Free Productivity Booster Apps for Mac
Burn
Using Burn, you can easily burn your files to a disc, choose different filesystems to share the file with, and for burning Audio CD, Burn offers MP3 tag editing to personalize your disc.
iBackup
iBackup supports scheduled backups of files, folders, and applications. Furthermore, iBackup uses plugins to backup application settings, reducing the hassle of tweaking the Mac all over again.
AppCleaner
AppCleaner is a small application that allows you to uninstall unwanted apps. AppCleaner unveils many related application files that are distributed in the System and deletes those small files during application removal.
Folx Downloader
Folx is a free downloader for Mac OS X. Folx can download files of any size via HTTP, HTTPS, and FTP. With the technology of multi-threading tasks, Folx can give maximum download speed.
Folx is still in its beta version. Hope that it's still free after the release of its official version.
Dropbox
With Dropbox, you can share your files online and across computers. If you're working with several people, Dropbox can save your time in distributing your documents as well as in backing up important files.
The free version of Dropbox can support up to 2GB of data storage, which is already quite big for normal usage.
Snippely
Snippely is a basic text and code organizational Adobe AIR Application. Snippely has a nice user interface, suitable for storing bits of code, quick notes and memos, thus avoiding cluttering your hard drives with scattered "snippets".