ArrangeMe, run by Sheet Music Plus, is a site that you can self-publish sheet music on. I use the site to publish my own compositions and arrangements of both public domain and selected copyrighted works. Follow the links below to see a list of my ever-expanding catalogue of SMP music!
https://www.sheetmusicplus.com/publishers/lcheg-music-sheet-music/3005420?aff_id=600301
https://www.sheetmusicdirect.com/en-US/Search.aspx?query=Lcheg%20Music
Lcheg Music 