Waterfox Classic
Waterfox Classic is a legacy web browser for older systems and those that require use of XPCOM and XUL extensions.
⚠️ Waterfox Classic has many unpatched security advisories. Use at your own discretion.
Add-ons
Extending Waterfox Classic
Waterfox Classic is based on an older version of the Gecko platform which allows the development of XPCOM and XUL add-ons.
Open Source
Contributing to Waterfox Classic
Waterfox Classic is open-source and MPL2 licensed. This enables you to see and understand how we are building Classic, and of course join the community and help improve Classic. If you see something missing, please contribute to Classic!
Explore the source on GitHub