paidvert http://in.cur.lv/paidvert
bitcoinclix http://in.cur.lv/bitcoinclix
bitcoin-bux http://cur.lv/doxzu
buxoz http://cur.lv/dtpdu
btc4free http://cur.lv/drfpd
 
And some old PTC sites:
btcclick: http://cur.lv/dm2ej
coinadder: http://cur.lv/dm2eq
coinad: http://cur.lv/dm2ev
coinhd: http://cur.lv/dlnri
bitcoin4you: http://cur.lv/dm2r3
And the best PTC site ever
click2dad: http://cur.lv/dm2ez (strongly regcomend)