BTC a list of automatically check-in sites for retweet reposts by Bounty 
https://bountyhive.io - it's hard to join the company because the limit is very fast, good companies are good. It's not clear how they keep records
https://bountyplatform.io/ For me the best platform. Everything is convenient, everyone thinks themselves every 24 hours plus select promising projects.
https://bounty0x.io/ A lot of things, it's not clear how to keep records
https://icoreward.com Everything is also convenient, convenient to consider, adequate rules. At the moment one company is available
http://tokengoplatform.com - The site has its own coin, as well as 2 third-party companies
Who will tell you more???
https://bountyhive.io - it's hard to join the company because the limit is very fast, good companies are good. It's not clear how they keep records
https://bountyplatform.io/ For me the best platform. Everything is convenient, everyone thinks themselves every 24 hours plus select promising projects.
https://bounty0x.io/ A lot of things, it's not clear how to keep records
https://icoreward.com Everything is also convenient, convenient to consider, adequate rules. At the moment one company is available
http://tokengoplatform.com - The site has its own coin, as well as 2 third-party companies
Who will tell you more???
Out of listed in the above bountyhive will choose many good projects which has some potential in the market. When you track their previous ICO's. They are very successful but there are majority of members joining here.