When comparing Piggydb vs WizNote, the Slant community recommends WizNote for most people. In the question“What is the best cross-platform note-taking app?” WizNote is ranked 47th while Piggydb is ranked 58th. The most important reason people chose WizNote is:
Users get a free trial for 100 days.
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Pros
Pro Creativity
Piggydb is a knowledge building application. You can think of it as a mix of notetaking, outliner and concept map all together, but with the flexibility to do more than that. Its non-linear system and bottom-up or heuristic approach gives you the possibility of creativity to discover new concepts and ideas based on your input. There is no wrong way of using Piggydb. It helps you to elaborate your own knowledge.
Pro Free
Pro Hierarchical tags
Hierarchy for tags gives more flexibility than folders for classifying and structuring your content. It even allows to have parallel hierarchies for the same content using the same tags, connecting your notes together, but in different order. It is up to your needs and creativity.
Pro Free trial
Users get a free trial for 100 days.
Pro Supports Markdown
Supports Markdown with extensions including LaTeX, TOC(Table of contents), flow chart, sequence chart.
Pro Cooperation
You can create teams for cooperation. Members in a team can edit notes together. You can comment under a note or send messages to others for discussion.
Pro Real cross-platform
Supports Windows, Mac, Linux, iPhone, iPad, Android and Web.