Professional, open-source note-taking application built for power users. Connect your thoughts with wiki-style linking, visualize your knowledge graph, and extend everything with plugins.
Powerful features designed for knowledge workers, researchers, and writers.
Full-featured editor built on CodeMirror 6 with syntax highlighting, auto-completion, and live preview.
Visualize connections between notes with an interactive D3.js-powered force-directed graph on canvas.
Connect notes naturally with [[wiki links]] and bidirectional backlinks.
Local-first architecture with Supabase-powered sync and end-to-end encryption via Yjs CRDTs.
Extend functionality with a secure, sandboxed plugin system. Build your perfect workflow.
Full-text search with regex, operators (AND, OR, NOT), and instant results across your vault.
Work on multiple notes simultaneously with a tabbed interface and quick switcher.
Automated daily note creation with customizable templates and variable substitution.
Export to PDF, HTML, Markdown. Beautiful dark and light themes with system preference detection.
Enterprise-grade architecture for reliability and performance.
Recent improvements and features in Plfy.
Force-directed graph visualization on canvas with zoom, pan, and hover interactions — powered by D3.js.
UI.ts refactored from 5,000+ lines into 13 focused components with dependency injection pattern.
2,350 lines of inline CSS moved to 8 external files. Improved font rendering and contrast ratios.
Download Plfy for your platform and start building your second brain today.