Side by side
Avolution ABACUS vs Orbus iServer
Both stand on enterprise architecture software. Which one you can start free with, which one lets you read the code, and what each costs once you pay.
Paid WebWindowsOn_premise
Visit Avolution ABACUS Paid Self-hostedWebWindows
Choose iServer if your organization needs an enterprise architecture repository, supports the listed frameworks, and values on-premises deployment or Microsoft integrations. Organizations considering self-hosted use should account for the subscription-only support arrangement that began in January 2026.
Visit Orbus iServerThe facts
| Avolution ABACUS | Orbus iServer | |
|---|---|---|
| Free plan | Not published | Not published |
| Open source | Not published | Not published |
| Runs on | Web, Windows, On_premise | Self-hosted, Web, Windows |
| Lowest paid plan | Not published | Free or on request |
| Plans published | None | 1 |
| Maker | Avolution | Not published |
| Website | avolutionsoftware.com | orbussoftware.com |
| On enterprise architecture software | #12 of 20 | #8 of 20 |
Avolution ABACUS: what it does well
Orbus iServer: what it does well
- Supports TOGAF 9.1 and ArchiMate frameworks.
- Teams collaborate in a central repository for models and documentation.
- Users can adapt the metamodel through the interface.
- Impact analysis and component version management support architecture governance.
- Reports can be produced in Word, Excel, PDF, HTML, and XML.
What to know first
- Pricing is available on request.
- Self-hosted support since January 2026 is limited to subscription license holders.
- Hosting service ended December 31, 2024.
- Perpetual-license maintenance ended December 31, 2025.
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