progFocus
From purpose
to code.
Organize your thoughts
with dev notes.
Do you jump into coding and lose your way?
progFocus helps you organize specs and architecture with "nodes" and "layers",
supporting steady implementation as a thinking tool for engineers.
Why progFocus?
Untangle complex systems with simple, powerful features.
Infinite Canvas & Layers
Place freely on a vast canvas. Group complex features into "containers" and Shift+click to drill down. See the forest while drawing the trees.
Visualize Your Thought Flow
Label arrows connecting input, process, and output with "reasons" and "data". Not just diagrams — capture the intent behind your design decisions.
Save as Markdown
Export your designs in a custom Markdown format. Manage with Git, share with your team, or reuse as documentation.
Start Designing
Works in your browser. Log in for cloud sync & link sharing.
Learn progFocus
From the design mindset to having AI write your code.
User Guide
The design approach, basic operations, saving and importing, and AI integration on one page.
Why visualize your thinking?
Why to sort out goals and structure before writing code (Tutorial Vol.1, in Japanese)
Design a quiz app
A hands-on walkthrough that maps logic into inputs, processing and outputs (Vol.4, in Japanese)
Grow your design with AI
Hand a rough design to AI and let it evolve the structure (Vol.6, in Japanese)
The tutorials are published on the takushio2525.com blog, in Japanese.