The best replacement for bandcamp is cdbaby.

The best alternatives to bandcamp are rated as following:
★★★★★  cdbaby
★★★★  tunecore
★★★★  bandpage
★★★  soundcloud
★★★  noisetrade
★★★  reverbnation
★★★  topspin
★★  big cartel
★★  beatport
★★  bandzoogle
★★  nimbit
  cd baby
  vibedeck

Your alternative for bandcamp is not listed? Suggest!
Speaking about bandcamp, one probably shouldn't forget about gun for a face.

Other search terms related to bandcamp and their ratings are:
★★★★★ gun for a face
You have in mind a companion for bandcamp and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of bandcamp in all years. Click on graph for more.
bandcamp
cdbaby
tunecore