MacDown - MacDown is an open source Markdown editor for OS X, released under the MIT License.
BlockchainI.CO - Research, ratings and analysis on upcoming ICO’s
Frost - An open API for Blockchain timestamping
Top ICO List - Best crypto initial coin offering list & ICO calendar 2018
Typora - A minimal Markdown reading & writing app.
Cryptoradar - Find the best prices to buy or sell cryptocurrencies