LeanFlow is a lean manufacturing kanban board built for the shop floor. Track work orders, monitor WIP limits, log downtime events, and identify bottlenecks — all from your browser.
How to use:
• Click + New Order to create work orders
• Click + Downtime to log machine downtime
• Drag cards between stations or use arrow buttons
• Click a station name to rename it
• Use Ctrl+N (new order) or Ctrl+D (downtime)
⚠ Log Downtime Event
⏱ Takt Time Setup
Enter your shift's demand and available hours. LeanFlow will calculate your takt time and show whether you're on pace.
📋 Shift Handover Notes
📊 Shift Summary
? Help & Guide
Getting Started
Click + New Order to create a work order. Give it a title, part number, quantity, priority, and assign it to a station.
Drag cards between station columns to move work through your flow, or use the ◀ ▶ arrow buttons on each card.
Click any station name (e.g. "CUTTING") to rename it to match your actual shop floor layout.
Station Focus View
Use the VIEW tabs to focus on a single station. For example, if you're at the Assembly bench, click Assembly to expand that column and dim the rest. Click All Stations to see the full board.
Manufacturing Features
⏱ TaktSet your daily demand and shift hours. LeanFlow calculates takt time and shows whether you're ahead, on pace, or behind.
+ DowntimeLog machine downtime events. Active downtime shows as red cards and triggers the Andon alert banner. Click ✓ Resolve when fixed.
📋 Shift NotesWrite handover notes for the next shift. Notes are timestamped and visible to incoming operators.
📊 SummaryGenerate a shift snapshot showing jobs, cycle times, downtime, WIP violations, and takt pace. Copy it to clipboard to share.
Keyboard Shortcuts
Ctrl + NNew work order
Ctrl + DLog downtime event
EscapeClose any open modal
Visual Alerts
A red banner appears when WIP limits are exceeded or downtime is active. An amber banner appears for aging jobs or falling behind takt pace. The banner disappears automatically when all issues are resolved.
Chrome Extension
LeanFlow is also available as a free Chrome extension for one-click access from your browser toolbar. Same features, same data — just faster to open. Install it from the Chrome Web Store.
Tip: LeanFlow stores everything locally in your browser. Your data stays on your device and is never sent to any server.
LEANFLOW