Paper.xyz - Paper provides commerce infrastructure for selling NFTs.
ChangeTip for iPhone - Send and receive dollars and bitcoin on social (with emoji!)
GiveWell - GiveWell is a nonprofit dedicated to finding outstanding giving opportunities and publishing the full details of our analysis to help donors decide where to give.
Nuri - Invest in cryptocurrencies, create savings plans & earn up to 5% interest per year on bitcoin directly from a German bank account.
Accept Crypto - Find out if a company or website accepts Cryptocurrency.
Chain Networking - Discover professionals nearby!