You must be doing some serious NOT internet related stuff?
I fix computers for a living, and like to play with miniaturized versions of OS's wrt using them as a rescue platform for systems that can't get up(Mainly Windows XP and Win7 anymore, but have done most windows versions [3x-Win7])... And for use in upgrading legacy machine tools to be able to handle networking and such, though I seldom get that work since the more powerful CRC machines came out...
And as a result of those things, I write software too (Mainly Delphi w/ some Basic)... primarily stuff in the no-man's land between Windows and the cmdline, with one leg in the command line and one leg in Windows proper... But some stuff purely windows, and all of it service-tech oriented. basically stuff I need to make my job easier.
As an aside, a great hobbyist project is to get an internet browser up and running on a pure DOS box... It can be done... It has been years ago now since I did it, but it was really a necessity at one point for me. Arachne web browser is still being maintained I hear, though it is now leaning toward Linux. I have been thinking of doing it again, just for sh*ts and giggles, and to see how it will run on modern machines, big RAM, and the new DOS mem managers and hard drive drivers... It ran really well back in the day, and I was still using it all the way up until I finally got a mini-XP that I could use with networking - Once that was available and DSL became fairly normal, the old DOS stuff became obsolete for normal access operations...