Looking for something like Three Sigma? Here are 24 alternatives, ranked by how closely they match it on purpose, features and platforms. Of these, 1 are open source.
Three Sigma audits blockchain code and DeFi systems, reporting security findings and services for Web3 projects.
| # | Alternative | Pricing | Open source | Platforms |
|---|---|---|---|---|
| 1 | Sigma Prime | — | Not stated | Web |
| 2 | OtterSec | — | Not stated | Web |
| 3 | Sherlock | — | Not stated | Web |
| 4 | Hexens | — | Not stated | Web |
| 5 | Trail of Bits | — | Not stated | Web |
| 6 | VSCode Solidity Auditor | — | Yes | — |
| 7 | FailSafe | — | Not stated | Web |
| 8 | Splunk | Free trial | Not stated | Web |
| 9 | RockawayX | — | Not stated | Web |
| 10 | Ensuro | — | Not stated | Web |
Sigma Prime audits smart contracts, zero-knowledge systems, blockchain infrastructure, and off-chain code, and publishes security research.
OtterSec audits blockchain systems, including layer-one networks, wallets, DeFi protocols, bridges, and related infrastructure.
Sherlock offers Web3 security audits, contests, AI analysis, and bug bounties for smart contract projects.
Hexens audits blockchain systems and offers continuous threat exposure monitoring, alongside research on smart contract platform vulnerabilities.
Trail of Bits publishes security reviews, research, open-source tools, and talks covering software, blockchains, and AI systems.
VSCode Solidity Auditor adds Solidity language support and visual security auditing to Visual Studio Code.
FailSafe builds continuous security testing systems that probe applications, APIs, infrastructure, and AI systems for exploitable issues.
Splunk for Blockchain helps monitor blockchain systems by collecting and analyzing onchain and offchain data.
RockawayX invests in Web3 ventures and provides blockchain infrastructure, liquidity, and engineering support for protocols and founders.
Ensuro offers digital insurance for embedded protection; its site reports policies sold and premiums collected.
EverRise develops bridging and security applications for DeFi protocols across BNB Chain, Ethereum, Polygon, Fantom, and Avalanche.
StarkWare develops STARK proof technology for blockchain scalability, security, and privacy, with products including Starknet and StarkEx.
Each Ethernaut level requires hacking a smart contract in the Ethereum Virtual Machine through a Web3 and Solidity wargame.
Tulipa Capital curates DeFi risk strategies and provides dashboards and partner information for its on-chain finance work.
K3 Capital manages non-directional DeFi strategies such as interest-rate arbitrage, liquidity provision, and early protocol participation.
Sentora provides non-custodial DeFi vaults, real-time analytics, and risk management for capital deployment across decentralized finance.
Ouroboros Capital presents Yuzu Money yield products, including tokenized real-world asset yield and curated DeFi strategies.
MEV Capital provides on-chain liquidity and DeFi risk management, including curated vaults and segregated managed accounts.
Gami Labs offers curated DeFi vaults and yield strategies for institutional allocators, with public and private vaults.
TAU Labs designs and manages DeFi vaults, including mechanism design, token design, incentive optimization, and risk management.
Re7 Labs advises DeFi protocols and curates on-chain risk, using research and in-house tooling across digital asset ecosystems.
CoinLedger provides crypto tax preparation and forms, with support for exchanges, NFTs, DeFi, and cryptocurrency transactions.
Hats Finance runs a decentralized marketplace for smart contract bug bounties and audit competitions.
Zellic provides security assessments for emerging technologies, using offensive security research to identify software vulnerabilities.
Alternatives are suggested from the purpose and features described in our listings. Different pages for the same product appear once. Read each description to check whether it fits your task. How we choose alternatives · Suggest an alternative
