FlexNote is a local-first visual note-taking and knowledge management app designed for deep learning, research, and creative thinking.

Unlike traditional note apps that organize information in linear documents and folders, FlexNote lets you place cards freely on an infinite canvas, connect ideas visually, and transform your notes into dynamic mind maps.

Key features

• Infinite canvas and mind maps — Arrange cards spatially, connect related ideas, and navigate large knowledge structures.
• Local-first storage — Your data is stored on your own device and remains under your control.
• Flexible synchronization — Sync through your own WebDAV, Amazon S3, OneDrive, or other supported storage service.
• PDF annotation — Read and highlight PDFs while turning important passages into linked reference cards.
• Video notes — Create timestamped annotations for YouTube and other supported video platforms.
• Tag-based databases — Organize cards with reusable tags, properties, filters, and structured views.
• Markdown and bidirectional links — Write naturally and build connections across your knowledge base.
• Knowledge-base AI — Ask questions and work with information from your own notes.
• Web publishing — Publish a canvas as an interactive, view-only webpage.
• High-performance canvas — Work with large boards containing thousands of nodes.

FlexNote is suitable for researchers, students, writers, designers, visual thinkers, and anyone looking for a local-first alternative to tools such as Heptabase, Milanote, Logseq, and Joplin.

Use FlexNote to collect information, annotate source material, connect ideas, synthesize research, and turn complex knowledge into a clear visual structure.