SeaMonkey

the seamonkey project is a community effort to develop the seamonkey all-in-one internet application suite. a lighter alternative to mozilla firefox.

Free
Open Source
Mac OS X
Windows
Linux
BSD

the seamonkey project is a community effort to develop the seamonkey allinone internet application suite. a lighter alternative to mozilla firefox. such a software suite was previously made popular by netscape and mozilla, and the seamonkey project continues to develop and deliver highquality updates to this concept. containing an internet browser, email and newsgroup client, html editor, irc chat, web development tools, and with plenty of addons available, seamonkey is sure to appeal to advanced users, web developers and corporate users, as well as to those who need a fast, yet modern, web browser.

Links to official SeaMonkey sites

Features

Extensible by Plugins/Extensions Portable Built in RSS reader WYSIWYG Support Integrated Email Client Support for Firefox extensions Modular System

The Best 21 SeaMonkey Alternatives

portable filter is active.

5154 Like

Mozilla Firefox

Mozilla Firefox (known simply as Firefox) is a free and open-source web browser developed by the Mozilla Foundation and its subsidiary, the Mozilla Corporation.

Free Open Source Mac OS X Windows Linux Android iPhone Android Tablet BSD iPad

Bookmark organization Built in Download Manager Built in Script Blocker Customizable Extensible by Plugins/Extensions Firefox extension Free Speech Fully customizable layout Based on Gecko engine HTML5 Support Integrated PDF Viewer Legacy addons support Minimalistic Moddable Multiple Browser Tabs Optimal performance Portable Privacy focused Privacy protection Resume interrupted downloads Capture Screen / Take screenshots Security focused Tabbed browsing UI customization Support for WebExtensions Windows XP Compatibility
4126 Like

Google Chrome

a free web browser developed by google from the open source chromium project with a focus on speed and minimalism.

Free Mac OS X Windows Linux Android iPhone Android Tablet BSD Chrome OS

Extensible by Plugins/Extensions Integrated PDF Viewer Portable Android Sync Automatic Form Filler Based on Blink engine Built in Adobe Flash Player Based on Chromium Google integration Inspect Element Support for Javascript Support for QuickSync acceleration Place websites on desktop Supports H265 Codec User Levels Based on Webkit engine
1709 Like

Thunderbird

thunderbird is a free, open source, cross-platform e-mail, news and instant messaging client. the project strategy is modeled after mozilla firefox.

Free Open Source Windows Linux BSD Mac Haiku

Customizable Extensible by Plugins/Extensions Portable Integrated Chat Built in RSS reader Calendar integration Free API Import from Google Reader Integrated Web Browser Multiple Account support Export to OPML Import feeds from OPML POP3 Support Tabbed interface
1520 Like

Opera

Opera is a browser with innovative features, speed and security. Opera’s vision is to deliver the best Internet experience on any device and the company is committed to support and contribute to open standards.

Free Mac OS X Windows Linux Android Android Tablet BSD Windows Mobile S60

Built in Download Manager Customizable Extensible by Plugins/Extensions Portable Resume interrupted downloads Tabbed browsing Based on Blink engine Based on Chromium Sync between devices Multiple languages Built in RSS reader Tabbed interface Lightweight Privacy Protected Mouse gestures Built in VPN Dark mode Built in Ad blocker
875 Like

Chromium

Chromium is the open-source browser project from which Google Chrome takes its source.

Free Open Source Mac OS X Windows Linux Android BSD Xfce PC-BSD

Portable Based on Blink engine Based on Chromium Google Chrome extension Cross platform Optimized for fast boot Chrome like
253 Like

Pale Moon

Pale Moon is an Open Source, Goanna-based web browser available for Microsoft Windows and Linux focusing on efficiency and ease of use.

Free Open Source Windows Linux Android

Extensible by Plugins/Extensions Legacy addons support Portable Lightweight Plugin support Support for Firefox extensions Based on Firefox Optimized for Windows Based on Goanna engine Optimized Firefox
242 Like

Maxthon Cloud Browser

Maxthon is a browser with innovative features, speed and security.

Free Mac OS X Windows Linux Android iPhone Android Tablet iPad

Built in Download Manager Extensible by Plugins/Extensions Portable Tabbed browsing Built in RSS reader Built in Ad blocker Support for gestures
223 Like

Midori

Midori is a lightweight, fast, and free web browser. It aligns well with the Xfce philosophy of making the most out of available resources. It is also the default browser of the beautiful elementary os.

Free Open Source Windows Linux BSD Xfce

Portable Based on Webkit engine Built in RSS reader Lightweight Tab Stacking
158 Like

SRWare Iron

srware iron, or simply iron, is a fork of the free and open-source web browser chromium , of which google chrome is a fork of.

Free Mac OS X Windows Linux Android

Extensible by Plugins/Extensions Portable Privacy focused Based on Chromium Built in Ad blocker
120 Like

KompoZer

Easy Web Authoring! KompoZer is a complete web authoring system that combines web file management and easy-to-use WYSIWYG web page editing.

Free Open Source Mac OS X Windows Linux

Portable Multiple languages WYSIWYG Support Support for SFTP
92 Like

Firefox Developer Edition

Firefox Developer Edition brings your core dev tools together with some powerful new ones that will extend your ability to work across multiple platforms from one place. It’s everything you’re used to, only better. Available in 64-bit.

Free Open Source Windows Linux Mac

Portable Based on Firefox
91 Like

Falkon

Falkon, formerly QupZilla, is a QtWebEngine based cross-platform web browser. It aims to be a lightweight web browser available through all major platforms. Falkon has all standard functions you expect from a web browser.

Free Open Source Windows Linux BSD Mac Haiku

Extensible by Plugins/Extensions Portable Multiple languages Built in RSS reader Lightweight Built in Ad blocker Based on QTWebEngine
80 Like

Cyberfox

cyberfox is a 64-bit version (32-bit download also available) of mozilla firefox , compiled with microsoft visual studio 2012, windows 8 sdk & intel composer xe 2013. making it faster than other browsers.

Free Open Source Windows Linux

Portable Based on Firefox Support for 64 bit Specific for 64 Bit
79 Like

Comodo Dragon Internet Browser

comodo dragon is a chromium technology-based browser that offers you most of google chrome 's features plus the unparalleled level of security and privacy you only get from comodo.

Free Windows

Portable Privacy focused Privacy protection Security focused Based on Chromium
40 Like

Slimjet

Slimjet is a fast, smart and powerful web browser based on the Blink engine. It is built on top of the Chromium open source project, on which Google chrome is also based.

Free Windows Linux

Built in Download Manager Portable Capture Screen / Take screenshots Based on Blink engine Based on Chromium Facebook integration Mouse gestures Built in Ad blocker Integrated Form filler
36 Like

Ungoogled Chromium

A Google Chromium variant for removing Google integration and enhancing privacy, control, and transparency.

Free Open Source Mac OS X Windows Linux

Portable Security focused Based on Blink engine Based on Chromium Multiple languages
30 Like

Comodo IceDragon

Comodo IceDragon is a fast and secure internet browser based on Mozilla Firefox and infused with Comodo security.

Free Windows

Portable Security focused Based on Firefox
15 Like

QtWeb

QtWeb Internet Browser - lightweight, secure and portable browser having unique user interface and privacy features.

Free Open Source Mac OS X Windows Linux

Portable Tabbed browsing Based on Webkit engine Lightweight Built in Torrent client
11 Like

CentBrowser

Cent Browser is an enhanced version of the Chromium web browser that bundles many useful features, such as scrollable tab bar, automatic memory optimization, lazy session loading, mouse gesture, super drag and a lot of tab options.

Free Windows

Portable Privacy protection Based on Chromium Mouse gestures
11 Like

Polarity Browser

Polarity is a user-friendly web browser featuring an intuitive interface that allows you to explore various websites and bookmark your favorite pages.

Free Windows Android Android Tablet

Portable Privacy focused Based on Chromium Multiple languages Built in Ad blocker Multi Engine Tcp proxy

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SeaMonkey

Links to official SeaMonkey sites

Features

Categories

Tags

The Best 21 SeaMonkey Alternatives

Mozilla Firefox

Google Chrome

Thunderbird

Opera

Chromium

Pale Moon

Maxthon Cloud Browser

Midori

SRWare Iron

KompoZer

Firefox Developer Edition

Falkon

Cyberfox

Comodo Dragon Internet Browser

Slimjet

Ungoogled Chromium

Comodo IceDragon

QtWeb

CentBrowser

Polarity Browser

Search app for alternative

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