Free Apps with 'Hierarchical structure' feature for Google Chrome
- An open source note taking and to-do application with synchronisation capabilities.
- TagSpaces is an open source personal data manager.It helps you organize and browse your files on every platform.Cross-platform file tagging and file finding
- An award-winning cloud-based Project Management software aims to help collaborative teams organize and manage from small enterprise projects to large-scale initiatives. .
- a simple yet powerful mindmapping tool that supports brainstorming, presentation and collaboration .
- Create instant task lists, share notes, and video chat, all on the same page. Taskade is a modern organization and collaboration tool for getting things done. Get our app on Web, Mobile, Chrome, Mac and Windows. Taskade is simple, flexible, and fun! .