Sentimeter.ai is a tool that tracks online sentiment in Twitter and major news outlets about a specific subject.Eg - Compare online sentiment on US presidential candidates as it changes over time, and as it relates to different topics like #covid-19.

danfo.js is an open source, JavaScript library providing high performance, intuitive, and easy to use data structures for manipulating and processing structured data.

Discover the top cities where people are transplanting. 🌇 The best new cities to move to 📈 See how your city stacks up 📊 City by city comparisons 🗺️ Interactive Maps

Create and vote on polls completely anonymously (no registration required). Anonypoll exposes society's honest opinions on the world's most controversial topics. Check it out, it's free!