Stainless
5.8#25 in formal verification toolsLinuxmacOSWindows
VisitStainless vs Why3
What both publish
| Fact | Stainless | Why3 |
|---|---|---|
| Installation | Stainless can be installed from a standalone release, through Snap or the Arch User Repository, built from source, or used as an sbt plugin. | Why3 can be installed via Opam, run from a Docker image, or compiled from source. |
| License | The repository states that Stainless is released under the Apache 2.0 license. | TryWhy3 is distributed under the GNU Lesser General Public License version 2.1 with a special linking exception. |
| Purpose | Stainless is a verification framework and tool for a subset of the Scala programming language. | Why3 is a platform for deductive program verification that uses WhyML and external theorem provers to discharge verification conditions. |
Stainless plans
No prices published.
Why3 plans
- Why3Free
Pick Stainless if…
You want what its maker publishes above — check its page for the details.
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.