Mineo Wakita JE9PEL maintains a page on his website listing the frequencies of all amateur radio satellites.

A spreadsheet of the uplinks and downlinks of each satellite can be downloaded from
http://www.ne.jp/asahi/hamradio/je9pel/satslist.xls
The status for each is given as one of: Active (*), Inactive (i), Reentered (r), Failure (f), Earth Escape (e).

Live OSCAR Satellite Status Page http://www.amsat.org/status

DK3WN Active satellites frequencies and status table http://www.dk3wn.info/p/?page_id=29535

Live satellite cluster list http://www.dxsummit.fi/CustomFilter.aspx?customCount=50&customRange=507

Satellite Missions Database https://directory.eoportal.org/web/eoportal/satellite-missions

HF, VHF and UHF Satellite Frequency List http://www.satellitenwelt.de/satfreq_uhf.htm

Recordings of the signals from Amateur Radio satellites can be found on the Sounds from Space website of Matthias Bopp DD1US. http://www.dd1us.de/historical%20sounds%20from%20space.html