TiddlyMap is an open-source, web-based organizational tool that helps teams and individuals organize their tasks, documents, and data. The app provides a visual, interactive and customizable map-based interface for managing projects and tasks. It allows users to create, store, and organize notes, tasks, and other documents. The user can also define relationships between documents, tasks, and other data points, creating an interactive map with multiple layers of information. TiddlyMap also provides powerful search and filtering capabilities, enabling users to quickly find and access the information they need. The app is designed to be a central hub for teams and individuals to organize their work, share information, and collaborate on projects.
Discontinued development and support of Docear was stopped in August 2017. The latest version, 1.2, released in December 2015, can still be downloaded from the official website. http://www.docear.org/2017/02/05/docears-online-services-are-down-recommendation-user-registration-backup/