OpenProjectvs
Stackfield
Both score similarly on sovereignty (86 vs 86). The right choice depends on the details below – open source, self-hosting, pricing and focus.
Score comparison
| OpenProject | Stackfield | |
|---|---|---|
| Sovereignty | 86 | 86 |
| Privacy | 82 | 90 |
| Open Source | 95 | 10 |
| Business fit | 86 | 80 |
| Migration ease | 65 | 60 |
| Pricing transparency | 84 | 76 |
| Enterprise readiness | 86 | 80 |
Features & facts
| OpenProject | Stackfield | |
|---|---|---|
| Country | Germany | Germany |
| Open Source | Yes | No |
| Self-Hosting | Yes | No |
| Cloud/SaaS | Yes | Yes |
| EU data residency | Yes | Yes |
| DPA / AV-Vertrag | Yes | Yes |
| ISO 27001 | Yes | Yes |
| Data location | EU (AWS Ireland); German hosting on request | Germany |
| From | 0 € / Monat | 13 € / Monat |
| Founded | 2012 | 2012 |
OpenProject
Germany
German open-source project management for classic, agile and hybrid teams – available as cloud or self-hosted.
Strengths
- Open source with self-hosting and a free Community Edition
- Broad project management feature set including tasks, Gantt, boards, roadmaps and time tracking
- DPA and public subprocessor list available
- EU cloud hosting; German hosting available on request
Weaknesses
- Default cloud setup uses AWS Ireland rather than a purely European hyperscaler
- Enterprise features and professional support are paid
- Can be more complex than lightweight Kanban tools

Stackfield
Germany
Secure German project-management and collaboration suite with German data location, end-to-end encryption and ISO/BSI-C5 certification.
Strengths
- Servers located in Germany, GDPR-compliant
- End-to-end encryption of chats, tasks and files
- Certified to ISO 27001/27017/27018 and BSI C5
- All-in-one: projects, chat, video and documents in one tool
Weaknesses
- Not open source, no standard self-hosting
- Smaller integration ecosystem than large US providers
Choose OpenProject if…
- Organizations that care about sovereignty and data control
- Teams replacing Jira or Asana with a self-hostable option
- Public sector, education, research and regulated companies
Choose Stackfield if…
- Teams with high privacy and security requirements
- Companies that want to bundle projects and communication in a GDPR-oriented way
Scores are editorial orientation, not legal advice. Details are based on public provider information and are not independently verified.