The Linux Desktop Testing Project (LDTP) is an open-source testing tool that uses computer assistive technology to automate GUIs. The GUI functionality of an application can be tested in Windows, Mac, Linux, Solaris, FreeBSD and embedded environments. The Mac OS X version is called PyATOM, and the Windows version is Cobra. LDTP can test any accessibility-enabled GNOME application, Mozilla, OpenOffice.org, any Swing-based Java, Qt 4-based and KDE 4.x applications. LDTP is/was used by the following companies/organizations: LDTP can be used to remotely test applications.