Piggydb is a free and open-source Powerful Knowledge Building Platform
Piggydb is a powerful knowledge building platform that confidently supports a bottom-up approach to effortlessly discover new concepts or ideas.
It can be expertly utilized as an outliner, diary, or notebook, and as your ever-expanding database grows, Piggydb expertly aids in shaping and elaborating your knowledge. It is an all-inclusive package with a robust web server and highly efficient database engine.
What can you do with Piggydb?
![](https://medevel.com/content/images/2023/12/1212112-1.webp)
With Piggydb, you have the power to create highly structured content by seamlessly connecting knowledge fragments to one another, constructing a dynamic network structure that surpasses the limitations of a traditional tree structure.
Additionally, you can effortlessly classify fragments using hierarchical tags, further enhancing the organization and accessibility of your content.
Features
- Note taking with Knowledge Fragments: the unit of information in Piggydb
- Text Fragments (with wiki formatting) / File Fragments
- Organizing your fragments in a flexible network structure
- Embedding a fragment into another fragment
- Tag as a first-class component (an integral part of knowledge; not a mere index)
- Hierarchical Tagging
- Smoothly integrated multi-user management (a user is a fragment tagged #user)
- Document View: browsing your organized content in printer-friendly format
- Full text search
- No installation needed: Just unzip downloaded archive and run the file
- Familiar web interface can be used as a standalone app on your computer
Screenshots
![](https://medevel.com/content/images/2023/12/11121.jpeg)
![](https://medevel.com/content/images/2023/12/11222.jpeg)
![](https://medevel.com/content/images/2023/12/33939.jpeg)
![](https://medevel.com/content/images/2023/12/112320.webp)
License
Apache License V2.0
Tech
- Java