- Free “Audacity” sound editing software allows you to edit sound files for use in PowerPoint presentations, and has many other uses for managing sound recordings.
- Free “GIMP” software is an open-source graphics editor alternative to Photoshop. Like Photoshop, GIMP provides an eye dropper color matching tool that will allow you to select perfect color matches for use in PowerPoint.
- Free “7zip” file compression software is more effective than Winzip or StuffIt in compressing files. In addition, encrypted password protection can be incorporated into the compressed files.
- Free “Firefox” Internet browser has many features and add-ons (called extensions) that are not available in Microsoft Internet Explorer.