Frama-C vs OpenJML

Frama-C

6.4 #19 in Formal Verification Tools

About Frama-C

OpenJML

5.9 #26 in Formal Verification Tools

About OpenJML
Frama-COpenJML
Free planNoYes
Free trialNoNo
Paid from—Free
Open sourceNoNo
PlatformsLinux, macOS, Windowsapi, extension, Linux, macOS, Windows
Free planYes—
Verification methodhybriddeductive
Supported formalismscontractscontracts
CounterexamplesYesYes
Input languagesC, ACSLJava and JML
Deploymentself-hostedself-hosted

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