Nebula vs OpenBao: Which Should You Choose in 2026?
Choosing between Nebula and OpenBao comes down to understanding what each tool does best. This comparison breaks down the key differences so you can make an informed decision based on your specific needs, not marketing claims.
Short on time? Here's the quick answer
We've tested both tools. Here's who should pick what:
Nebula
Scalable overlay networking tool
Best for you if:
- • You want the higher-rated option (8.2/10 vs 0.0/10)
- • You need vpn features specifically
- • Nebula is an open-source overlay networking tool for secure connectivity
- • It creates encrypted mesh networks between hosts across any infrastructure
OpenBao
Securely manage, store, and distribute sensitive data, secrets, certificates, and keys.
Best for you if:
- • You need encryption features specifically
- • Manages and stores sensitive data like secrets, certificates, and keys.
- • Provides dynamic secret generation, data encryption, and identity-based access.
| At a Glance |  Nebula | |
|---|---|---|
Price | Free | Free |
Best For | VPN | Encryption |
Rating | 82/100 | —/100 |
| Feature | Nebula | OpenBao |
|---|---|---|
| Pricing Model | Free | Free |
| Editorial Score | 82 | — |
| Community Rating | No ratings yet | No ratings yet |
| Total Reviews | 0 | 0 |
| Community Upvotes | 0 | 0 |
| Categories | VPNEncryption | EncryptionIdentity & Access |
Understanding the Differences
Both Nebula and OpenBao solve similar problems, but they approach them differently.Nebula positions itself as "scalable overlay networking tool" while OpenBaofocuses on "securely manage, store, and distribute sensitive data, secrets, certificates, and keys.". These differences matter depending on what you're trying to accomplish.
When to Choose Nebula
Nebula makes sense if you're looking for a completely free solution. With a score of 82/100, it's our top pick in this comparison.
When to Choose OpenBao
OpenBao is worth considering if you need a free tool.
Who Should Use What?
Bootstrapped or small team?
When every dollar counts, Nebula lets you get started without pulling out your credit card.
We'd pick: Nebula
Growing fast?
Your team doubled last quarter and you need tools that won't break when you add 50 more people. Nebula handles scale better in our testing.
We'd pick: Nebula
Enterprise with complex needs?
You need SSO, compliance certifications, and a support team that picks up the phone. Both have enterprise tiers—compare their security features.
We'd pick: Nebula
Still not sure? Answer these 3 questions
How much can you spend?
Nothing at all? Nebula is completely free.
Do you care what other users think?
Both have similar review counts. Read a few before you commit.
Expert opinion or crowd wisdom?
Our team rated Nebula higher (82/100). But the community has upvoted OpenBao more (0 votes). Pick your source of truth.
Key Takeaways
What Nebula Does Better
- Higher overall score (82/100)
- Our recommendation for most use cases
Consider OpenBao If
- You need a completely free solution
- Its specific features better match your workflow
- You prefer its interface or design approach
The Bottom Line
If we had to pick one, we'd go with Nebula (82/100). But the honest answer is that "better" depends on your situation. Nebula scores higher in our analysis, but OpenBao might be the right choice if its specific strengths align with what you need most. Take advantage of free trials to test both before committing.
Frequently Asked Questions
Is Nebula or OpenBao better?
Based on our analysis, Nebula scores higher with 82/100. Nebula isfree while OpenBao is free. The best choice depends on your specific needs and budget. We recommend testing both with free trials if available.
Can I switch from Nebula to OpenBao easily?
Migration difficulty varies. Check if both tools support data export/import in compatible formats. Some tools offer migration assistance or have integration partners who can help with the transition.
Do Nebula and OpenBao offer free trials?
Most software in this category offers free trials or free tiers. Nebula is completely free.OpenBao is completely free. Visit their websites for current trial offers.