Gridcoin Plateux credits the following communities for their work:

Bitcoin developers For the Bitcoin network as a peer-to-peer payment network that operates on a cryptographic protocol.
Blackcoin, Peercoin and Novacoin developers For the Proof of Stake protocols as a class of consensus mechanisms for blockchains.
Gridcoin developers For the open source cryptocurrency which securely rewards volunteer computing.
BOINC developers For the open-source middleware system for volunteer computing and grid computing.
Pixelarity designers For the spectacular, beautifully designed and expertly coded responsive site templates.
Unsplash photographers For sharing your images with millions of people around the world.
Crytpocurrency investors For building digital future, citizen-controlled political systems and decentralized economy.