Opera Web Browser is a free web browser that originally started as a research project back in 1995 and today continues to be a fast, safe and secure web browser. Portable version available here. Video walkthrough available.
Vivaldi beta is a free web browser from the original Opera Web Browser founders in 1994, allowing you to preview the upcoming version. Download the stable version here.
BriskBard is a fast freeware web browser using Blink and Trident that also has security features and numerous tools including FTP, email, RSS, and more.
Maxthon Cloud Browser for Windows utilizes a unique, innovative dual-core design that uses both Webkit and Trident to provide an advanced browsing experience.
Mypal is based on Pale Moon code and is designed to be a secure and reliable Open Source Windows XP (including newer Windows versions) web browser. Project has been abandoned. Please look for something else.
Opera Neon has all the Opera browser features you know with a reboot. It is designed to be a fun, fresh take on Speed Dial, visual tabs and the Omnibox, which kickstart your browsing session.