DataCircle.io is described as 'Buy, Sell or Exchange Data Sets easily' and is an website in the Office & Productivity category. There are seven alternatives to DataCircle.io, not only websites but also apps for a variety of platforms, including iPhone, Android Tablet, iPad and Self-Hosted solutions. The best alternative is Bloomberg, which is free. Other great sites and apps similar to DataCircle.io are Morningstar (Free), Quandl (Freemium), Agora (Free, Open Source) and Alpha Vantage (Free).
Since 1984, Morningstar has served investors with the resources they need to make sound financial decisions. Now you can experience the best from our flagship website with Morningstar for Investors app - monitor the markets, track your portfolio, research securities, and more.
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. Supports intraday, daily, weekly, and monthly quotes and technical analysis with chart-ready time series.