Ballot Browser is open source ballot counting software developed initially for the Humboldt County

Humboldt County, California

Humboldt County is a county in the U.S. state of California, located on the far North Coast 200 miles north of San Francisco. According to 2010 Census Data, the county’s population was 134,623...

 (California) Election Transparency Project. In November 2008, counting performed with Ballot Browser revealed a bug in Premier Election Solutions' (formerly Diebold

Diebold

Diebold, Inc. is a United States-based security systems corporation that is engaged primarily in the sale, manufacture, installation and service of self-service transaction systems , electronic and physical security products , and software and integrated systems for global financial and...

Election Systems) GEMS tabulation software. Subsequent investigation by the California Secretary of State led to the decertification of the GEMS version used in Humboldt County.

Ballot Browser was developed by Mitch Trachtenberg and is available, free, from http://www.tevsystems.com.