OutWiker is described as 'is designed to store notes in a tree. Such programs are called "outliner", personal wiki, or tree-like editors' and is an app in the Office & Productivity category. There are more than 25 alternatives to OutWiker for a variety of platforms, including Windows, Linux, Mac, BSD and PortableApps.com. The best alternative is CherryTree, which is both free and Open Source. Other great apps like OutWiker are Zim (Free, Open Source), RedNotebook (Free, Open Source), wikidPad (Free, Open Source) and MemPad (Free).
- wikidPad is a Wiki-like notebook for storing your thoughts, ideas, todo lists, contacts, or anything else you can think of to write down. View 232 alternatives to wikidPad
Last update was in November 2018, and various links are dead on their website.
- Free • Open Source