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Rocq Prover vs Dafny: catalog facts
Rocq Prover	Dafny
Best for: Researchers and students writing formally verified proofs and programs	Best for: Developers who need formally verified code for critical logic
Free Free and open source.	Free Free and open source under the MIT licence.
Windows, Command line	Windows, Command line
Machine-checked proofs for mathematics and software Extracts executable OCaml or Haskell code from specifications All 4 strengths for Rocq Prover Machine-checked proofs for mathematics and software Extracts executable OCaml or Haskell code from specifications Rocq Platform bundles the prover with common libraries Actively released, with version 9.2.0 current	Automated verification of code against specifications Compiles to C#, Java, JavaScript and Go All 4 strengths for Dafny Automated verification of code against specifications Compiles to C#, Java, JavaScript and Go Language server, formatter and IDE plugins included Extensive tutorials and reference manual
Steep learning curve for newcomers to formal proof Name change from Coq means older material uses the old name	Writing specifications takes extra effort and a learning curve Python compilation still in progress
Downloadable app	Downloadable app
Open source	Open source
License: LGPL-2.1	License: MIT
No account needed	No account needed
Offline features available	Offline features available
Official website Full listing and sources Sources for Rocq Prover rocq-prover.org Catalog checked October 2, 2026	Official website Full listing and sources Sources for Dafny dafny-lang.github.io/dafny Catalog checked October 2, 2026

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