Lean
6.9#1 in formal verification toolsFree planFree planWebLinuxmacOSWindows
VisitLean vs PRISM
What both publish
| Fact | Lean | PRISM |
|---|---|---|
| Support | The Lean Community Zulip is described as the central hub for questions and collaboration, and Lean FRO hosts weekly technical office hours. | The project directs users to its FAQ and manual, and invites other questions, feedback, bug reports, and feature requests through its forum or GitHub issue tracker. |
Lean plans
- Lean 4Free
PRISM plans
- PRISMFree
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.
Pick PRISM if…
PRISM suits people formally modelling and analyzing systems with probabilistic behavior, including those working with the supported model types and specification languages. It is available for Linux, Windows, and macOS.