Zim
Open Source
Zim is a graphical text editor used to maintain a collection of wiki pages.
TiddlyWiki
Open Source
TiddlyWiki is an open-source single page application wiki in the form of a single HTML file that includes CSS, JavaScript, and the content.
KeepNote
Open Source
KeepNote is a note-taking and organization. KeepNote is a note taking application that works on Windows, Linux, and MacOS X.
OutWiker
Open Source
utWiker is designed to store notes in a tree. Such programs are called "outliner", personal wiki, or tree-like editors.
myBase
Commercial
myBase is a unique free-form database software that allows entry of unstructured text, webpages, images, documents, emails and even arbitrary files.
wikidPad
Open Source
wikidPad different from other notepad applications is the ease with which you can cross-link your information.
CherryTree
Open Source
CherryTree is an hierarchical note taking application, featuring rich text and syntax highlighting, storing data in a single xml or sqlite file.
WizNote
Freemium
WizNote is a cross-platform cloud based note-taking client.
MyTetra
Open Source
MyTetra is a smart cross-platform manager for information collecting.
footnote
Open Source
footnote is a very light and neat Notebook App for elementary OS.
