Chatfuel - Chatfuel is the best bot platform for creating an AI chatbot on Facebook.
Dapp Store - DappStore is a platform, which lists all popular dApps
Landbot - An intuitive no-code conversational apps builder that combines the benefits of conversational interface with rich UI elements.
DappRadar - A list of the best decentralised Ethereum applications
ChatBot - Easy to use chatbot platform for business
AppScope - Appscope, one of the leading directories for Progressive Web Apps (PWAs).