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.
Momento
Commercial
Momento is a smart private journal that stays up to date effortlessly.
Penzu
Freemium
Penzu is a private online diary-hosting website.
MacJournal
Commercial
MacJournal is journaling and blogging software.
Compare Day One with alternatives
Compare Zoho Notebook and Day One and decide which is most suitable for you.