See it in action
Define variables, change units on the fly, and format results exactly how you want. Every calculation updates automatically.
Word + Mathcad + Excel + Bluebeam.
One app.
LynDocs is a Word-like editor with live calculations, embedded spreadsheets, drawing markups, and structural analysis — all built in.
Change an input. Everything updates.
Web-based — Works on Mac, Windows, and any browser
Get started in minutes
- Try the demo — No signup needed
- Add calculations — Live math that updates automatically
- Embed spreadsheets — Excel-like tables, always in sync
- Annotate drawings — Markup and measure directly
- Export PDFs — Professional, print-ready output
Everything you need, built in
MathCanvas
Live calculations, just like Mathcad. Define variables, write formulas, and watch everything update automatically.
- Unit-aware: Built-in units prevent errors
- Top-to-bottom flow: Calculations run like hand calcs
- Variable explorer: See all your variables at a glance
LynSheets
Embed spreadsheets directly in your document. Edit once, and every viewport updates automatically.
- Live sync: No more copy-paste from Excel
- Multiple views: Show different parts of your sheet
- Full formulas: Excel-compatible calculations
LynMarkups
Annotate drawings directly. Add dimensions, callouts, and measurements — all at the correct scale.
- Scale-aware: Set scale for accurate measurements
- Rich annotations: Arrows, shapes, text, dimensions
- Auto-update: Changes sync across all viewports
LynBeam & LynFrame
Built-in structural analysis. Model beams and 2D frames, see results update instantly.
- LynBeam: Shear, moment, and deflection diagrams
- LynFrame: 2D frame analysis with load cases
- Linked: Connect results to your spreadsheets
Best Practice Blocks
Your best practices, always ready. Build a personal library of proven calculations — drop them into any project with one click. This is what no other tool offers.
Stop recreating the same calculations over and over. Your Best Practice Blocks library combines MathCanvas, LynSheets, LynMarkups, LynBeam — any components — into powerful reusable blocks that make every project faster.
- Import your Excel best practices: One-click import your proven spreadsheets into LynSheets — then combine with other components to build your Best Practice Blocks
- Any combination: Mix math, sheets, markups, analysis — all in one reusable block
- One-click insert: Drop entire calculation workflows into any document
- Never redo work: Build your Best Practice Blocks library once, reuse forever
Python
Run Python code directly in your documents. No external tools, no setup — just add a Python cell and start coding. Powered by Pyodide (CPython compiled to WebAssembly), it runs entirely in your browser.
- Full Python in the browser: NumPy, SciPy, SymPy, pandas, Matplotlib — all available out of the box
- Jupyter-style cells: Write code, see results instantly. Multiple cells share the same kernel
- Variable explorer: See all your Python variables at a glance in the navigation panel
- Install packages: Need a library? Install it with one click via micropip
- Plots and charts: Matplotlib figures render inline, right in your document
- Zero configuration: No Python installation needed. Works on any device, any OS
The old way vs. LynDocs
Familiar Word interface. Zero learning curve. DOCX import/export built in.
Before
Open 5+ apps
Word, Mathcad, Excel, Bluebeam, WinBeam...
Screenshot everything
Paste images into Word, one by one
Manage file versions
v2_final_FINAL_USE_THIS.docx
Input changes?
Re-do all screenshots. Hope you didn't miss any.
• Dozens of screenshots to manage
• Manual copy-paste nightmare
• Outdated images everywhere
• No version control
With LynDocs
One document
Everything lives together, stays in sync
Add MathCanvas
Live Mathcad-style calculations, inline
Embed LynSheets
Excel tables that update everywhere
Insert LynMarkups
Annotate drawings with measurements
Run LynBeam
Structural analysis, diagrams auto-update
Reuse with Best Practice Blocks
Save and insert best practice calculation blocks
Input changes?
Everything updates automatically. Done.
✓ Single source of truth
✓ Always synchronized
✓ Full version history
✓ Export to DOCX anytime
Stop screenshotting. Start living.
Real-time collaboration
Like Google Docs for engineers. Multiple people can edit simultaneously. See live cursors. Watch changes appear instantly.
- Live cursors: See where teammates are working
- Instant sync: Changes appear immediately, no refresh needed
- Zero conflicts: Automatic conflict resolution
- Full history: Track every change, restore any version
Why engineers choose LynDocs
Web-based. Cross-platform. No installation.
Web-based
No installation required
Mac & Windows
Works everywhere
Live math
Equations update automatically
Unit-aware
Built-in units prevent errors
Collaboration
Real-time editing
No install
Just open your browser
Get in touch
Questions? Feedback? We'd love to hear from you.