There are other programs and technologies that you may want to learn to allow you to enhance your services or offer some unique ones:
Adobe Acrobat/PDF Creators – convert various document types to PDF.
Adobe PhotoShop – used to create website headers, banners, E-Book covers, postcards, etc., as well as edit photos and graphics.
PowerPoint – used mainly to design slide shows and presentations.
AudioAcrobat – web-based audio storage and management system.
Audacity – free, multilingual, open-source audio editor.
Moodle – web-based learning management system to create and deliver online courses.