Shelfster is described as 'free solution that allows you to capture information from everywhere and easily create online documents with all the gathered information at your fingertips' and is an app in the Office & Productivity category. There are more than 100 alternatives to Shelfster for a variety of platforms, including Windows, Mac, Linux, Android and Online / Web-based. The best alternative is Microsoft OneNote, which is free. Other great apps like Shelfster are Evernote (Freemium), Simplenote (Free, Open Source), Zim (Free, Open Source) and Todoist (Freemium).
Todoist is a task manager thats useful, fast and easy to use. Accomplish more, every day. Millions of people rely on Todoist to get things done. Todoist lets you manage your tasks anywhere. At home. At school. At work. Online. Offline. And on 13 platforms and devices.
A simple but effective way to keep on top of your tasks, 10 languages. ToDoList is a rare form of task management tool, one that allows you to repeatedly sub-divide your tasks into more manageable pieces whilst still presenting a clean and intuitive user experience.