Evernote
Freemium
Evernote is a note taking application which keeps the notes taken in sync across all platforms using its cloud infrastructure.
Simplenote
Open Source
Simplenote is an easy way to keep notes, lists, ideas and more.
Leanote
Open Source
Leanote is a self-hosted note taking app.
BeeCanvas
Free Personal
BeeCanvas is an online whiteboard based visual collaboration tool.
Notezilla
Commercial
Notezilla is a sticky notes app for Windows.
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.
Compare Piggydb with alternatives
Compare Zoho Notebook and Piggydb and decide which is most suitable for you.