GNotes!

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.

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

Have you ever felt the frustration at not being able to locate a website you wanted to check out, or find an email you found interesting, or remember an idea about the direction of the political landscape in post-industrial Australia? Or are you one of those desperate souls with home-made, buggy, or not-quite-perfect notes systems?

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. »

Love Notes. Love Encryption.

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.

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.

Note taking open-source application aimed to have both a simple interface but keeping smart behavior.

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.

QOwnNotes is the open source plain-text notepad with markdown support and todo-list manager for Linux, Mac OS X and Windows, that works together with the notes application of ownCloud.

nvALT is a fork of the original Notational Velocity with some additional features and interface modifications by Brett Terpstra and ElasticThreads.

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