Tech riderRev. 20 Sept 2026
  1. 1Runs onWindows, Mac, Linux
  2. 2CostsNot stated by the maker
  3. 3Verification methoddeductive
  4. 4Supported formalismscontracts
  5. 5CounterexamplesYes
  6. 6Input languagesJava and JML
  7. 7Deploymentself-hosted
6 lines stated Written from the maker's own pages: openjml.org
The OpenJML homepage

Overview

OpenJML is ranked #20 of 33 in formal verification tools on Specifiction. It runs on Windows, macOS, Linux.

Compared on formal verification tools

Verification method
deductiveopenjml.org
Supported formalisms
contractsopenjml.org
Counterexamples
Yesopenjml.org
Input languages
Java and JMLopenjml.org
Deployment
self-hostedopenjml.org

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Where it ranks on Specifiction

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