Here is a nice review of 3 web sites for researching federal legislative information. I added the Thomas site because it is such a good site and also has RSS feeds.
- Thomas (Library of Congress)- purpose of the site is to make federal legislative information freely available to the public. Search for bills, Congressional Committee information, treaties, and other Congressional activity. Recent additions include RSS feeds for the Daily Digest of the Congressional Record, the House Floor and the Senate Floor.
- GovTrack – “allows visitors to research pending legislation by subject area and by Congressional committee. It also allows you to set up bill tracking RSS feeds (with registration) and embed widgets such as for bill status updates. It also has a blog.”
- OpenCongress (OC) "brings together official government data with news coverage, blog posts, and public comments to give you the "real story" behind what's happening in Congress. OC has a blog and a wiki.”
- MapLight “is all about the money. Specifically, this site illuminates the connection between campaign donations and legislative votes. It links (a) bill text and legislative voting records, (b) supporting and opposing interests for each bill and (c) campaign contribution data from the Center for Responsive Politics and the National Institute on Money in State Politics.”
Read more about this review written by Jason Sowards at the RIPS Law Librarian blog.
My previous post some months back also covered finding federal law on the web.

