D3.js (D3 for Data-Driven Documents) is a JavaScript library for producing dynamic, interactive data visualizations in web browsers. Developed by Mike Bostock
License: Open Source
D3.js is a powerful JavaScript library for creating complex and highly customizable visualizations, but it has a steeper learning curve. In contrast, RAWGraphs is a user-friendly tool ideal for quick visualizations without coding, making it accessible to non-programmers.