Simple customer register for Windows and Linux.
Customer Register Software Made Simple
Store and organize client data with ease. Send emails, manage custom fields, track statistics, attach files, and set reminders — all in one streamlined solution.

Features
InventoryManager 3 integrates a range of useful features into a single application.
Reminders
Set up important deadlines
AI Assistant
Integrated GPT functions help to generate text and answer questions.
Easy Searching
Rich filtering and searching capabilities.
Networking
Client-server network solution for workstations.
Customizable
Expandable data fields, customizable printouts.
Exportable
All data tables can be exported to several formats.
Find the ideal license for you
Solo
$4
per month (billed annually)
For single workstation.
Standard
$7
per month (billed annually)
For 3 workstations.
Pro
$11
per month (billed annually)
For 5 workstations.
Custom
Do you need license for more workstations? We have a special offer for you.
Licenses include
- Customer management
- AI Assistant
- E-mail sending
- Statistics module
- Deadline module
- Customer service
Download and try CustomerRegister 3
For all 64 bit Windows versions.
Our installers are safe and digitally signed, however, it is possible that your browser and Windows may display security warnings. If you download the installer from our website, you can ignore these warnings.
For 64 bit Linux systems (tested on Ubuntu). Requires user-level Linux knowledge.
After downloading, you need to set the execution rights for the installation file. Right-click on the file, then select the Settings menu, and there allow the file to be executed.
The installer need to be executed from the terminal as root. (With sudo.)
About CustomerRegister 3
CustomerRegister 3 is a simple, network-ready customer management app for Windows and Linux. It brings your client data, emails, reminders, attachments, and customizable fields into one streamlined workspace—so your team can stay organized without the complexity of a full CRM.
What CustomerRegister 3 does for you
- Centralized customer records: Store contacts, addresses, categories, notes, and full interaction history in one place.
- Email sending with templates: Send personalized emails and newsletters directly from the app using reusable templates.
- Reminders and deadlines: Set follow‑ups, renewals, and task due dates, and see what’s coming up at a glance.
- Networking (client–server): Connect multiple workstations to the same database so everyone works with the latest information.
- Customizable fields and printouts: Add your own data fields and tailor print layouts with your logo and branding.
- Easy search and filters: Find customers, segments, and saved lists quickly with rich filtering.
- File attachments: Attach photos, PDFs, contracts, and other documents to customer records.
- Statistics and insights: View basic stats and charts to understand activity, segments, and trends.
- Data export: Export tables to XLS, CSV, PDF, or TXT for sharing or analysis.
- Built‑in AI assistant: Use integrated GPT features to draft emails, summarize notes, and generate text.
Why teams choose CustomerRegister 3
- Team work: Scales from a single PC to several workstations easily.
- Simple and focused: Clear, lightweight workflow focused on customers and communication
- Tailored to your needs: Flexible customization without overwhelming features
- Professional image: Professional documents that build trust with clients.
System requirements
Operation system
- Windows 11 (64 bit)
- Windows 10 (64 bit)
- Windows 8 (64 bit)
- Windows 7 (64 bit)
- Windows Xp (64 bit)
- Linux (64 bit)
Screen resolution
Minimum 1024 x 768
Free storage space
1 GByte + database size
Free memory
1 GByte
Power requirement
- Standalone mode: 2 GHz CPU
- Server mode: 2 x 2 GHz CPU
(multiple workstations)
Network
- Minimal bandwidth: 1 MBit/s
- TCP/IP connection is needed between the server and the client machine