GhostSurf is a special version specifically designed for VCOM that provides personal privacy, without any timelimit. Tenebril, the authors of GhostSurf, also offers a Pro version that includes many more privacy enhancing features, ad blockers and more. 

MailWasher is an anti-spam tool that provides unlimited usage for a single email account, again, there is no time limit to the product. FireTrust, the authors of MailWasher, also offer a Pro version that will handle many email accounts at the same time.