MyTetra
MyTetra is open source and cross platform personal manager for information accumulation.
19 Alternatives To MyTetra
ConnectedText
ConnectedText is a powerful but simple information management system.
Evernote
Bring your life’s work together in one digital workspace. Evernote is the place to collect inspirational ideas, write meaningful words, and move your important projects forward.
Joplin
Joplin is a free, open source note taking and to-do application, which can handle a large number of notes organised into notebooks. The notes are searchable, tagged and modified either from the applications directly or from your own text editor.
Memento
Memento is a personal database that allows you to store all personal data in one place.
OneNote
Get the OneNote app for free on your tablet, phone, and computer, so you can capture your ideas and to-do lists in one place wherever you are. Or try OneNote with Office for free.
OneNote Online
OneNote Online, part of Office Online, is the online version of Microsoft OneNote.
Simplenote
The simplest way to keep notes. Light, clean, and free. Simplenote is now available for iOS, Android, Mac, and the web.
Zim Wiki
Zim is a graphical text editor used to maintain a collection of wiki pages. Each page can contain links to other pages, simple formatting and images.
myBase
myBase is a powerful yet easy-to-use knowledge management software that allows you to save and organize all your information in one place
wikidPad
wikidPad is an application for storing thoughts, ideas, todo lists, contacts, or anything else that user can think of to write down.