the original Midori is remembered as a pioneering lightweight browser for Linux, while the modern Midori is a Chromium-based, privacy-focused browser for all major operating systems.
Otter Browser is a free, open-source web browser project with a clear mission: to recreate the classic user experience and powerful features of the pre-Chromium Opera browser
SRWare Iron is a free web browser that was introduced as a privacy-focused alternative to Google Chrome.
Display technology
Falkon is a free, open-source web browser developed by the KDE community, known for being lightweight, fast, and deeply integrated with the Qt framework.
Beautiful Aqua GUI with advanced graphics (Quartz, Metal)