Inferse
For vendors
AdvertiseTop spots, featured rows, home sponsor Get listedAdd a product we don't cover yet Claim a listingFree: verify the domain, then correct your page Vendor dashboardNumbers, orders and placements
List your platform
Vendor dashboard

Best Lean Alternatives in 2026

12 platforms from formal verification tools ranked against Lean on the same published basis.

  1. 1
    Z3 Free plan AndroidapiLinuxMacself-hosted Free7.3
    Lean vs Z3
  2. 2
    ACL2 LinuxMacself-hostedWin 6.0
    Lean vs ACL2
  3. 3
    PVS Free plan LinuxMacWin Free6.0
    Lean vs PVS
  4. 4
    Rocq Free plan extensionLinuxMacWebWin Free6.0
    Lean vs Rocq
  5. 5
    Isabelle Free plan LinuxMacself-hostedWin Free5.9
    Lean vs Isabelle
  6. 6
    SPIN Free plan LinuxMacWin Free5.9
    Lean vs SPIN
  7. 7
    UPPAAL Free plan LinuxMacWin Free5.9
    Lean vs UPPAAL
  8. 8
    Frama-C LinuxMacWin 5.8
    Lean vs Frama-C
  9. 9
    Alloy Analyzer WinMacLinux 5.5
    Lean vs Alloy Analyzer
  10. 10
    CBMC WinMacLinux 5.5
    Lean vs CBMC
  11. 11
    Dafny WinMacLinux 5.5
    Lean vs Dafny
  12. 12
    HOL Light WebWinMacLinux 5.5
    Lean vs HOL Light
Make your platform an alternative to Lean

The sponsored alternative slot on this page is labelled and never changes the order above.

See the price