I found out about the Town Hall Project from this question on ask. The data in the spreadsheet are amazing, but it can be pretty hard to get the most relevant data out of a spreadsheet. I made a couple hacked together maps to help with that question, but then decided to actually make a real thing as a learning exercise and to hopefully help other people out. [more inside]
ContactDemocracy is a website that's designed to make it even easier to contact your elected officials about issues that matter to you. Just select your location, and ContactDemocracy will generate contact information for all your elected officials, and offer to add it to your device's contacts app. Then, whenever you want to contact them, just tap/click on the contact in your device's contacts app! [more inside]
CallGov.us is a simple tool for calling your senators and representatives in Congress -- you can create scripts and calls-to-action, track your calls, and share with friends.