AppFlowy, an open source alternative to Notion, has received $6.4 million in funding from high-profile investors and has now launched its cloud platform. AppFlowy aims to address concerns of businesses regarding control and customizability by providing a self-hostable solution for project and knowledge management. The company plans to monetize through a freemium model for its cloud platform and is working on a mobile app for cross-platform accessibility. #tech #notion #appflowy #cloud