Sched!

Aaaand another exciting little donationware program by yours truly:

sched.exe - an extremely simple and lightweight task scheduling utility

Readme: https://github.com/staafl/sched/blob/master/README.md
Application: https://raw.github.com/staafl/sched/master/build/sched-latest.zip
Source: https://github.com/staafl/sched