You can check Amazing Marvin, which has plenty of various gadgets available and have REST API client for integration. In business setting software like Linear with its integration is usually the way to go.
Linear has also solved part of the problem with it's Slack integration.
I was just thinking about how far can AI take us, can it act as an end-to-end assistant, where it tells me what to do in the morning, and then I can just ask it to get things done.
Let me experiment and find out.
Prioritization is also deeply personal and hard to generalize. Would pay if it learned my prioritization logic, not generic frameworks.
Suggestion: start with one integration (maybe just Gmail?) and one persona. Validate before going broad.