Evernote
Freemium
Evernote is a note taking application which keeps the notes taken in sync across all platforms using its cloud infrastructure.
Day One
Commercial
Day One is a simple journal application for the Mac, iPhone, and iPad.
Leanote
Open Source
Leanote is a self-hosted note taking app.
Journey
Freemium
Journey is a journal app companion that keeps your private memories for a lifetime.
BeeCanvas
Free Personal
BeeCanvas is an online whiteboard based visual collaboration tool.
NixNote
Open Source
NixNote is an open source client for Evernote.
WizNote
Freemium
WizNote is a cross-platform cloud based note-taking client.
Zoho Notebook
Free Personal
Zoho Notebook takes the same catch-all approach as Evernote and OneNote, but has a few design ideas of its own.
MacJournal
Commercial
MacJournal is journaling and blogging software.
Compare Momento with alternatives
Compare Zoho Notebook and Momento and decide which is most suitable for you.