
DataCircle.io
DataSignals Lab
WhaleWisdom
BloombergView
Alpha Vantage
Quandl
Datamade
Morningstar
TextDiffy
textdif.com
TextDiffyDataSignals Lab - Official SEC, FDA, Congress and market filings turned into scored signals, with a verifiable daily track record.
textdif.com - Simple text comparison tool that's very fast and easy to use. Users can compare and email the comparison highlighted text.
WhaleWisdom - WhaleWisdom is a trading and stock market investment analysis platform that allows you to wisely put your assets in the company that is worth investing in.
BloombergView - A new consumer-focused and mobile-friendly opinion site
Alpha Vantage - Alpha Vantage offers free APIs in JSON and CSV formats for realtime and historical stock and forex data, digital/crypto currency data and over 50 technical indicators.
Quandl - Quandl is a platform for financial, economic, and alternative data, serving investment professionals.