Visual Outliner
Visual Outliner is an outliner software for Windows, and it uses OPML as native file format.
21 Alternatives To Visual Outliner
Bonusly
Recognition and rewards that make work fun
BucketList
Bucket list ideas, advice and support
Checkvist
Checkvist is a tool to create and share checklists, plans, and outlines.
Dynalist
Dynalist is a web app that lets you break down and organize your thoughts in the format of lists.
GoalEnforcer Hyperfocus
Visual Goal Setting Software and Task Management
MemPad
MemPad is a plain text outliner and note taking program with a structured index.
Moo
Moo allows you to create top quality, premium business cards.
NoteFly
NoteFly is a small advance note taking application that allows you to create sticky notes.
Noteliner
Noteliner is an outlining tool for keeping track of todos and other information about projects.
OmniOutliner
OmniOutliner is a writing app for collecting information, outlining ideas, adding structure to any sort of writing.
Org mode
Org: an Emacs Mode for Notes, Planning, and Authoring
Orgzly
Outliner for notes, tasks and to-dos
Outlinely
Indispensable information organization tool for knowledge workers.
Quitter for Mac
Automatically hide or quit apps after periods of inactivity
Tkoutline
Tkoutline is a single pane, cross-platform outline editor written in Tcl/Tk .
TreeLine
TreeLine just stores almost any kind of information.
Trello
Infinitely flexible. Incredibly easy to use. Great mobile apps. It’s free. Trello keeps track of everything, from the big picture to the minute details.
UV Outliner
UV Outliner is a small and powerful single-pane outliner.
Unclutter
Unclutter is an app that is designed to help Mac users bring order to their desktop. Among other features, this powerful piece of software provides quick access to a user’s notepad and clipboard.
wikidPad
wikidPad is an application for storing thoughts, ideas, todo lists, contacts, or anything else that user can think of to write down.