Stack Overflow - Community-based Q&A part of the Stack Exchange platform.
Coinwink - Crypto alerts, watchlist and portfolio tracking app for Bitcoin, Ethereum, and other 3500+ crypto coins and tokens
The Answer Bank - The Answer Bank is the UK’s leading question-and-answer site.
CoinMarketCal - All crypto events that help crypto traders at one place
Blurtit - Blurtit is a Q&A website. You can ask a question or answer on any question.
Cryptorch API - Cryptorch API is an AI-powered machine learning utility that is used in forecasting the prices for various cryptocurrencies from Bitcoin to BitTorrent.