Investintech offers downloads of its Sonic PDF Creator 3 Giveaway Version for Windows for free when you “like” its Facebook page. (You’ll get a unique code to download it from the Investintech site.) That’s $50 off and the best deal we could find for this software. Sonic PDF Creator converts Word, Excel, and other file formats into PDF files and features batch conversion, watermarking, PDF merging and splitting, and more.

Visit the Sonic facebook page, click LIKE button, get the code then go to Home page enter your code the download free!