINDOWS XP

    Review by a new / low-activity user.
    • Maxthon Browser is Free and ProprietarySeaMonkey is Free and Open Source
  9. Opera Air icon
     13 likes

    A browser prioritizing mindfulness with smart exercises, mindful breaks, and guided meditations. Integrated AI for chatting, image creation, voice outputs. Includes Ad Blocker, adaptable UI, and a secure VPN. Harness soundscapes for stress relief and focus.

    70 Opera Air alternatives

    Cost / License

    • Free
    • Proprietary

    Application type

    Platforms

    • Mac
    • Windows
    • Linux
     
  10. qutebrowser icon
     52 likes

    An actively developed, keyboard-focused browser with a minimal GUI, inspired by other browsers/addons like dwb and Vimperator/Pentadactyl. It’s based on Python, PyQt5 and QtWebKit and free software, licensed under the GPL.

    131 qutebrowser alternatives

    Cost / License

    Application type

    Platforms

    • Mac
    • Windows
    • Linux
    • Flathub
    • Python
    • WebKit
    • Qt
    • Flatpak
     
  11. K-Meleon icon
     123 likes

    K-Meleon is an extremely fast, customizable, lightweight web browser based on the Gecko layout engine developed by Mozilla which is also used by Firefox. K-Meleon is free, open source software released under the GNU General Public License and is designed specifically for...

    Cost / License

    • Free
    • Open Source

    Application type

    Platforms

    • Windows
    • Gecko
     
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