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Audit Software tool for data analytics and fraud investigations
GeneralPre-built scripts
Testing for "ghost" employees Accounts Payable
Auditing vendor master tables Property records
Auditing procurement cards Journal entries
Identification of potential duplicate invoices Payroll records
Transportation fraud Re-calculating Depreciation
"Same, Same, Different " Inventory systems
Collaborating with Web CAAT on an intranet Testing for Employee Vendors
System security Accounts Receivable
Prevention of duplicate payments Identifying Excess and Obsolete Inventory
User Guide IDEA Scripts
Monetary Unit Sampling  
Product article review - 3d2f editors consider it the most promising in its class  
Articles and resources regarding interviewing and fraud investigations
Interviewing and fraud investigation (Hamlet's Mind)  
View system running on 64 bit Unix System (Centos 5)
The purpose of Web CAAT is to make data analysis easier. Includes more than 50 tools for the detection of fraud. Compatible with Microsoft Excel and Access. Web CAAT is able to handle large data volumes (e.g. 180 million records). If desired, the system can run on large 64 bit Unix systems. Tutorials are available on installation and use of the system. The system is open source (LGPL3), there is no license cost.
Current software version 3.21 (2012-10-11) download 241 MB zipped