TreeDBNotes has been discontinued. Similar apps include Notesnook, which is open source with a free version. Other options are Zim, CherryTree, Trilium Notes and Cryptee. There's no shortage of Note-taking Tools like TreeDBNotes, with more than 50 alternatives for Windows, Mac, Linux, Android and iPhone.
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.
Russia
A free and lightweight outliner, only 465KB in size. It allows you to store all your notes, emails, texts, hyperlinks, etc. into one or multiple plain-text databases. With the look and feel of the familiar Windows Explorer, editing, storing, browsing, searching, and retrieving...
Netherlands
EU
MyInfo is a personal information manager for Windows. It will help you capture, organize, edit and share ideas, documents, tasks, and web pages.
BulgariaEU
Use Notes to capture a quick thought, create checklists, sketch ideas, and more. And with iCloud, you can keep your notes up to date across all your devices.
United States
WizNote is a Note software, which is especially designed for Internet users and mobile Internet users. WizNote focuses more on notes of rapid collection, management, reading and sharing. WizNote is smaller, more stable, and more suitable for computers, phones and mobile devices.
China
RightNote will help you get a grip on information overload. It is designed to be easy to use for the new-comer, but also provide advanced features once your notes start to accumulate. RightNote can store text notes, source code, spreadsheets and webpages.
Australia
MyTetra is open source and cross platform personal manager for information accumulation. It is powerful program for data memorization and structuring notes.
Privacy oriented, without vendor lock in note organizer, todo list desktop application. Work offline with text, markdown and pdf files.
OneNote Online, part of , is the online version of Microsoft OneNote .
United States
MemoMaster is a free outliner software to create, administer and reference texts and calculations in the familiar tree structure. It enables intuitive searching, browsing, and organization of information.
GermanyEU
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.
United States
This application provides as many baskets as you wish, and you can drag and drop.
GermanyEU
