Audacity - Audio recording software that is perfect for creating podcasts or converting sound files to mp3.
AudioBoo - Audio recording software for the web and mobile phones. Less robust than Audacity, but better for quick and easy uploading and sharing on the web.
QuickTime Player - Apple plugin for playing video and audio files, as well as merging clips into a single movie or recording your screen.
Flickr - Photo management and sharing web application from Yahoo!.
Picasa and Picasa Web Albums - Image editing software and photo management by Google. Similar to Flickr, but less community-oriented and allows you to edit images before publishing.
Gimp - Open source image creation and editing application that is similar to Adobe Photoshop in features (except free!)
Communication
Adobe Connect - Web conferencing software that provides two-way audio and video communication, interactive whiteboard, desktop and application sharing, chat, breakout rooms, and more. For help with Adobe Connect, see the Learning Technologies' Adobe Connect page.
Blogger - Google's blogging platform that is simpler than Wordpress, but can be integrated with other Google services such as Google Docs.
Tumblr - Micro-blogging software for short posts in the form of text, images, videos, links, quotes and audio.
Wikispaces - Wiki software for collaborative authoring online.
Prezi - Presentation software that allows you to zoom in and out on content displayed on a single canvas, rather than advance from one slide to the next such as in Microsoft PowerPoint.
Twitter - Social networking platform that allows you to post updates in 140 characters or less and follow others to share information, including breaking news.
Browsers
Mozilla Firefox - Contains an extensive directory of add-ons to enhance your web browsing experience.
Google Chrome - The fastest and most lightweight browser, which also has extensions.
Safari - Apple's web browser that is the default browser for Macs.
Internet Explorer - Microsoft's web browser that is the default browser for Windows.