Source: https://insights.stackoverflow.com/survey/2018/#technology-frameworks-libraries-and-tools

Interesting. I wish they had split out AngularJS (1.x) from Angular (2+).

Node.js	49.9%
Angular	37.6%
React	28.3%
.NET Core	27.2%
Spring	17.8%
Django	12.8%
Cordova	8.6%
TensorFlow	7.6%
Xamarin	7.4%
Spark	4.8%
Hadoop	4.7%
Torch/PyTorch	1.6%