Block chain Technology Mainstream open source project-Major Open source Projects of blockchain technologies

block chain/distributed ledger technology vendors and products/projects Vendors and products/projects of Blockchain/distributed Ledger Technologies	main programming language Major programming Languages	source code repository source repositories
IBM Openblockchain (OBC)	Go (Golang)	https://github.com/openblockchain/
Ethereum (ether Square)	C + +, go (Golang)	Https://github.com/ethereum Https://github.com/ethereum/go-ethereum http://www.ethdocs.org/en/latest/ Ethereum-clients/cpp-ethereum/index.html
Ripple	C++	Https://github.com/ripple/rippled
Corda	(Unknown yet)	(Unknown yet)
Digital Asset	Java, Scala	Https://github.com/DigitalAssetCom/hlp-candidate
Intel Intelledger	Python	Https://github.com/IntelLedger/http://intelledger.github.io/sawtooth_developers_guide/architecture_overview.html

(The table above will be updated continuously.) The above table would be continuously updated)