Victor, verifier in cryptography, publicly issues free trusted TIMESTAMP of file hash information embedded into a blockchain.
Exonum is an extensible open-source framework for creating blockchain applications. Github: https://github.com/exonum/ Documentation: https://exonum.com/doc/ Russian-speaking community https://gitter.im/exonum/ruExonum
Основной канал для обсуждения вопросов, связанных с разработкой на Exonum. Github: https://github.com/exonum/ Документация: https://exonum.com/doc/ English-speaking channel: https://gitter.im/exonum/exonum
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.
A work-in-progress implementation of sharding in Rust. https://github.com/Drops-of-Diamond/Diamond-drops
Command line toolchain for Nem blockchain - https://git.io/nemtool
Blockchain & Smart contract https://credits.com
Tech. discussion about back-end solutions for the CoopWorker platform
Ethereum Tokens and Data Viewer. API, Widgets for your tokens
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.
Decenture Documentation - http://git.io/decenturedocs