Instead of Rocq
Rocq alternatives
Rocq is an interactive proof assistant for mathematical proofs, formal specifications, and programs whose correctness must be proved. Its Gallina language supports specification and mathematics, while interactive methods, decision procedures, and tactics help build proofs. A relatively small kernel checks proofs, and certified programs can be extracted to OCaml, Haskell, or Scheme. Rocq is free and runs on Windows, macOS, and Linux, though Linux installation uses platform scripts rather than a binary installer. It also has editor integrations and a Docker image.
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Lean
Free plan LinuxMacWeb+1Formal mathematics and verified code with Lean’s tooling — Lean adds general-purpose functional programming, the Grind automation tool, and Lake project management alongside theorem proving.
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Z3
Free plan AndroidAPILinux+4SMT-based software verification and analysis — Z3 centers on SMT-LIB solving and language APIs, rather than Rocq’s interactive Gallina proofs and certified program extraction.
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Boogie
Free plan LinuxMacWindowsBuilding program verifiers for other languages — Boogie models programs and generates verification conditions for an SMT solver instead of serving as Rocq’s interactive proof assistant.
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cvc5
Free plan APILinuxMac+3Automatic SMT solving and function synthesis — cvc5 adds automatic SMT solving and SyGuS function synthesis, while Rocq centers on interactive proofs and certified program extraction.
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HOL4
Free plan LinuxMacSelf-hosted+1Higher-order logic with deduction and property checking — HOL4 focuses on higher-order logic and combines deduction, execution, and property checking in an interactive environment.
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PVS
Free plan LinuxMacWindowsFormal specification and verification in an integrated environment — PVS combines specification, type checking, interactive proving, symbolic model checking, and random testing in one environment.
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Why3
Free plan APILinuxSelf-hosted+2Deductive verification of programs across languages — Why3 uses WhyML and external provers to discharge verification conditions, and can extract WhyML programs to OCaml.
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F*
Free plan LinuxMacSelf-hosted+1 - 9
ACL2
Free plan LinuxMacSelf-hosted+1 - 10
Agda
Free plan ExtensionLinuxMac+3 - 11
Isabelle
Free plan LinuxMacSelf-hosted+1 - 12
OpenJML
Free plan APIExtensionLinux+2 - 13
Apalache
Free plan APILinuxSelf-hosted - 14
Dafny
Free plan LinuxMacSelf-hosted+1 - 15
NuSMV
Free plan LinuxMacWindows - 16
HOL Light
Free plan LinuxMacSelf-hosted+2 - 17
K Framework
Free plan APILinuxMac+1 - 18
PRISM
Free plan LinuxMacWindows - 19
Frama-C
Free plan LinuxMacWindows - 20
TLA+
Free plan ExtensionLinuxMac+1 - 21
VeriFast
Free plan ExtensionLinuxMac+1 - 22
SPIN
Free plan LinuxMacWindows - 23
UPPAAL
Free plan LinuxMacWindows - 24
Stainless
Free plan LinuxMacWindows
Alternatives differ in the kind of verification they center on. Some focus on SMT solving or on generating verification conditions for other solvers; others offer an interactive proof environment or a platform for checking programs written in a dedicated language. When switching, weigh whether you need general mathematical formalization, program verification, synthesis, or a particular input format. Also consider the required solver or compiler, editor workflow, and whether you prefer an integrated assistant or a tool that delegates proof obligations to other provers.