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???
I used lately bountyhive.io it's good to use then now I used the platform of bountyguru because they have a good bounties to choose. But of course it depends to us what will choose to use.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???