Google Docs - Create a new document and edit with others at the same time -- from your computer, phone or tablet. Get stuff done with or without an internet connection. Use Docs to edit Word files. Free from Google.
MetaMask.io - A crypto wallet & gateway to blockchain apps
Airborn - Create and edit documents online without sacrificing your privacy
Coinbase - Bitcoin, safe and easy.
Bit.ai - Bit is a smart real-time document collaboration platform for teams to create interactive documents, manage digital content and track document insights.
OctoFi - DeFi dashboard for decentralized finance tentacles