So, there are two versions of Netsurf being actively working on right now. One from Chris Young, who did the 3.6 version for OS4, and more recently, a version of 3.6 for classic Amigas. However, there has been another version of Netsurf ported to Amiga, formerly known as 3.6 also, but now bumped to 3.7. It appears to be RTG only at the moment.
Here it is streaming from YouTube on an Amiga 500 with the Vampire500 accelerator:
Go to the website for download and more info: