Ume Outliner 1.2 could be downloaded from the developer's website when we last checked. We cannot confirm if there is a free download of this software available. The most popular versions among the program users are 1.2 and 1.1. This free software was originally developed by Shayne Kasai.
We cannot guarantee that the program is safe to download as it will be downloaded from the developer's website. Before launching the program, check it with any free antivirus software. The program's installer is commonly called Ume.exe or UmeOutliner.exe etc. The program lies within Office Tools, more precisely Document management.
From the developer:
Ume Outliner is a single-pane outliner that allows you to structure your thoughts in a tree. Unlike conventional outliners, you only have to keep track of one list. Give Ume Outliner a try to see what it's really capable of! Write better essays and papers with Ume Outliner
You may want to check out more software, such as Movie Outline, UV Outliner or Writing Outliner Word Add-in, which might be similar to Ume Outliner.
General
Office Tools