Legislative Explorer: Data Driven Discovery →

University of Washington Center for American Politics and Public Policy:

[LegEx is a] one of a kind interactive visualization that allows anyone to explore actual patterns of lawmaking in Congress.

Get the ‘big picture’
Compare the bills and resolutions introduced by Senators and Representatives and follow their progress from the beginning to the end of a two year Congress.

Dive deeper
Filter by topic, type of legislation, chamber, party, member, or even search for a specific bill.

This is incredible. This Vox article has a more in-depth explanation of it.