GSA is pressing on with its OASIS contract, but closings at GAO and other agencies could pose problems.
The system employers use to ensure their employees are legally entitled to work in the U.S. will be unavailable until the shutdown ends.
Private-sector apps that rely on government data could be stuck without updates until the government reopens.
Many of the employees who maintain agency Twitter, Facebook and Pinterest accounts will be furloughed until the shutdown ends.
As Congress fails to reach agreement on funding measures, OPM guidance provides information to furloughed feds.
Sen. Chuck Schumer: 'We will not be extorted' by House Republicnas trying to tie funding for the government to a delay of the health care reform law.
With the shutdown a reality, theoretical contingency plans get a real-world test.
Senate drops a provision to defund Obamacare from the House bill.
If Congress can't come up with a way to continue funding the federal government by Oct. 1, many people won't notice much difference, at first. But it won't take long for the consequences to grow more dire.
The furloughs brought about by a shutdown would be more sweeping than those DOD employees have already endured under sequestration.
Who can work -- and when they'll get paid -- depends on a complex mix of factors, experts say.
The last time the government shut down, the Internet was in its infancy and the political landscape was different. Times have changed.