Democracy.io by EFF - A simpler way to send messages to Congress
ResistBot - Civic engagement application.
The Red Line - Call Republican senators in russian so they'll listen to you
GovTrack.us - GovTrack.us enables users to track the bills and members of the United States Congress.
Call Your Reps - We make it easy to find & call your members of Congress.
ISideWith - See which American political parties, candidates, and ballot initiatives match your beliefs based on the 2019 issues that are most important to you.