Security Tools

Open source and commercial tools for smart contract security, monitoring, and threat detection.

Slither

OSS

Static analysis framework for Solidity smart contracts. Detects vulnerabilities, optimizes gas usage, and suggests code improvements.

free Static Analyzers Vulnerability Scanners

Echidna

OSS

Property-based fuzzer for Ethereum smart contracts. Uses grammar-based fuzzing campaigns to find violations of security properties.

free Fuzzers Testing

Forta

AI OSS

Real-time threat detection network for blockchain activity. AI-powered monitoring bots detect exploits, scams, and anomalies as they happen.

freemium Monitoring Threat Detection

Mythril

OSS

Symbolic execution tool for EVM bytecode analysis. Detects security vulnerabilities in Ethereum smart contracts.

free Static Analyzers Vulnerability Scanners

Semgrep (Solidity)

OSS

Lightweight static analysis with custom Solidity rules. Fast pattern matching for security anti-patterns in smart contract code.

freemium Static Analyzers

Aderyn

AI OSS

Rust-based Solidity static analyzer built by Cyfrin. Fast vulnerability detection with AI-assisted finding explanations.

free Static Analyzers AI-Powered

Solhint

OSS

Solidity linter for code quality and security rules. Catches common mistakes and enforces best practices in smart contract development.

free Static Analyzers

Wake

OSS

Python-based Solidity development and testing framework with built-in vulnerability detectors and cross-reference analysis.

free Static Analyzers Testing

Foundry Fuzz

OSS

Built-in fuzz testing in the Foundry development framework. Write Solidity tests that automatically generate random inputs to find edge cases.

free Fuzzers Testing

Medusa

OSS

Parallelized smart contract fuzzer based on go-ethereum. Designed for high-throughput fuzzing with coverage-guided mutation strategies.

free Fuzzers Testing

Harvey

Greybox fuzzer for Ethereum smart contracts from ConsenSys. Combines coverage-guided fuzzing with input prediction for deeper bug discovery.

paid Fuzzers

Certora Prover

Formal verification platform for smart contracts. Mathematically proves correctness properties using CVL specification language.

freemium Formal Verification

Halmos

OSS

Symbolic bounded model checker for EVM smart contracts. Write tests in Solidity and prove them symbolically using Foundry conventions.

free Formal Verification Testing

KEVM

OSS

Formal semantics of the EVM in the K Framework. Enables rigorous verification of smart contract bytecode against formal specifications.

free Formal Verification

Scribble

OSS

Specification language and runtime verification tool for Solidity. Annotate contracts with properties that are checked at runtime or via fuzzing.

free Formal Verification Testing

OpenZeppelin Defender

Secure operations platform for smart contracts. Automates admin operations, monitors transactions, and provides incident response tools.

freemium Monitoring Threat Detection

Tenderly

Full-stack blockchain development platform with transaction simulation, debugging, monitoring, and alerting for EVM chains.

freemium Monitoring Testing

Hexagate

AI

Real-time threat detection and prevention platform for Web3. Uses machine learning to detect exploits before they complete.

paid Monitoring Threat Detection

Chainalysis

AI

Blockchain analytics and compliance platform. Provides transaction monitoring, risk scoring, and investigation tools for crypto organizations.

enterprise Monitoring

Blocknative

Mempool monitoring and transaction management platform. Provides pre-chain data for MEV protection and gas estimation.

freemium Monitoring

Fireblocks

Enterprise-grade digital asset custody and operations platform. MPC-based key management with policy engine and DeFi access.

enterprise Wallet & Custody

Safe (Gnosis Safe)

OSS

The most trusted smart contract wallet for multisig asset management. Secures over $100B in digital assets across EVM chains.

free Wallet & Custody

Fordefi

Institutional MPC wallet with built-in transaction simulation and policy engine. Previews transaction effects before signing.

paid Wallet & Custody

Ledger Enterprise

Hardware security module (HSM) based custody solution for institutions. Air-gapped signing with governance rules and DeFi connectivity.

enterprise Wallet & Custody

Socket.dev

AI OSS

Supply chain security for open-source dependencies. Detects malicious packages, typosquats, and compromised maintainers before they reach your project.

freemium Supply Chain

Snyk

Developer-first security platform for open-source dependencies, containers, and infrastructure as code. Finds and fixes vulnerabilities automatically.

freemium Supply Chain

npm audit

OSS

Built-in Node.js dependency vulnerability scanner. Checks installed packages against the GitHub Advisory Database.

free Supply Chain

cargo-audit

OSS

Rust dependency vulnerability scanner. Audits Cargo.lock against the RustSec Advisory Database for known security issues.

free Supply Chain

Olympix

AI

AI-powered smart contract vulnerability scanner. Uses large language models to detect complex logic bugs that rule-based tools miss.

freemium Static Analyzers AI-Powered

4naly3er

OSS

Automated Solidity analysis tool built for competitive audits. Generates gas optimization and quality reports for smart contracts.

free Static Analyzers Gas Optimizers

Pyrometer

OSS

Abstract interpretation-based Solidity analyzer by Nascent. Detects range violations and arithmetic issues through value-range analysis.

free Static Analyzers

Heimdall

OSS

Advanced EVM bytecode toolkit for decompilation, disassembly, and analysis. Reconstructs Solidity-like source from deployed bytecode.

free Decompilers

Dedaub Decompiler

Advanced online EVM decompiler with high-quality Solidity output. Used for analyzing unverified contracts and investigating exploits.

free Decompilers

Immunefi Bug Bounty

The largest Web3 bug bounty platform. Connects security researchers with protocols offering bounties up to $10M+ for critical vulnerabilities.

free Vulnerability Scanners

Echidna Parade

OSS

Distributed orchestration layer for Echidna fuzz testing. Runs parallel fuzzing campaigns across multiple configurations for better coverage.

free Fuzzers Testing

Manticore

OSS

Symbolic execution tool for EVM and native binaries. Performs deep program analysis to find bugs and verify properties.

free Formal Verification Vulnerability Scanners

Hypernative

AI

Real-time Web3 threat detection and prevention platform using proprietary ML models. Detects cyber, economic, governance, and community threats before they have impact.

enterprise Monitoring Threat Detection

Blockaid

AI

Real-time transaction screening and dApp security platform. Scans 15M+ sites daily and protects major wallets including MetaMask, Coinbase, and Safe from scams and exploits.

enterprise Threat Detection Wallet & Custody

Flashbots Protect

OSS

Private transaction RPC that shields users from MEV extraction. Serves 2.1M+ Ethereum accounts and has protected $43B in DEX volume from frontrunning and sandwich attacks.

free Threat Detection MEV Protection

GoPlus Security

AI OSS

Web3 security infrastructure providing token security detection, malicious address screening, and contract risk analysis across 30+ chains.

freemium Vulnerability Scanners Threat Detection

Token Sniffer

Automated token contract scanner for detecting rug pulls, honeypots, and scam tokens across EVM chains. Free to use for basic analysis.

free Vulnerability Scanners Token Scanners

De.Fi Scanner

Smart contract and token analyzer with proprietary De.Fi Score rating system. Scans for rug pull risks, permission flags, and contract vulnerabilities across EVM chains.

free Vulnerability Scanners Token Scanners

Kontrol

OSS

Formal verification tool that combines KEVM with Foundry, letting developers verify smart contracts symbolically using existing test suites without learning new languages.

free Formal Verification Testing

Recon

OSS

Unified invariant testing platform that integrates Echidna, Medusa, Halmos, and Foundry into one workflow with auto-generated boilerplate and parallel fuzzing.

freemium Fuzzers Testing

Gambit

OSS

Solidity mutation testing tool by Certora. Generates AST-level mutants to validate test suite and formal verification coverage. Written in Rust for speed.

free Testing Mutation Testing

Vertigo-rs

OSS

Mutation testing framework for Solidity smart contracts. Introduces subtle code changes (mutants) to verify your test suite catches real vulnerabilities.

free Testing Mutation Testing

AuditAgent

AI

AI-driven pre-audit tool by Nethermind that detects vulnerabilities and simulates attack scenarios beyond traditional scanning capabilities.

freemium AI-Powered Vulnerability Scanners

Veritas Protocol

AI

Automated smart contract audit platform using AI (Qwen2.5-Coder architecture) to find vulnerabilities faster and cheaper than manual audits.

freemium AI-Powered Vulnerability Scanners

ChainGPT Smart Contract Auditor

AI

AI-powered auditing tool trained on historical audit data, known vulnerabilities, and past exploits. Evaluates Solidity contracts for security issues at speed.

freemium AI-Powered Vulnerability Scanners

QuillShield

AI

AI-powered smart contract analyzer by QuillAudits that detects logical errors beyond common vulnerability patterns in Solidity code.

freemium AI-Powered Vulnerability Scanners

Phalcon

AI

World's first crypto hack blocking system by BlockSec. Real-time attack detection and automated response that has prevented $20M+ in losses across 20+ incidents.

enterprise Monitoring Threat Detection

MetaSleuth

On-chain fund tracking and investigation platform by BlockSec. Traces transaction flows and wallet relationships for incident response and forensic analysis.

freemium Monitoring Forensics & Investigation

TRM Labs

AI

Blockchain intelligence platform covering 77 chains with FedRAMP High authorization. Used by government agencies and financial institutions for compliance and investigation.

enterprise Monitoring Forensics & Investigation

Elliptic

AI

Blockchain analytics and compliance platform processing 300M screenings per quarter with 99.99% uptime. AI copilot reduces alert management time by 50%.

enterprise Monitoring Forensics & Investigation

Arkham Intelligence

AI

On-chain intelligence platform with entity-level wallet labeling, real-time alerts, and an intelligence marketplace. Deanonymizes blockchain activity at scale.

freemium Monitoring Forensics & Investigation

Nansen

AI

AI-driven on-chain analytics platform with 500M+ labeled wallets. Tracks smart money flows, whale movements, and DeFi activity across major chains.

paid Monitoring Forensics & Investigation

Trugard

AI

AI-driven smart contract risk intelligence engine with 20M+ contracts scored. Uses dynamic analysis to predict contract behavior beyond known vulnerability patterns.

freemium AI-Powered Vulnerability Scanners

DeFiSafety

Independent DeFi protocol rating organization. Scores protocols 0-100 on process quality, smart contracts, documentation, testing, security, and admin controls.

free Vulnerability Scanners DeFi Risk Management

Chaos Labs

AI

DeFi economic security platform providing agent-based simulations, real-time risk monitoring, and automated parameter optimization for lending protocols.

enterprise Monitoring Testing

Gauntlet

AI

Simulation-based risk modeling platform for DeFi protocols. Tests economic hypotheses and optimizes risk parameters through agent-based simulations.

enterprise Monitoring Testing

Surya

OSS

Smart contract visualization tool by ConsenSys. Generates call graphs, inheritance diagrams, and function interaction maps for Solidity codebases.

free Static Analyzers Visualization

Solidity Visual Developer

OSS

VSCode extension for smart contract auditors. Provides visual code analysis, flowchart generation, and security-focused code navigation for Solidity.

free Static Analyzers Visualization

Move Prover

OSS

Formal verification tool for Move smart contracts on Aptos and Sui. Uses Move Specification Language to mathematically prove contract correctness.

free Formal Verification

Move Analyzer

OSS

VSCode plugin suite by MoveBit providing syntax highlighting, code completion, diagnostics, and Move Specification Language support for Aptos and Sui development.

free Static Analyzers

Circomspect

OSS

Static analysis tool for Circom ZK circuits developed by zkSecurity. Detects common vulnerabilities in zero-knowledge proof implementations.

free Static Analyzers ZK Security

Picus

In-house ZK circuit vulnerability detection tool by Veridise. Specifically designed for ensuring correctness of zero-knowledge circuit implementations.

enterprise Static Analyzers ZK Security

Soteria

Static analysis tool for Solana programs by Sec3. Analyzes Rust code for common Solana-specific vulnerabilities including missing account validation and CPI issues.

freemium Static Analyzers Vulnerability Scanners

EigenPhi

MEV analytics and monitoring platform. Tracks sandwich attacks, arbitrage, liquidations, and other MEV activity across DeFi protocols in real-time.

freemium Monitoring MEV Protection

Solana Security Scanner

OSS

Official Solana toolkit security scanner for detecting common vulnerabilities in Solana programs built with Rust and Anchor.

free Vulnerability Scanners