Sigma and Chartio have similar missions but a very different product approach and functionality. Sigma also tries to bring the influence of spreadsheets into the query building/data exploration phase.

We do this though as a very flexible visual language, where you can create a pipeline of actions including merging queries from multiple different datasets and then doing some post query computation.

How does your hairdresser relate to yet another hairdresser? It’s a business. People have ideas and implement them in different ways. That’s just business.