https://savetheinternet.eu/en/
However, according to Julia Reda above, the policies around zero-rating are still pretty unclear, and it seems they will be decided on a case-by-case basis (not great, but may be a little better than in the U.S., where the FCC seems to have no interest in dealing with zero rating at all).
It does cover this (search for zero-rating) although in a way that I find hard to summarise.
http://berec.europa.eu/eng/document_register/subject_matter/...
But it starts well:
>This Regulation aims to establish common rules to safeguard equal and non-discriminatory treatment of traffic in the provision of internet access services and related end-users’ rights. It aims to protect end-users and simultaneously to guarantee the continued functioning of the internet ecosystem as an engine of innovation.
Any source for this? I've only ever seen providers offer free Spotify membership, not free data.
Edit: Thanks for the responses. I had no idea this was happening.
https://www.engadget.com/2013/01/21/spotify-signs-deal-with-...
http://www.wtf.pt/ Look for "APPS COM TRÁFEGO ILIMITADO" (Free data apps). You can see the apps below.
or
http://www.yorn.net/YORN/tarifario/yorn-x/index.htm#apps
I'm not even sure it's legal, but people don't really care/see it as a problem.
They stopped offering this to new customers on August 2nd, 2016.
[1] https://www.telekom.de/hilfe/mobilfunk-mobiles-internet/mobi... (in German)
[1] http://www.golem.de/news/netzneutralitaet-telekom-fuehrt-dro...
http://www.o2.cz/osobni/spotify/ (in czech)
https://www.drei.at/portal/de/privat/services-und-apps/zusae...
"Kein Datenverbrauch" == Zero Rating.