OpenJML vs Rocq

OpenJML

5.9 #26 in Formal Verification Tools

About OpenJML

Rocq

7.2 #3 in Formal Verification Tools

About Rocq
OpenJMLRocq
Free planYesYes
Free trialNoNo
Paid fromFreeFree
Open sourceNoNo
Platformsapi, extension, Linux, macOS, Windowsextension, Linux, macOS, Web, Windows
Verification methoddeductivedeductive
Supported formalismscontractstheorem-proving
CounterexamplesYes—
Input languagesJava and JMLGallina and Rocq vernacular
Deploymentself-hostedself-hosted
Free plan—Yes
Proof artifacts—Yes

Both are listed in Best Formal Verification Tools. On The Geeks Club, Rocq scores higher on our published basis.