Apps similar to ActionPad include Zim, which is free and open source. Other options are CherryTree, Todoist, Cryptee and ToDoList. There's no shortage of Note-taking Tools like ActionPad, with more than 100 alternatives for Windows, Mac, iPhone, Android and the web.
Notebook is a personal notebook application. Its for storing notes, to-do lists, daily logs, things you want to remember, neat ideas you might do something with some day, cute things your children said, bad jokes--all the kinds of things you would write down now if only you had...
Cheddar keeps your world organized. It's easy to use on your iPhone, iPod touch, iPad, and on the web. Cheddar is super simple and instantly in sync on all of your devices.
United States
Jarnal is an open-source application for notetaking, sketching, keeping a journal, making a presentation, annotating a document - including pdf - or collaborating using a stylus, mouse or keyboard. It is similar to Microsoft .
MixNote is a mobile note taking app, like a memo pad or notepad. Take note of every deserved thing, with text, ToDo, voice and picture.
China
Remember The Task is a light-weight ToDo application that allows you to maintain a list of tasks to be done. It Syncs with Remember The Milk so you can manage your tasks on the go using RTM.
Tinotes is an open platform to store and organize your ideas, memories and plans. Use components you know from other apps — notes, lists, multimedia, editors etc… Combine them freely and compose a unique desktop to match your current requirements.
Due Today offers a powerful solution to organize your tasks and projects using a mixture of David Allen's Getting Things Done methodology and your own organizational scheme.
Dashword is by far the most convenient and user-friendly tool for creating any semantic network, be it your business idea, an abstract of a lecture on computer science, a script for a movie or a recipe for your favorite dish.
France
EU
Wieldy is a free to-do list manager that is based on the principles of GTD (Getting Things Done). It allows you to manage your to-dos in a simple but effective way. To-dos can be created as thoughts and actions, which can then be assigned to the Next Action, Today, or Someday...
Yojimbo makes keeping all the small (or even large) bits of information that pour in every day organized and accessible.
United States
Productivity app. Save information like a sticky notes. You can create notes with images, videos or whatever you want. Save pages to read later or capture any web content with the chrome or firefox extension. Share boards with your friends. Create public boards.
