A hierarchical note taking application, featuring rich text and syntax highlighting, storing data in a single xml or sqlite file.
Workflowy lets you organise your brain into easily manageable lists. It also works as a single-pane outliner with inline notes. It offers one-click hoisting (zooming into branches). The online version syncs with mobile apps.
Manuskript is an open-source tool for writers, with outliner, character management, plot development, distraction-free editor, etc.
ToDoList is software in the category of Task Management, Project Management, Productivity, “Getting Things Done” (GTD), Scheduling, and Collaboration.
wikidPad is a Wiki-like notebook for storing your thoughts, ideas, todo lists, contacts, or anything else you can think of to write down. What makes wikidPad different from other notepad applications is the ease with which you can cross-link your information.Discontinued
Last update was in November 2018, and various links are dead on their website.
ACDSee is a complex, multi-purpose application that serves for viewing, organizing and editing digital photos. Furthermore, images can be shared on social websites or your own space on the developer’s website.
ACDSee Photo Studio Features
MyInfo is free form personal information manager- a reference-management system that allows you to collect, organize, edit, store, and find documents, notes, and project-support materials.
A smooth yet powerful writing experience for devoted authors. With only wanted features and native workflow it runs faster than all your previous apps combined.
Story Architect (STARC) Features
You can keep notebooks stored in plain-text and have them synchronized with a directory on your mobile device, SD card, Dropbox, or over WebDAV.Discontinued
The last update is from Nov. 2022, but there is fork: https://github.com/orgzly-revived
Next Generation Session, Windows, Tabs Manager and a TooManyTabs Solution That Really Works.
Tabs Outliner Features
KeyNote NF is a flexible, multi-featured tabbed notebook, based on Windows standard RichEdit control. It's always accessible with a single keypress, even if you work in another application.
KeyNote NF Features
A new medium for your ideas—augment your thinking with a text editor designed for structuring lists. Side-by-side views allow 3 modes of thinking.
RunaBook is a tool for creating notes, managing tasks, and establishing knowledge bases. It features a tree-structured record system for easy organization, and offers various field types for data entry, such as text, number, date/time, and labels.
novelWriter is a Markdown-like text editor designed for writing novels and larger projects of many smaller plain text documents. It uses its own flavor of Markdown that supports a meta data syntax for comments, synopsis and cross-referencing between files.