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Best HOL4 Alternatives in 2026

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

  1. 1
    Z3 Free plan AndroidapiLinuxMacself-hosted Free7.8
    HOL4 vs Z3
  2. 2
    ACL2 LinuxMacself-hostedWin 6.4
    HOL4 vs ACL2
  3. 3
    PVS Free plan LinuxMacWin Free6.4
    HOL4 vs PVS
  4. 4
    Rocq Free plan extensionLinuxMacWebWin Free6.4
    HOL4 vs Rocq
  5. 5
    Isabelle Free plan LinuxMacself-hostedWin Free6.3
    HOL4 vs Isabelle
  6. 6
    SPIN Free plan LinuxMacWin Free6.3
    HOL4 vs SPIN
  7. 7
    UPPAAL Free plan LinuxMacWin Free6.3
    HOL4 vs UPPAAL
  8. 8
    Frama-C LinuxMacWin 6.2
    HOL4 vs Frama-C
  9. 9
    Alloy Analyzer Free plan apiLinuxMacWin Free5.9
    HOL4 vs Alloy Analyzer
  10. 10
    CBMC WinMacLinux 5.9
    HOL4 vs CBMC
  11. 11
    Dafny WinMacLinux 5.9
    HOL4 vs Dafny
  12. 13
    K Framework LinuxMac 5.9
    HOL4 vs K Framework
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