ACL2
5.6#30 in formal verification toolsLinuxmacOSSelf-hostedWindows
VisitACL2 vs Lean
What both publish
| Fact | ACL2 | Lean |
|---|---|---|
| Support | ACL2 users can get help through the acl2-help mailing list, which the site recommends to new users. | The Lean Community Zulip is described as the central hub for questions and collaboration, and Lean FRO hosts weekly technical office hours. |
ACL2 plans
No prices published.
Lean plans
- Lean 4Free
Pick ACL2 if…
It suits people working with formal models and deductive theorem proving, including in academic or industrial verification. Users should be prepared to install a Common Lisp implementation and consult the documentation for library requirements.
Pick Lean if…
Lean suits programmers, theorem provers, and mathematicians working with formalization, proof checking, or software verification. Its general coding capability and browser version may also suit users exploring Lean before choosing a local setup.