Compare Firefox Focus browser to SeaMonkey browser

Firefox Focus SeaMonkey
Development Status Active Active
Operating Systems Android, iOS
Linux, macOS, Windows
Year Started 2015 2005
Manufacturer Mozilla Foundation SeaMonkey Council
Rendering Engine Gecko Gecko
AdBlock Native Unknown Unknown
Extensions support Unknown Unknown
NPAPI Support SeaMonkey continued to support NPAPI plugins for a while after it was dropped from mainstream browsers, but it dropped support with Version 2.53.1, and it was completely removed in Version 2.53.7 (March 2021).
Built-in VPN?
License Currently unknown Currently unknown
Wikipedia Page Firefox Focus on Wikipedia SeaMonkey on Wikipedia
Device Platforms Mobile Desktop
Public Source Code? No No
Website www.mozilla.org/en-US/firefox/browsers/mobile/focus/ www.seamonkey-project.org