Compare Marble Browser to PowerFox browser

Marble Browser PowerFox
Development Status Active Active
Operating Systems Linux, macOS, Windows
OS X
Year Started 2025 2026
Manufacturer Unknown Unknown
Rendering Engine Gecko Gecko
AdBlock Native Unknown Unknown
Extensions support Yes Yes
It may not support all modern Firefox extensions, but their site has a listing of some popular addons which it does support.
NPAPI Support Yes
Retro OS Support Yes
PowerPC or Intel Mac running Mac OS X 10.5 Leopard or 10.6 Snow Leopard
Browser Sync Yes
Built-in VPN? Yes
License Currently unknown Currently unknown
Wikipedia Page No No
Device Platforms Desktop Desktop
Public Source Code? https://github.com/NetworkNeighborhood/Marble No
Fork of Firefox
Basilisk
Website github.com/NetworkNeighborhood/Marble powerfox.jazzzny.me/