Demeter
I was able to do a very rudimentary build of
Demeter from source. According to the About Box, Demeter 1.5 (2008) is based on Shiira 2.x (2007). From an initial look, I also like how snappy Demeter is. For example, scrolling seems almost as fast
Shiira. I am totally guessing here: the fonts in Shiira are smaller, and maybe more in line with the SDK or something which makes scrolling just slightly smoother than Demeter. Demeter, however, displays the text in a better, more accurate looking?, font. Macrumors is still borked, oh well.
bitrot
The source code for these browsers is old, 10+ years old, but I like the performance. It's a bit like running Mac System 9.x on my iBook, or System 6 or Windows 3 or Windows 95 in a modern emulator, fast. Okay, these old browsers are not that snappy, but still ...