Ask HN: What are some current crypto-currencies?
What other crypto-currencies are there besides Bitcoin? Similarly, what are some of the well-established websites on which users can buy/sell the currency?
LiteCoin - http://www.litecoin.org
NameCoin - http://www.namecoin.info
Freicoin - http://www.freicoin.org
IXcoin - http://www.ixcoing.org
BBQCoin - http://www.bbqcoin.org
PPCoin - http://www.ppcoin.com
SolidCoin - http://www.solidcoin.info
I0Coins - http://www.i0coins.com
NovaCoin
ByteCoin - http://www.bytecoin.in
GiestGeld - http://www.geistgeld.org
Tenebrix - https://github.com/Lolcust/Tenebrix
TerraCoin - http://www.terracoin.org
Fairbrix - https://github.com/coblee/Fairbrix
DevCoin
Coiledcoin
Rucoin - https://www.rucoin.org/
TimeKoin
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I’d say LiteCoin and NameCoin are probably the biggest alternatives in size etc to Bitcoin.