Palemoon 15.2 (based on Firefox)
Pale Moon is a web browser based on Mozilla Firefox. It is available for Windows platforms and distributed by M.C. Straver. Pale Moon builds on Firefox, optimizing for efficiency of code and aimed at current and modern microprocessors. Pale Moon is available free of charge as open source code archive and freeware binary releases. Most of the available Firefox extensions and plugins are compatible with Pale Moon.