A couple of Simpsons themed 9X mouse mate programs based off of Pablo Costaguta's ParanoidEyes engine. Still works on Windows 10 and Linux through WINE.
Microsoft Paint Collection:
An archive of Windows 98, XP, and 7 Paint
Paint Shop Pro 7 + Animation:
Another paint program I used alot as a kid. Works with Windows 10, though it complains about a registry error upon opening; ignore it.
Windows XP Movie Maker:
get n2 video
Sculptris:
A fun and easy to use, yet powerful 3D sculpting software.
Quake III Arena:
Click the funny Quake man for CD keys. SKUMSOFT Q3A server coming SOON.
The amateur game 3D Dudes. As mentioned on Stewart Cheifet's Net Cafe.
Qodem:
Qodem is a public domain re-implementation of the DOS-era Qmodem serial communications package. You can use it to dial in to hundreds of still active Telnet BBSes.
Here's a website with a regularly updated list of Telnet BBSes.