I'm working on a side project website and currently using all above except for Angular.
jquery been enough to do basic ajax form post, update some data, but I'm looking to do more dynamic pages using a simple library, I don't need a complete replacement for django templates, just a supplement
I haven't. I like Angular because it's easy to integrate with DRF and the templating language is very similar to Django's, so it was fast for me to pick up. This is v1. I haven't tried Angular v2 though. I tend to stay away from JS as much as possible and my JS files rarely exceed 100 lines. But I think you should use whatever makes sense to you. Our stack has been really good to us. All those things just keep running. And supervisord keeps the Gunicorn workers up so can't be happier.
My backends usually default to Perl - usually CGI::Application, but I'm using Mojolicious and Dancer a lot more these days, along with a couple of microservices which are written in golang.
For the front-end I suck at design so I use bootstrap, and am planning on spending this upcoming weekend looking at themes to improve a couple of sites. Too many of the bootstrap-themes I see are spammy things that are just landing pages, not setup for actual applications so I expect it'll take a long time to find something that I like and can actually use.
Work: Python/flask with gunicorn and nginx, postgres for relational (90% of the time), mongo or Cassandra for document store, jQuery, sass, gulp, puppet for config mgmt, centos 7.2.
Personal: mostly the same except Mac osx or heroku for host, and no config mgmt.