I linked to the refering sites at Odeo.com. At odeo.com you can listen to the podcasts without subscribing them.

Resonance FM: Red Zero Radio
"Resonance FM’s weekly session featuring all things blip-core, spaz-tek, storm-breakz, splatter-metal and a plethora of live and pre-recorded mentalism."

Kunstradio "KUNSTRADIO On Air is a weekly 40 minute programme broadcast every Sunday night from 23:05 (after the night news magazine) until 23:45 on Österreich 1, the culture station of the ORF. The content of the program is, exclusively, original works for radio by artists - visual artists, "media" artists, composers, /sound artists, writers and that rapidly growing group calling themselves simply "radio artists"."

Nosordo
The great Nosordo Label is also podcasting

Morning Becomes Eclectic
"Morning Becomes Eclectic is committed to a music experience that celebrates innovation, creativity and diversity by combining progressive pop, world beat, jazz, African, reggae, classical and new music. Recognized nationally as a forum for promoting a wide range of music ahead of the curve, the show has become a very attractive whistle stop for both established and emerging artists from around the world. KCRW now offers podcasts of some of the live sessions performed by unsigned and independent artists on Morning Becomes Eclectic."

Turntable Radio
"Turntable Radio is a radio show dedicated entirely to turntablism. Created by Mr Trick, it began life in 2002 on London’s Resonance 104.4FM, airing from 10-11.30p.m. every Sunday night. In addition to the FM airwaves presence shows were archived online, with a supporting portal site carrying news, updates, links and more from the worldwide scratch/tablism scene, and via this means the show has built up a colossal worldwide following – currently some 40,000 listeners."

VITAL WEEKLY
The VITAL WEEKLY podcast features a medley of some of the CDs mentioned in the VITAL WEEKLY e-mail zine of the Experimental/Avandgarde label Staalplaat.

Advanced D & D with Donna Summer on WFMU.org
"Breakcore, folk-rock, death metal, dirty 70’s disco, raw satanism."

Type Radio Podcast Audio
Podcast of the Label "Type Records"

Brainwashed
The Brainwashed Podcast exists as a supplement to Brainwashed Radio for those who can't listen all day long! Hopefully once per week, a 60-minute Podcast is created featuring a whole assortment of Brainwashed music from artists and companies hosted at Brainwashed.

East Village Radio
"East Village Radio, started in 2003 as a nonprofit Internet radio station that catered to the Lower East Side and its most pressing issues, the station is working against these ridiculously accepted radio “norms.” With a variety of commercial-free shows dealing with everything from punk rock to minimal techno to underground dance, East Village Radio is a strong force against the seemingly indestructible suck that is corporate radio."

On the Wire
"On the Wire is a UK radio programme broadcasting on Saturday 10pm BBC Radio Lancashire 103.9, 95.5 and 104.5 FM. It can also be heard via podcast"

Sound Opinions* "Take two nationally respected rock critics, the latest music news, personal commentary, and exclusive interviews and performances, add a huge pile of records old and new, and the result is Sound Opinions, the world's only rock and roll talk show." Podcast Feed

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  Podcasts in german language
  
  Bayern2Radio - ZÜNDFUNK-Interview
  Jede Woche vernimmt der ZÜNDFUNK musikalische Newcomer und alte Pop-Helden, zurückhaltende Singer und vorlaute Rapper, Gitarrenrocker und Elektrofrickler, und ergründet, was ihr musikalisches Werk auszeichnet."