Top Alternatives to Ultra Recall

Evernote is a note taking application which keeps the notes taken in sync across all platforms using its cloud infrastructure.

Microsoft OneNote is a digital note taking and sharing app from Microsoft.

Notezilla is a sticky notes app for Windows.

Joplin is an open-source free note taking and to-do application.

CintaNotes is a freemium Microsoft Windows notetaking program.

NoteLedge note-taking and management solution.

Flamory saves a copy of every web page or file that you see on your screen.

CherryTree is an hierarchical note taking application, featuring rich text and syntax highlighting, storing data in a single xml or sqlite file.

NixNote is an open source client for Evernote.

TheBrain, formerly branded PersonalBrain, is a mind mapping and personal knowledge base software.

Notational Velocity is a software for Mac OS X used for notetaking. It allows users to create notes using solely a computer keyboard and search them using incremental find.

ResophNotes is a fast note writing tool and a Simplenote client on Windows.

WizNote is a cross-platform cloud based note-taking client.

Leanote is a self-hosted note taking app.

Zoho Notebook takes the same catch-all approach as Evernote and OneNote, but has a few design ideas of its own.

Guide is an application that allows you create documents ("guides") which inherently have a tree (which you can modify as you please) and text associated with each node of the tree.

Treepad is a personal information manager, notes organizer.

Quiver 3D Augmented Reality coloring apps: print, color and see your drawing in beautifully hand-animated 3D worlds.

BeeCanvas is an online whiteboard based visual collaboration tool.

ConnectedText is a powerful but simple information management system. It is based on wiki principles.

footnote is a very light and neat Notebook App for elementary OS.