no updates since December 2018 and sadly no previews anymore because of flash, but it's perfectly sorted into dozens of subgenres.¹ literary tonnes of nice free psychedelic stuff

Ektoplazm is a distribution portal and netlabel group devoted to psychedelic trance (psytrance), a distinct form of electronic dance music and a vibrant global counterculture. Founded in 2001 by Basilisk, Ektoplazm is now the world’s largest distributor of free (and legal) psytrance music specializing in high-quality Creative Commons-licensed content from netlabels and independent artists, all released in MP3 and lossless CD-quality FLAC and WAV formats

there's already quite a backup on archive, i found 692 and 6522 zip and rar archives, not sure if it's complete.