OpenProject vs Slite
Both OpenProject and Slite are European-built, GDPR-compliant solutions in the team collaboration space. This comparison breaks down their features, pricing, compliance posture, and data residency so you can make an informed choice for your team.
Quick Overview
OpenProject
EU- Headquarters
- Berlin, DE
- Pricing
- Free
- Open Source
- Yes
Slite
EU- Headquarters
- Paris, FR
- Pricing
- Free
- Open Source
- No
Key Differences
- OpenProject offers a free tier, while slite offers a free tier. The different pricing models mean you should evaluate which approach better fits your usage pattern.
- OpenProject is open source, meaning you can audit the code, self-host, and avoid vendor lock-in. Slite is proprietary, which often means a more polished out-of-the-box experience and dedicated support, but less flexibility for customisation.
- Data residency differs: OpenProject hosts data in Germany, EU, while Slite hosts in EU. If your organisation requires data to stay in a specific EU country, this distinction matters for compliance.
- OpenProject was founded in 2012, giving it a 5-year head start over Slite (founded 2017). More time in market often means a larger user community and more mature integrations, though newer entrants may offer more modern architectures.
- Each product has unique strengths: OpenProject offers Gantt charts and work packages and Agile boards (Scrum and Kanban), while Slite provides AI-powered search and Collaborative docs. Your choice depends on which capabilities matter most for your workflow.
Feature Comparison
| Feature | OpenProject | Slite |
|---|---|---|
| Name | OpenProject | Slite |
| Pricing | Free | Free |
| Free Tier | ||
| GDPR | ||
| ISO 27001 | ||
| Open Source | ||
| Headquarters | Berlin, DE | Paris, FR |
| Data Centers | DE, EU | EU |
| Gantt charts and work packages | ||
| Agile boards (Scrum and Kanban) | ||
| Time and cost tracking | ||
| Resource management | ||
| Document management | ||
| Built-in wiki | ||
| Meeting management | ||
| BIM support | ||
| REST API | ||
| Self-hosting option | ||
| AI-powered search | ||
| Collaborative docs | ||
| Templates | ||
| Channels | ||
| Ask feature | ||
| Collections | ||
| Integrations | ||
| Version history | ||
| Comments |
Pricing Comparison
OpenProject
Freefree / enterprise
Slite
Freefreemium
Compliance Comparison
OpenProject
GDPRDPA
Slite
GDPRDPA
Get Started
Categories
How to Choose
You need code transparency or self-hosting
Choose OpenProject
You want a fully managed, turnkey solution
Choose Slite
You need enterprise-grade support and stability
Choose OpenProject
You prefer a nimble provider with personalised support
Choose Slite
OpenProject vs Slite — FAQ
What is the main difference between OpenProject and Slite?
Both OpenProject and Slite are European team collaboration solutions with full GDPR compliance. The key differences lie in their approach: OpenProject is open source while Slite is proprietary, and OpenProject uses free / enterprise pricing while Slite uses freemium. OpenProject is headquartered in Berlin, Germany, while Slite is based in Paris, France. Your choice should depend on your specific requirements for features, pricing, and data residency.
Which is more affordable, OpenProject or Slite?
Both OpenProject and Slite offer free tiers, so you can try either without cost. Pricing models differ (free / enterprise vs. freemium), so compare based on your usage pattern rather than just the starting price.
Are both OpenProject and Slite GDPR compliant?
Yes. Both OpenProject and Slite are European companies that store data within the EU/EEA and offer Data Processing Agreements. Neither is subject to the US CLOUD Act or FISA surveillance. For GDPR purposes, either option eliminates the legal risks associated with using US-based services.