Coinbase - Bitcoin, safe and easy.
Abra - Abra is a cryptocurrency trading and management platform that provides you with tools for analyzing and investing your money at the right time and place.
OpenSea - Ebay for cryptogoods. Buy and sell items on the blockchain.
Bitcoin Wallet - Bitcoin Wallet is a mobile application that allows you to send and receive digital currencies.
NiftyKit - The easiest way to create, manage and sell NFTs
BitMart - BitMart is one of the largest online cryptocurrency trading platforms that let you exchange, trade, sell, and purchase cryptocurrencies.