Is this what you are after:
http://homeoint.org/clarke/index.htm
If you go here, each remedy is listed.
In fact, there are many on-line materia medicas, which have been uploaded from various texts. This site has them all listed in its reference section.
Another site that has a few remedies listed is:
http://www.aeonglobe.com/homoeopathy/
Just select the remedy from the drop down menu and it brings up a short synopsis of that remedy.