16.9
Lean is a free, open-source programming language and proof assistant for formalizing mathematics, verifying software, and writing general-purpose code.
Free planWebLinuxmacOS
Alternatives to Prusti
26.9
Rocq is a free interactive theorem prover and proof assistant for developing mathematical proofs, formal specifications, and programs, including…
Free planWebExtensionLinux
36.8
cvc5 is a free, open-source automatic theorem prover for satisfiability modulo theories problems.
Free planWebAPILinux
- 46.8Free plan
- 5
PVS
PVS is a mechanized environment for formal specification and verification.
Free planLinuxmacOSWindows6.6Free plan - 6
Z3
Z3 is a theorem prover and satisfiability modulo theories (SMT) solver used in software verification and analysis.
Free planAndroidWebAPILinux6.6Free plan - 7
HOL4
HOL4 is an interactive proof assistant for higher-order logic, with a programming environment for proving theorems and building proof tools.
Free planLinuxmacOSSelf-hostedWindows6.5Free plan - 8
Boogie
Boogie is a modeling language and tool for building program verifiers for other languages.
Free planLinuxmacOSWindows6.4Free plan - 9
Agda
Agda is an open-source dependently typed functional programming language and interactive proof assistant for writing and checking proofs.
WebExtensionLinuxmacOS6.1 - 10
CPAchecker
CPAchecker is a configurable software verification tool for analyzing programs.
Free planLinuxmacOSSelf-hostedWindows6.1Free plan - 11
Isabelle
Isabelle is a free proof assistant for expressing mathematical formulas in a formal language and establishing them within a logical calculus.
Free planLinuxmacOSSelf-hostedWindows6.1Free plan - 12
OpenJML
OpenJML checks whether Java programs annotated with Java Modeling Language specifications meet those specifications.
Free planAPIExtensionLinuxmacOS6.1Free plan - 13
SPIN
SPIN is a free tool for checking whether asynchronous systems meet logical correctness requirements.
Free planLinuxmacOSWindows6.1Free plan - 14
UPPAAL
UPPAAL is an environment for modeling, simulating, and verifying real-time systems represented as networks of timed automata.
Free planLinuxmacOSWindows6.1Free plan - 15
VeriFast
VeriFast is a free, MIT-licensed research prototype for modular formal verification of C, Rust and Java programs.
Free planExtensionLinuxmacOSWindows6.1Free plan - 16
Alloy Analyzer
Alloy Analyzer explores models written in the Alloy language, searching for structures that satisfy constraints or counterexamples to properties.
Free planAPILinuxmacOSWindows6.0Free plan - 17
CBMC
CBMC is a free bounded model checker for C and C++ programs.
Free planLinuxmacOSSelf-hostedWindows6.0Free plan - 18
F*
F* is a free, open-source programming language for purely functional and effectful programs, designed around proving program properties.
Free planLinuxmacOSSelf-hostedWindows6.0Free plan - 19
HOL Light
HOL Light is free software for formally proving mathematical theorems in higher-order logic.
WebLinuxmacOSSelf-hosted6.0 - 20
NuSMV
NuSMV is a free software tool for formally verifying finite state systems.
Free planLinuxmacOSWindows6.0Free plan - 21
PRISM
PRISM is a free, open-source probabilistic model checker for formal analysis of systems with random or probabilistic behaviour.
Free planLinuxmacOSWindows6.0Free plan - 22
TLA+
TLA+ is a free, open-source language and toolset for modeling software and hardware, particularly concurrent and distributed systems.
Free planExtensionLinuxmacOSWindows6.0Free plan - 23
Frama-C
Frama-C is a plug-in platform for analyzing C programs and checking for bugs.
LinuxmacOSWindows5.9 - 24
SeaHorn
SeaHorn is an open-source framework for analyzing LLVM-based programs, developed mainly for research in automated verification.
LinuxmacOSSelf-hosted5.8 - 25
Stainless
LinuxmacOSWindows5.8 - 26
Dafny
Dafny is a verification-aware programming language that lets developers write specifications alongside code and uses a static verifier to check whether programs meet them.
LinuxmacOSSelf-hostedWindows5.7 - 27
K Framework
APILinuxmacOSSelf-hosted5.7 - 28
Ultimate Automizer
Ultimate Automizer is a free software model checker and a toolchain in the Ultimate program analysis framework.
WebLinuxWindows5.7 - 29
Viper
Viper is a free, open-source language and tool suite for building program verifiers and prototyping verification techniques.
WebExtensionLinuxmacOS5.7 - 30
ACL2
ACL2 is an interactive theorem prover that pairs a Lisp-based language for formal models with a reasoning engine to prove properties of those models.
LinuxmacOSSelf-hostedWindows5.6