OpenJean is described as 'PIM software, personal information manager, open source, cross-platform, organizer, address book, appointment, calendar, diary' and is an app in the Office & Productivity category. There are more than 10 alternatives to OpenJean for a variety of platforms, including Windows, Linux, Mac, BSD and PortableApps.com. The best alternative is Zim, which is both free and Open Source. Other great apps like OpenJean are AllMyNotes Organizer (Freemium), MyTetra (Free, Open Source), myBase (Freemium) and TreeLine (Free, Open Source).
- 11 alternatives
- TreeDBNotes is a powerful and easy-to-use personal database program, Word Processor with Tree Structure. User interface in 21 languages available. View 148 alternatives to TreeDBNotes
The last software update was in September 2015, despite website seems to be still active. It would say that the website is held only for money reasons.
- Freemium • Proprietary
- KeepNote: note-taking and organization. KeepNote is a note taking application that works on Windows, Linux, and MacOS X. View 120 alternatives to KeepNote
No new releases since March 2012, but last version, 0.7.8, is still working and can be downloaded from the official website.
- Free • Open Source
- 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. View 90 alternatives to TreePad
The treepad website is no longer available. You can still find the program at https://web.archive.org/web/20190720190155/http://www.treepad.com/treepadfreeware/
- Free Personal • Proprietary
- Raspberry Pi