Statista - The Statistics Portal for Market Data, Market Research and Market Studies

SuperNotecard - Introducing SuperNotecard. SuperNotecard is an online writing tool that features virtual notecards to help arrange facts or scenes, track details, organize paragraphs, and clarify your composition process.

Statwing - Simply upload your spreadsheet or dataset, then select the relationships you want to explore. Statwing was built by and for analysts, so you can clean data, explore relationships, and create charts in minutes instead of hours.

Linked Ideas - A macOS/iOS apps to treat ideas as links of concepts.

datarobot - Become an AI-Driven Enterprise with Automated Machine Learning

Freeplane - Freeplane is a powerful and free software for building mind maps.