Amaya 
W3C's open source browser/editor for testing and evaluating new standards. Supports XHTML, MathML, SVG and CSS.
http://www.w3.org/Amaya/NavRoad 
Compact offline HTML viewer, runs off a floppy and requires no winsock.dll. Users can view HTML files anytime.
http://www.faico.net/navroad/
DocZilla 
Browser with support for SGML, XML, HyTime, CALS tables, RDF, and XLink based on the Mozilla Gecko rendering engine.
http://www.doczilla.com/
The Browser News 
A weekly newsletter that gives you news about browsers, helps you find browsers old and new, and provides internet statistics.
http://www.upsdell.com/BrowserNews/
Netomat 
With netomat, the user has a dialogue with the Internet. You can ask the net a question using natural language. netomat responds by flowing text, images and audio from the net to your screen.
http://www.netomat.net/
Optimized For No One 
Links to and brief descriptions of a large number of browsers for all platforms.
http://www.hoary.org/browse/
Leech 
High-speed offline web browser for Windows 95/98/NT/2000.
http://www.aeria.com/
Off By One 
A small, fast, free standalone 1.1MB web browser with HTML 3.2 support. Can be run from a CD or network.
http://OffByOne.com
SurfPanel 
Animated desktop portal and browser assistant.
http://www.honeydijon.com/surfpanel.html
CamSnoopFree 
A webcam image viewer that downloads images from the web and displays them as a slideshow.
http://www.chippeys.nl/
WebGrab 
A tool that allows the user to quickly and easily download webpage elements such as images, html, applets, java applets, shockwave or director animation. WebGrab is not an offline-browser but rather a tool for webpage and ftp element downloading.
http://www.eastbaytech.com/webgrab.htm
Buzz 3D 
Browser that displays websites in a 3D display, showing 48 different websites simultaneously, and pre-loads multiple instances of all pages, allowing the user to read one page, while the others continue to load in the background.
http://www.buzz3d.com/
WebsurfACE 
A freeware web browser based on Microsoft Internet Explorer.
http://www.toolpool.com/
Turbo Browser 
Maximizing efficiency by merging the management of local and Internet resources, and web browsing.
http://www.filestream.com/turbobrowser/
AtomNetPE 
Mini Internet browser. Browses also zipped files. Can run from a floppy disk.
http://change7.com/atomnet/index.html
Activator Desk 
Internet desktop and browser program for a fast, secure, Internet. It may be used for simple child-safe filtering, or as an advanced security shield, preventing tampering and unauthorized access to both conventional programs and questionable Internet content.
http://www.activatordesk.com/
Cartagio 
Professional business browsers for web researchers and collaboration software for business and technology users.
http://www.missiontrek.com/
AuctionTamer 
Customized tabbed Internet browser with a built-in auction item watch list
http://www.auctiontamer.com/
Express 
An open source web browser. It is part of the Gnome project, and requires the gtk-XmHTML widget.
http://www.vergenet.net/~conrad/express/
HotJava 
Discontinued Java based browser by Sun.
http://java.sun.com/products/archive/hotjava/
QNX Voyager 
For QNX OS and embedded devices.
http://www.qnx.com/products/browsers/
Grail 
An extensible Internet browser written in Python. It runs on Unix, and, to some extent, on Windows and Macintosh.
http://grail.sourceforge.net/
The Chameleon Web Browser 
[Windows] Advanced features with a small download filesize.
http://www.chameleonbrowser.com/
404Browser 
Built with productivity, speed, and security in mind. Some of the features include a note pad, agents that learn, pop-up and ad blocking , privacy protection, and bookmark management. [Windows]
http://www.ltpb.8m.com/404Browser/
WebStripper 
Free offline browser. Copy websites and browse offline. Lists downloaded sites by category.
http://webstripper.net/
Browse Happy 
Encourages switching from Internet Explorer to a number of strong alternative products.
http://browsehappy.com/
Brand-X Browsers 
Listing of non-standard and little-known browsers, including historical references.
http://webtips.dan.info/brand-x/
Flock 
Based on the open source Mozilla code, but with the capacity to write to the Web.
http://www.flock.com/
Browzar 
Lightweight web browser with no history, cache, cookies or other features that might leave an audit trail on the client PC.
http://www.browzar.com/
Universe 
For PlamOS 5 mobile devices with tabs support.
http://www.wapuniverse.com/