# Viewsoft - Self-Hosted Drawing Engine

> A self-hosted drawing engine for PDF & CAD viewing, annotation, measurement and comparison. Full control in your environment. No vendor lock-in.

## What is Viewsoft?

Viewsoft provides a self-hosted drawing engine that software teams embed into their own applications. It is NOT a finished product or SaaS — it is technology (SDK, APIs, Components) that becomes part of YOUR platform.

## Core Technology

- **Canvas**: Self-hosted document viewer that renders PDF, CAD (DWG, DXF), and other technical formats
- **Components**: Modular building blocks (Annotation, Measurement, Compare) you combine as needed
- **APIs**: Full programmatic control to integrate with your data, authentication, and workflows

## Key Capabilities

- PDF and CAD viewing with full fidelity
- Annotation and markup tools
- Measurement and quantity takeoff
- Drawing comparison and overlay
- Real-time collaboration
- Export and print workflows

## Target Users

1. **Software Companies**: Embed drawing technology into their products (construction software, asset management, engineering platforms)
2. **Enterprises**: Build internal platforms for technical document workflows

## Pricing Model

Annual technology license with unlimited API usage. No per-user fees.

## Technical Details

- Framework-agnostic (React, Angular, Vue, Vanilla JS)
- Self-hosted on customer infrastructure (on-premises, cloud, SharePoint)
- All data stays in customer environment
- Storage: Any SQL database or JSON

## Primary File Formats

PDF, DWG, DXF, DGN, TIFF (core focus on PDF and CAD)

3D/BIM formats (IFC, STEP, glTF) are available as a separate module.

## Company

- Part of Rasterex Group (30+ years document technology)
- Based in Norway
- Website: https://www.viewsoft.com
- Documentation: https://docs.viewsoft.com
- GitHub: https://github.com/VIEWSOFT-AS

## Key Pages

- Home: https://www.viewsoft.com/
- How it Works: https://www.viewsoft.com/resources/how-it-works
- Canvas (foundation): https://www.viewsoft.com/canvas
- Use Cases: https://www.viewsoft.com/use-cases
- Customer Stories: https://www.viewsoft.com/customers
- Components:
  - Annotation: https://www.viewsoft.com/components/annotation
  - Measurement: https://www.viewsoft.com/components/measurement
  - Compare: https://www.viewsoft.com/components/compare
- File Formats: https://www.viewsoft.com/resources/file-formats
- Contact: https://www.viewsoft.com/contact
- Trial: https://www.viewsoft.com/trial

## Customer Examples

- **Kos Krebs** (Enterprise): Saves €10,000/year with embedded measurement tools
- **SmartStruct** (Software Company): Ships drawing features 3x faster with integrated technology