Node-Red is probably your best bet
it's functional with a lot of plugins available as well as relatively easy due to the "flow" workflow
one other command mentioned Home Assistant but even among the Home Assistant community there are quite some people using Node-Red together with Home Assistant to achieve their goals
if your goal is to automate your home (or lab, or work place) I also would highly recommend Home Assistant but I hesitated to recommend it anyone since OP didn't really explained what they actually want to with it
i.e. if your goal is automate rss feeds and notifications than Home Assistant ist just completely overkill for this task
I would start with home assistants built in automations and scripts before diving into node-red. Node-red is great for complex automations, but if all you’re doing is turning on lights and stuff, just using HA is more than enough, and has a much easier learning curve, IMO.