Hiya! So I've only started using Reaper this autumn, and I'm pretty new to producing electronic music in general, but anyway, here's the first batch of tracks I've completed with Reaper:
https://soundcloud.com/benenkindle/sets/daybreak !
Like I said, I'm still very much a beginner, and the point of these tracks was largely to learn Reaper and the genre; I hardly expect to make any kind of breakthrough with these. That said, though I'm very self-conscious about some of their shortcomings, I'm pretty happy with how the tracks turned out. So be gentle.
I use Reaper on Linux, and use (more or less) only native Linux plugins. For those who care about such things, the main synth used on these tracks is U-he Hive 2, with one or two instances of free synths like Surge or Helm sprinkled in, as well as some sounds from an old Korg N1R hardware module I happened to have lying around. Other plugins include, among others, a bunch of Airwindows stuff, Dragonfly Reverb, and obviously some Reaper plugins and JSFX.