https://ico.wcex.co/?ref=8lR8CgT < wcex.io (50 coins for signing up)
https://check.universa.io/-75pt4c < universa.io (50 coins for signing up + linking fb/gmail)
https://sphere.social/?ref_code=5309-f2b47f00 < sphere.social (100 tokens for signing up)
https://www.coinstarter.com?ref=qodttt7ot < coinstarter (5 coins + 0.5 for daily logins)
https://paquarium.com/invite/antarlz < paquarium; they dont really have a bounty I believe but they have a cause so theres that
https://geens.com/user/register?id=Is4zGo3e < geens 100 coins for linking your fb/twitter
not an ico but here's the best free way to start your roll; https://www.eobot.com/new.aspx?referid=1075891
all links without the shortener:
wcex
universa
sphere.social
coinstarter
PAquarium
geens
EObot
as always, feel free not to use my ref ;)