Victor, verifier in cryptography, publicly issues free trusted TIMESTAMP of file hash information embedded into a blockchain.
A bitcoin blockchain API for web wallets. #bitcore on Freenode.
Cryptocurrency.Blockchain is a library for interacting with the Blockchain Data API provided by Blockchain.
Command line toolchain for Nem blockchain - https://git.io/nemtool
Tech. discussion about back-end solutions for the CoopWorker platform
Ethereum Tokens and Data Viewer. API, Widgets for your tokens
Blockchain & Smart contract https://credits.com
Decenture Documentation - http://git.io/decenturedocs
Got an issue with your wallet, exchange or a transaction? Check on https://myetherwallet.github.io/knowledge-base, or use a search engine. If you can't find an answer, then get help here, and give a donation to your helper, especially if they're not an Ethereum employee.