Notability!

Laverna is a JavaScript note-taking web application with a Markdown editor and encryption support. It's built to be an open source alternative to Evernote.

Microsoft OneNote, part of the Microsoft Office Suite , is a digital notebook application that gives people one place to gather notes and information. It also offers shared notebooks, syncing between multiple computers and devices via Windows Live online storage, and optical character recognition (OCR) for getting text from pictures, business cards, etc.

Evince is a document viewer for multiple document formats. It currently supports pdf, postscript, djvu, tiff, dvi, cbr, cbz, etc.

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

Love Notes. Love Encryption.

Take quick notes on Post-It(r) like sticky notes on Windows desktop, stick those notes to websites, documents & folders. Set reminder alarm to each sticky note. To avoid desktop clutter, you can organize those sticky notes inside folders. Send sticky notes to another computer over local network (LAN) or Internet, Sync sticky notes between computers using the Notezilla.Net cloud service, access your sticky notes on any smart-device such as iOS(iPhone/iPad), Android, Windows Phone, Blackberry etc. »

NixNote, formerly Nevernote, is an open source client for Evernote . It is written in Java so it will also run on Windows & OS-X, but the primary focus has been to try and get a usable environment for Linux.

WizNote is a Note software, which is especially designed for Internet users and mobile Internet users. WizNote focuses more on notes of rapid collection, management, reading and sharing. WizNote is smaller, more stable, and more suitable for computers, phones and mobile devices. It has a more abundant notes organization and rapid fulltext retrieval. Using associated online service, you can synchronise the notes between your computer and your cell phone.

Leanote provides services for note and blog. You can use "note" as your personal notebook, if you want to share with friends, just publish note or notebook to the blog.

Gorgeous note-taking app for Mac with Evernote integration. Alternote has pixel-perfect interface, robust search, distraction-free mode and lots more. It is designed to be the most convenient and natural way to make notes, collect information, write down your ideas, feelings and memories

Online Notebook application: Zoho Notebook lets you combine text, images, audio, video, RSS feeds, documents and much more. Online Collaboration: You can share a single image or selection of text from a page rather than the whole document, giving the author absolute control over what information is shared with others. Notebook also provides real-time collaborative editing. Firefox plug-ins for instant web clipping; Skype integration for instant chat and IP telephony.

Ciphernote was born out of frustration with one aspect of existing cloud-based note taking applications: Privacy. While there's a multitude of solutions that offer decent note-taking features combined with cloud-synchronization accross devices, none of these existing solutions provide the security and peace of mind offered by zero-knowledge client-side encryption. In light of rampant privacy violations of governments and state-sponsored actors accross the globe, there's a need for a journaling application that makes security and privacy protection its number one priority »

NimbleNotes is an online note taking and study platform, designed to help students learn more efficiently. Our digital notebook improves your learning workflow with instantly generated flashcard decks, study session analytics, and advanced filtering capabilities.