# Software for trades & SMEs, built in-house

> Our own software: 1x1-WorkOrderAgent for orders, accounting and e-invoicing from €49.95 a month incl. VAT, plus smart home and Audio Deck.

Source: https://1x1it.de/en/softwarelandingpage/

We write our products ourselves and keep maintaining them. Two are ready to use today, more are planned. When you call, you speak to the developer.

[Discover WorkOrderAgent](https://1x1it.de/en/workorderagent/)
View products

Software In-house development

- **Maker:** 1x1 IT-Solutions
- **Available:** 1x1-WorkOrderAgent, 1x1-Smart Home
- **Hosting:** servers in Germany
- **Customers:** businesses as defined in § 14 BGB
- **Entry price:** from €49.95 a month incl. VAT

woa.1x1it.de/auftraege

WorkOrderAgent
Orders Customers Appointments Timesheets Invoices Banking Documents

Orders New order

Open 14

In progress 6

To invoice 3

| No. | Customer | Status | Amount |
| A-2419 | Example Joinery | In progress | €1,240.00 |
| A-2418 | Sample Electrical Ltd | Accepted | €3,980.50 |
| A-2417 | Market Square Practice | E-invoice | €612.80 |
| A-2416 | North Property Management | Quote | €2,150.00 |

Recreated view with sample data. Real screenshots are in the [WorkOrderAgent wiki](https://1x1it.de/en/wiki/workorderagent/) (in German).

## 1x1-WorkOrderAgent: orders, invoices and office work in one application

Job scheduling, accounting, customer portal, appointment planning, time tracking and password vault run in one system. The software creates e-invoices and runs in the browser on any device.

- Jobs via QR code, without installing an app
- E-invoices in XRechnung format according to EN 16931
- Customer portal with digital signature
- Encrypted password vault
- Calendar sync via CalDAV
- Multiple employees, dunning, inventory and statistics

from €49.95 a month incl. VAT, 20-day free trial

[Discover WorkOrderAgent](https://1x1it.de/en/workorderagent/)
[Product brochure (PDF)](https://1x1it.de/downloads/WoA-Produktprospekt-2026.pdf)

## 1x1-Smart Home: one system for office, workshop and practice

Proven modules based on Home Assistant, for Berlin and Brandenburg. Tested in continuous operation, vendor-independent and without mandatory cloud.

[1x1-Audio Deck Music, phone, intercom and announcements in every room. Details](https://1x1it.de/en/audio-deck/)
[1x1-DVR Video recording with recording monitoring. When the system detects people, it records automatically in HD. Details](https://1x1it.de/en/homeassistant/dvr/)
[Heating control Underfloor heating room by room, predictive based on the weather forecast. Details](https://1x1it.de/en/homeassistant/heizung/)
[Network inventory Every device on the network in view, with reserved addresses. Details](https://1x1it.de/en/homeassistant/netzwerk/)
[Our own sensors Room, door and mirror sensors, developed in-house. Details](https://1x1it.de/en/homeassistant/sensoren/)
[Runs locally No mandatory subscription. Billed by time spent or as a maintenance subscription. Details](https://1x1it.de/en/homeassistant/#erprobt-h)

[View smart home](https://1x1it.de/en/homeassistant/)
[Audio Deck brochure (PDF)](https://1x1it.de/downloads/audiodeck-broschuere.pdf)

## Proven in practice: 1x1-MedCare in clinical studies

Our in-house software 1x1-MedCare analyses standardised joint ultrasound according to HEAD-US. For an international pharmaceutical group it was used in two scientific publications, with co-authorship by 1x1 IT-Solutions.

[Project in detail](https://1x1it.de/en/referenzen/#studien)

- **Use:** Clinical studies
- **Method:** HEAD-US joint ultrasound
- **Client:** International pharmaceutical group
- **Result:** Publications 2015 and 2025

## Good to know

General conditions and notes on our products. Scope of services, contract terms and conditions are on the respective product pages.

- For businesses only: Our offer is aimed exclusively at businesses as defined in § 14 BGB (German Civil Code). Only our [terms and conditions](https://1x1it.de/en/agb/) apply, in the version valid at the time the contract is concluded.
- E-invoicing: WorkOrderAgent creates e-invoices in the XRechnung XML format according to EN 16931. Since 1 January 2025 all businesses in Germany must be able to receive e-invoices. Businesses with more than €800,000 turnover in the previous year must issue e-invoices from 1 January 2027, all others from 1 January 2028 at the latest. Exemptions include small businesses under the small business scheme and invoices to private customers. [Deadlines and exemptions in detail](https://1x1it.de/en/workorderagent/e-rechnung/)
- Password vault: Stored credentials are kept with symmetric encryption.
- CalDAV sync: Two-way with all applications that support the open CalDAV protocol (RFC 4791), such as Apple Calendar, Thunderbird or DAVx⁵ on Android. Microsoft Outlook does not support CalDAV out of the box. It can be connected via add-on software such as the open-source Outlook CalDav Synchronizer, for which we accept no liability.
- In development: Industrial monitoring as a product: condition monitoring and sensor-based analysis for production environments. More on industrial monitoring on the [Industrial Monitoring](https://1x1it.de/en/industrialmonitoring/) page.

## Your own idea or a specific need?

Talk to us. An honest assessment is part of it.

[0173 644 22 17](tel:+491736442217)

[Discuss your idea](https://1x1it.de/en/kontakt/#anfrage)