Digital tools that make everyday work easier.
Programs for calculation, work preparation, cutting lists and personal finances – developed independently, clearly explained and backed by personal support from Graubünden.
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Programs at a glance
Choose the tool that fits your needs first. Detailed information, functions, licence terms and purchase options are available directly below.
🧮 Hemmi Calculator
Calculation, quotations and work preparation for smaller businesses.
📐 Panel Optimization
Cutting planning with a clear graphical overview for workshop and work preparation.
🚪 Frame-door material calculation
Automatically calculate cutting lists and material quantities for frame doors.
🚪 Lining-door cutting list
A quick cutting list as a practical basis for lining doors.
🚀 Calculator + Panel Optimizer
Both annual licences as a coordinated bundle with a price advantage.
Why customers trust Hemmi Software
Practical software from Switzerland – developed for craftsmen, joiners and small businesses.
🏆 Most popular combination
🚀 Calculator + Panel Optimizer
Both programs as an annual licence bundle. Ideal for joiners, workshops and small businesses.
You save CHF 30.– compared with buying both separately.
- ✓ Immediate download after purchase
- ✓ Swiss development
- ✓ Direct support by email
- ✓ Ideal for joiners, craftspeople and SMEs
Finances for private households
Manage income, expenses and savings clearly.
Introductory price · perpetual licence
🏠 Household Finances
Keep a clear view of your personal finances. Household Finances shows where your money was spent, how fixed and variable costs develop and how much remains in the selected period.
- Record income, fixed costs and variable expenses clearly
- Analyses with charts and freely selectable periods
- Save PDF reports and open Excel reports
- Local data storage with backup and restore
- No cloud and no subscription – your financial data stays on your computer
Perpetual single licence for one private Windows PC.
After purchase, the download link and licence code are sent automatically by email.
PDF export works without additional software. Microsoft Excel is required only for Excel export.
⚠️ Note: Windows may show a security warning when starting the installation. This is normal because the software is not digitally signed. The application has been carefully developed and tested.
Short product preview. Click the video to view it larger with sound.
Custom solutions
Do you have an idea for your business?
Many daily workflows can be simplified with a custom Excel application or an individual software solution. Take a look at the products in my shop. If you find an application that could also be useful for your business, I would be happy to develop a solution tailored to your specific requirements.
Especially for smaller applications, lean and practical solutions can often be implemented. In a personal discussion, we clarify the right scope and which solution truly fits your business.
Your idea can become a practical tool for your business – and perhaps even a solution that helps other craftsmen and companies as well.
Practical software for joiners, craftsmen and small businesses.
Simply contact me through the contact form or by phone at +41 79 278 35 00. Together we can discuss your requirements and find the most suitable solution for your business.
Send an idea or request via the contact formPrograms for calculation and work preparation
🧮 Hemmi Kalkulator · 📐 Panel Optimization
Calculation, quotations & work preparation for SMEs
🧮 Hemmi Kalkulator
The calculator helps you calculate materials, surcharges, overhead costs, discounts, cash discounts and project prices clearly. Developed for small businesses, craftspeople and self-employed professionals who want to create transparent and professional quotations.
- Test free for 30 days
- Purchase calculation, quotation basis and work preparation in one program
- Suitable for small businesses, craftsmen and self-employed professionals
- Calculate material and purchase prices clearly
- Include overhead costs, risk, profit, discount and cash discount
- Document calculations transparently
- Ideal for getting started with structured project and quotation calculation
- Test free for 30 days – then activate the annual licence
⚠️ Important note on calculation
The Hemmi Calculator supports transparent and understandable price calculation. To keep results market-oriented and economically sound, the stored business values must be reviewed regularly.
- Record overhead costs realistically and keep them up to date
- Set risk and profit surcharges consciously
- Review material, labour, machine and operating costs regularly
- Compare calculated selling prices with the current market situation
The calculator works with the values you enter. It supports price setting but does not replace entrepreneurial responsibility for market-appropriate selling prices.
After purchase, you automatically receive an email with the download link and licence code. The annual term starts only with the first activation.
Test the full version for 30 days⚠️ Note: Windows may show a security warning when starting the installation. This is normal because the software is not digitally signed. The application has been carefully developed and tested.
Short program preview. Click the video to watch the complete version with sound.
Test material purchase calculation
This mini calculator shows in simplified form how the material purchase calculation in the Hemmi Calculator works – including input tax, discount, cash discount and procurement costs.
Mini version for testing the calculation logic.
Free download⚠️ Note: Windows may display a security warning when installation starts. This is normal because the software is not digitally signed. The application has been carefully developed, tested and contains no malware.
Full version: incl. work calculation & quotations
⚡ Online demo
Cutting optimization for joiners and craftspeople
📐 Panel Optimization
A practical tool for panel cutting, work preparation and workshop planning: enter the panel format and parts, then create a clear graphical cutting layout with parts list, PDF export and print preview.
- Enter panel format, trim and saw blade width precisely
- Manage parts with description, quantity and grain direction
- Calculate several panels automatically and switch between views
- Graphical cutting layout with print preview and PDF export
- Save project files and reopen them later
After purchase, you automatically receive an email with the order number, licence code and personal retrieval code. You then open the download securely via “Retrieve order”. The annual term starts only with the first activation.
⚠️ Note: Windows may display a security warning when installation starts. This is normal because the software is not digitally signed. The application has been carefully developed and tested.
Short product preview. Click the video to view it larger with sound.
Programs for joiners and wood lists
🚪 Material calculation for frame doors · 🚪 Lining-door cutting list
Wood lists & ordering basis for frame doors
🚪 Material calculation for frame doors
The frame-door material calculation helps joiners and craftsmen plan frame doors clearly. After entering the required number of doors, the required materials are calculated automatically and displayed in a structured way.
- Calculation of frame timber and panel material
- Planning basis for silicone, compriband and rubber seals
- Clear wood lists for work preparation and material ordering
- Enter wall opening dimensions and get a finished wood list and material quantities in one step
After purchase, you automatically receive an email with the order number, licence code and personal retrieval code. You then open the download securely via “Retrieve order”.
Note: Microsoft Excel must be installed to use this program.
⚠️ Note: Windows may show a security warning when starting the installation. This is normal because the software is not digitally signed. The application has been carefully developed and tested.
📘 View the program in detail
Browse through the most important calculation and evaluation pages of the frame-door material calculation.
Digital cutting list for joiners & craftspeople
🚪 Lining-door cutting list
Would you like to create a complete cutting list for a lining door quickly and accurately? With this small program, simply enter the rough wall opening dimensions – the cutting list is calculated immediately.
- Lining-door trims either butt-jointed or mitred
- Enter rough wall opening dimensions and generate the cutting list automatically
- Practical tool for cutting, material overview and work preparation
- Less typing, fewer calculation errors, faster to the finished list
This practical program can be yours for only CHF 30.00.
After purchase, you automatically receive an email with the order number, licence code and personal retrieval code. You then open the download securely via “Retrieve order”. The licence is valid without time limit.
Note: Microsoft Excel must be installed.
⚠️ Note: Windows may show a security warning when starting the installation. This is normal because the software is not digitally signed. The application has been carefully developed and tested.
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