Isabelle
6.1#11 in formal verification toolsFree planFree planLinuxmacOSSelf-hostedWindows
VisitIsabelle vs Why3
What both publish
| Fact | Isabelle | Why3 |
|---|---|---|
| Support | Support is available through official documentation, the isabelle-users and isabelle-dev mailing lists, Zulip, and Q&A sites listed by the project. | The project provides a user mailing list, a Zulip chat, and a bug tracking system. |
Isabelle plans
- IsabelleFree
Why3 plans
- Why3Free
Pick Isabelle if…
Isabelle suits people formalizing mathematical proofs or checking properties of software, hardware, programming languages, and protocols. It is also suited to large applications that need a higher-order logic theorem-proving environment.
Pick Why3 if…
Why3 suits developers and researchers working on deductive verification with contracts and WhyML. It may also fit users who need to connect external provers or use its OCaml API.