An interactive bi-dimensional digital edition of the Tractatus Logico-Philosophicus by Ludwig Wittgenstein.
Try it here: https://remogrillo.github.io/tractatus_digitale/
This twentieth-century masterpiece of meta-philosophy striked me in the same amount for its content and its form. Behind the apparently-linear form of the book (behind the often oversighted proposition numbers) there is a wonderful architecture of logical beauty and of exegetical importance. Each and every proposition fits into a precise spot within a tree-like hierarchical structure, where it can have a parent proposition, siblings, children.
Every relation of this kind is of fundamental importance. Many relations, in the linearity of the book version, are lost. (Furthermore, the mono-dimensional form of the book exhibits dozens of misleading connections.)
The thinker is like the draftsman who wants to represent in his drawings all possible connections. - L.W.
This minimal tool allows the reader to show connections between propositions directly and clearly. A click on a proposition will show its children on the following column: there are five columns, each for every depth level of the Tractatus. Siblings and parent propositions will still be visible and close, to allow a bi-dimensional read of the work.
As for any idea I have, I later find that there are dozens of people who realized something similar before me (which is, in some sense, a good sign). Here is a list of the ones I found:
http://www.bazzocchi.net/wittgenstein/tractatus/eng/index.htm http://philosurfical.open.ac.uk/tractatus/tabs.html https://pbellon.github.io/tractatus-tree/#/