MindSpark lets you store private mind maps as JSON files in your own git repo

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MindSpark is a browser-based mind mapping tool that saves diagrams as private JSON files directly in a user-controlled git repository. The app supports GitHub, GitLab, and Gitea/Forgejo, automatically committing every change to a repository named mindspark-maps. This approach gives users full version history and complete ownership of their data. MindSpark runs entirely client-side with no intermediary server, and supports both OAuth and access tokens for secure authentication. It also features keyboard-driven editing for a streamlined user experience.

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