https://www.govtrack.us/congress/votes

and progressivepunch.org (if you wanna see their history on a progressive axis)
http://progressivepunch.org/

as far as news/up-to-date coverage on candidates, liberal/progressive issues, etc on a local, state, and federal level. my favorite site is dailykos.
http://www.dailykos.com

all of these sites are kinda wonky and not easy to navigate or digest tho.

i wish some liberal billionaire bought up most of these sites and consolidated them into one user-friendly political engagement entity. producing a more civically-informed base would reap rewards way into the future. thats something that would serve somebody like tom steyer a lot better than massive impeachment ad campaigns.