Very topical! We tried a home brew system for a while that we named Hydra - we tried to include all the elements of the games we have played over the years. A very GM intensive game, as the PC's had no idea what their skills stats and scores were, just knew that they were "poor" or "Ok" or "very...
Roll20? Decent site, imo. My friends and I use it for our Harnmaster campaign as (at one stage) we were all in different continents. I haven't played D&D for years - started off on AD&D at the start of the 80's, then migrated to 2nd ed, but by then we had tried Runequest and liked it, then found...