| Hierarchical Notes | Hierarchical notes and Dendron | NIY* (Private) | NIY* (Private) | NIY* (Private) | NIY* (Private) | NIY* (Private) | NIY* (Private) | NIY* (Private) |
| Bullet Journal | Bullet Journaling and Dendron | NIY* (Private) | NIY* (Private) | NIY* (Private) | NIY* (Private) | NIY* (Private) | NIY* (Private) | NIY* (Private) |
| Para | NIY* (Private) | NIY* (Private) | NIY* (Private) | NIY* (Private) | NIY* (Private) | NIY* (Private) | NIY* (Private) | NIY* (Private) |
| Zettelkasten | NIY* (Private) | Zettelkasten with Pen and Paper | NIY* (Private) | NIY* (Private) | NIY* (Private) | NIY* (Private) | NIY* (Private) | NIY* (Private) |
| Networked Notes | NIY* (Private) | NIY* (Private) | NIY* (Private) | NIY* (Private) | NIY* (Private) | NIY* (Private) | NIY* (Private) | NIY* (Private) |
| Commonplace book | NIY* (Private) | NIY* (Private) | NIY* (Private) | NIY* (Private) | NIY* (Private) | NIY* (Private) | NIY* (Private) | NIY* (Private) |