Feebles

Here some free applications that you can download and they are quite user-friendly:

Graphic and Screen Capture Resources:

Gimp Image Editing App: The GIMP (GNU Image Manipulation Program) is a freely distributed program for such tasks as photo retouching, image composition and image authoring. It has many capabilities. It can be used as a simple paint program, an expert quality photo retouching program, an online batch processing system, a mass production image renderer, an image format converter, etc.

Jing: Jing allows you to snap a picture of your screen or record video. You can incorporate your snapshots and screencasts into your courses or share with friends. For the video recordings, you can use screencast.com to share the link of the flash created file. If you decide to upgrade to Jing Pro, you will have the ability to create MPEG files.

Screencast.com is a TechSmith solution for business and academic professionals looking to manage and share videos, images, documents, or anything else online. Screencast.com's high-quality content-hosting gives you complete control over how, when and to whom your content is distributed.

Screenr℠, a service provided by Articulate Global, Inc. ("Articulate"). You can create screencasts for your followers as easily as you tweet.

PDF Converters:

CutePDF: After installing CutePDF, you'll be able to convert your Microsoft Excel, Word or PowerPoint documents, emails or web sites to PDF files using the print command.

PrimoPDF: Make PDF documents for different uses, including online viewing, eBooks, office printing, and prepress (high-end printing). Combine PDF files after they are converted.