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Best HOL4 Alternatives in 2026

12 platforms from formal verification tools ranked against HOL4 on the same published basis.

  1. 1
    PVS Free plan LinuxMacWin Free7.4
    HOL4 vs PVS
  2. 2
    Rocq Free plan extensionLinuxMacWebWin Free7.2
    HOL4 vs Rocq
  3. 3
    UPPAAL Free plan LinuxMacWin Free7.2
    HOL4 vs UPPAAL
  4. 4
    Alloy Analyzer Free plan apiLinuxMacWin Free7.1
    HOL4 vs Alloy Analyzer
  5. 5
    Z3 Free plan AndroidapiLinuxMacself-hosted Free7.1
    HOL4 vs Z3
  6. 6
    Isabelle Free plan LinuxMacself-hostedWin Free6.9
    HOL4 vs Isabelle
  7. 7
    SPIN Free plan LinuxMacWin Free6.9
    HOL4 vs SPIN
  8. 8
    ACL2 LinuxMacself-hostedWin 6.6
    HOL4 vs ACL2
  9. 9
    Frama-C LinuxMacWin 6.4
    HOL4 vs Frama-C
  10. 10
    CPAchecker WinMacLinux 6.1
    HOL4 vs CPAchecker
  11. 11
    Lean WebWinMacLinux 6.1
    HOL4 vs Lean
  12. 12
    Viper WinMacLinux 6.1
    HOL4 vs Viper
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