PuppyOnePuppyOne is a local-first, open-source (Apache-2.0) workspace for documents, notes, PDFs, research and drafts. AI assistants work on the same project files across sessions, and changes made by AI can be reviewed and restored through version history. It is positioned as an Obsidian/Notion alternative, not a coding IDE. Mac General and Interdisciplinary Project Research Note-taking Open Science AI puppyone.ai GitHub Local-first workspace for documents, notes, PDFs, research and drafts AI assistants work on the same project files across sessions Built-in version history to review and restore AI-made changes Open source (Apache-2.0)