Piggydb is an open source Web notebook application that provides you with a platform to build your knowledge personally or collaboratively. Developed by Daisuke Morita
License: Open Source
MacJournal is primarily designed for journaling with rich text editing and media integration, making it ideal for personal use. In contrast, Piggydb offers a more flexible and structured approach to note-taking with extensive tagging and linking features, suitable for users who require organization and cross-platform access.