HOL Light vs TLA+
| HOL Light | TLA+ | |
|---|---|---|
| Free plan | Yes | |
| Free trial | No | |
| Paid from | Free | |
| Platforms | Linux, macOS, self-hosted, Web, Windows | extension, Linux, macOS, Windows |
| Free plan | Yes | |
| Verification method | deductive | hybrid |
| Supported formalisms | theorem-proving | invariants |
| Input languages | OCaml; higher-order logic | TLA+ and PlusCal |
| Deployment | self-hosted | both |
| Counterexamples | Yes |
Listed together in Best Formal Verification Tools