XCALIBRE

Author: Assessment Systems Corp.
Contact: https://assess.com/xcalibre/
Description: Xcalibre represents the leading edge in software for item response theory (IRT) analysis of assessments. Xcalibre calibrates your test using 4 dichotomous and 5 polytomous IRT models, and produces professional reports summarizing the analysis, complete with embedded graphics and tables. It also includes differential item functioning and IRT linking. Xcalibre is the most user-friendly IRT software available, with a purely point-and-click interface - no programming code!
Analyses: Attitude Scaling; Item & Test Analysis; Simulation/Resampling
System Requirements: Windows
Measurement Model: IRT/Rasch
License Type: Commercial
Documentation: demo version; online manual