This document discusses the differences between traditional software and online software, also known as web-based applications. It provides examples of useful online software for libraries, such as word processors, spreadsheets, file storage, photo editors and video editing. The key advantages of online software over traditional software are that it is free, requires no downloads, provides better access to applications and data, can expand library services for free, and is easy to use. Online software looks and works like traditional applications and is designed to be user-friendly. The document recommends blogs and websites to stay current on trends in online and hybrid online/offline applications.