Pricing
Not listed
Official monthly price not confirmed
- API
- Not confirmed
OpenJML
● Identity checkedCode · Vendor site 2026-10-04
OpenJML is a toolset for specifying and verifying Java and JVM programs using JML annotations and SMT-based checking. The project homepage asks whether your program does what it is supposed to do and documents OpenJML as practical formal methods tooling for Java developers.
- Category
- Code
- Free access
- Not confirmed
- API access
- Not confirmed
Is OpenJML right for you?
A good fit for
Engineers who need design-by-contract style specifications and automated reasoning checks on Java codebases.
Before you choose
Verification depth depends on annotations and solver support; the site focuses on research tooling rather than a hosted SaaS editor.
Java verification tooling
OpenJML targets developers who annotate Java programs with JML and use automated tools to check behavioral properties.
What it can do
Features & capabilities
Unknown is different from unavailable. Each fact carries its own evidence.
| Capability | Value | Evidence | Checked |
|---|---|---|---|
| Formal verification | Homepage headline centers on proving programs meet their specifications. | Facts sourced | 2026-10-04 |
| JML-based workflow | Site presents OpenJML as JML-powered reasoning for Java and JVM languages. | Facts sourced | 2026-10-04 |
Understand the total cost
OpenJML pricing & plans
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Explore toolThe practical questions
Frequently asked questions
What is OpenJML used for?
OpenJML is a toolset for specifying and verifying Java and JVM programs using JML annotations and SMT-based checking. The project homepage asks whether your program does what it is supposed to do and documents OpenJML as practical formal methods tooling for Java developers.
Does OpenJML have a free plan?
Not confirmed. This record does not confirm an ongoing free plan.
How much does OpenJML cost?
A listed monthly price has not been confirmed. See the plan cards for entitlements, billing commitments and seat minimums.
Can I use OpenJML through an API?
Not confirmed. API access and subscription access may have different terms; consult the linked sources.
What should I check before choosing it?
Verification depth depends on annotations and solver support; the site focuses on research tooling rather than a hosted SaaS editor.
Price history
No retained pricing changes yet. A current price alone does not establish a historical trend.
How this profile is supported
Identity and profile
Reviewed vendor source
Read original source ↗Facts apply to the named version and check date. Send a sourced correction if something changed.