Lots of good non-gendered advice. My own is to stand up, and possibly to tidy something every time you walk between rooms. I find that when I'm sitting down I want to fuck around on the computer or keep doing what I'm doing, and if I stand up I'm already halfway to doing whatever chore or task I don't want to do.

Here's my stab at gendered advice:

1. when you have power over someone, you have some kind of extra responsibility towards them. Leftist men don't want patriarchy but it's here nonetheless. We have to be considerate of women who may feel pressured to say or do certain things, who can't give us the benefit of the doubt without taking a risk, etc. This extra responsibility may be comparatively small, but it still sucks. You can exercise some of that frustration by calling out sexism in male spaces and helping friends self-crit. Until women are free we won't really be free either. Comrades of other genders, you have similar responsibilities if you find yourself a beneficiary of racism, cis/heteronormativity, etc.
2. Be an active architect of your own social life. Many men sit back and wait for somebody else (often women, see 1.) to plan things. If we all do that we're going to be alone. Because there are some slackers, you should be planning more than half of the things you do.