Question: Is there a free online tool that enables me to create and organize ideas, and also offers a collaborative workspace for team projects?

If you're looking for a free online tool that lets you brainstorm and organize ideas and that has a collaborative workspace for team projects, Notion is a great option. Notion is an all-purpose workspace that combines elements of many work apps, letting you track projects, work with your team and customize information with AI-powered data visualization and filtering. It also has a drag-and-drop interface for creating pages and adding multimedia, so it's good for engineering, design, marketing and other teams.

Another option is Taskade, an AI-powered productivity tool that offers a single workspace for tasks, research and collaboration. Taskade offers customizable AI agents that automate work with AI chatbots and project assistants, and has real-time collaboration tools like project sharing, videoconferences and chat that span devices. It also offers AI-powered tools to generate workflows, write documents and help you with tasks, making it a good option for boosting productivity.

If you want a visually rich workspace, TheBrain offers a digital space to organize, link and visualize ideas and files. It offers AI-powered brainstorming, note taking and visual collaboration, and works on multiple devices with encrypted data synchronization. TheBrain is good for individuals and teams that need a single way to organize and explore ideas.

Last, Coda is a collaborative workspace that combines documents, spreadsheets, apps and AI to boost productivity. It offers Writeups for collaborative decision making, Hubs for centralized information and Trackers for integrated tables. With its 600-plus integration with other tools, Coda offers customizable solutions for different teams, helping to avoid tool sprawl and improve workflow.