open source

Open various media files with only one tiny program.

Open and read DjVu files.

Open and view Microsoft Project MPP files.

Open over 80 different file types like PDF, RAR, ZIP, DOCX, PPTX & others from one program.

Open a DOS prompt in the current folder with a file or folder name variable

Open, edit, save, convert to xml NetCDF files in MS Windows environment.

Open the document once, and find it when you need...

Open, view, play everything !

Open 47 different compression and encoding formats with superior ease-of-use.

Open and view DICOM files.