Tomboy

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 …

TiddlyWiki - a reusable non-linear personal web notebook TiddlyWiki is a single html file which has all the characteristics of a wiki - including all of the content, the functionality …

Nevernote, now named NixNote, is an open source clone of Evernote designed to run on Linux. It is written in Java so it will also run on Windows & OS-X, …

Notational Velocity is a mouseless application for storing and retrieving notes. With Notational Velocity, searching for notes is not a separate action; rather, it is the primary interface. Searching...

KeepNote: note-taking and organization. KeepNote is a note taking application that works on Windows, Linux, and MacOS X. With KeepNote, you can store your class notes, TODO lists, research notes, …

nvPY is a note-taking tool inspired by Notational Velocity, nvALT and ResophNotes. It syncs with simplenote, and runs on Linux, Windows and OSX.

MyTetra is open source and cross platform personal manager for information accumulation. It is powerful program for data memorization and structuring notes. Features: Infinite ramify tree for notes...

KJots, component of Kontact, organises all of your notes into separate books. Features Multiple books handled Each book has many named pages Books and pages can be rearranged by...