Over at Ars Technica, Matthew Lasar has a look at some of browsers people used back in the early 90s before Netscape came around.
Tim Berners-Lee's original 1990 WorldWideWeb browser was both a browser and an editor. That was the direction he hoped future browser projects would go.
I compiled a bunch of old browsers for download back in the day but the Browser Archive at evolt.org is the definitive source. (via @jenville)