Eidos is described as 'An extensible framework for Personal Data Management' and is an app. There are more than 10 alternatives to Eidos for a variety of platforms, including Android, iPhone, Mac, Windows and Web-based apps. The best Eidos alternative is Obsidian, which is free. Other great apps like Eidos are Logseq, Anytype, Notion and Evernote.
Tana's combination of simple concepts lets you build anything. Easily turn raw notes into tasks, bugs, follow-ups and more with Supertags. Everything in Tana is connected in a graph, so you can leave files and folders behind. Data flows to where it needs to be.
