# Top 10 OpenZeppelin Alternatives & Competitors
**Average Rating:** 5.0/5
**Total Number of Reviews:** 1
Explore the best alternatives to OpenZeppelin for users who need new software features or want to try different solutions. Other important factors to consider when researching alternatives to OpenZeppelin include ease of use and reliability. The best overall OpenZeppelin alternative is HackenProof. Other similar apps like OpenZeppelin are Plavno, Softstack, Hashlock, and Antier Solutions. OpenZeppelin alternatives can be found in [Smart Contract Audit Services](https://www.g2.com/categories/smart-contract-audit-services) but may also be in [Software Developer Services Providers](https://www.g2.com/categories/software-developer-services) or [Blockchain Developers](https://www.g2.com/categories/blockchain-developers).


## Best Paid & Free Alternatives to OpenZeppelin
  - [HackenProof](https://www.g2.com/products/hackenproof/reviews)
  - [Plavno](https://www.g2.com/products/plavno/reviews)
  - [Softstack](https://www.g2.com/products/softstack/reviews)
  - [Hashlock](https://www.g2.com/products/hashlock/reviews)
  - [Antier Solutions](https://www.g2.com/products/antier-solutions/reviews)
  - [BlockChainSentry](https://www.g2.com/products/blockchainsentry/reviews)
  - [AnChain.AI](https://www.g2.com/products/anchain-ai/reviews)
  - [ImmuneBytes](https://www.g2.com/products/immunebytes/reviews)
  - [SecureBlock](https://www.g2.com/products/secureblock/reviews)
  - [Solidity Finance](https://www.g2.com/products/solidity-finance/reviews)

## Top 10 Alternatives to OpenZeppelin Recently Reviewed By G2 Community
Browse options below. Based on reviewer data, you can see how OpenZeppelin stacks up to the competition, check reviews from current & previous users in industries like Computer Software, and find the best product for your business.


  ### 1. [HackenProof](https://www.g2.com/products/hackenproof/reviews)
By HackenProof
**Average Rating:** 4.8/5
**Total Reviews:** 10
HackenProof is an expert bug bounty and crowdsourced audit platform that connects companies with a global community of white hat security researchers. Projects launch a program, researchers find and report vulnerabilities, and HackenProof handles triage, validation, and payouts, so security teams only deal with verified, actionable issues.


Categories in common with OpenZeppelin: [Smart Contract Audit Services](https://www.g2.com/categories/smart-contract-audit-services)

**Compare:** [OpenZeppelin vs HackenProof](https://www.g2.com/compare/hackenproof-vs-openzeppelin)
**Compare HackenProof with other alternatives:**
- [HackenProof vs Plavno](https://www.g2.com/compare/hackenproof-vs-plavno)
- [HackenProof vs Softstack](https://www.g2.com/compare/hackenproof-vs-softstack)
- [HackenProof vs Hashlock](https://www.g2.com/compare/hackenproof-vs-hashlock)
- [HackenProof vs Antier Solutions](https://www.g2.com/compare/antier-solutions-vs-hackenproof)
- [HackenProof vs BlockChainSentry](https://www.g2.com/compare/blockchainsentry-vs-hackenproof)
- [HackenProof vs AnChain.AI](https://www.g2.com/compare/anchain-ai-vs-hackenproof)
- [HackenProof vs ImmuneBytes](https://www.g2.com/compare/hackenproof-vs-immunebytes)
- [HackenProof vs SecureBlock](https://www.g2.com/compare/hackenproof-vs-secureblock)
- [HackenProof vs Solidity Finance](https://www.g2.com/compare/hackenproof-vs-solidity-finance)

  ### 2. [Plavno](https://www.g2.com/products/plavno/reviews)
By Plavno
**Average Rating:** 4.8/5
**Total Reviews:** 9
Plavno is an international full-cycle software development company which combines solid technical skills with 14 years old expertise gained over the years and across various industries. We solve problems of all complexity and scale. Plavno deliver Web and Mobile solutions, always following the highest standards to make the businesses of our customers more innovative and successful. FOCUS ON: ✔Web3 / DeFi / DAO / Smart contract ✔WebRTC ✔Web Development ✔Mobile App Development ✔Chat and Chatbot Development ✔ML & AI Plavno has a strong and dedicated team of IT professionals working in the SAFe Scaled Agile Framework environment. Our team consists of a CTO, Team leaders, Product and Project managers, Developers and QA. The ultimate goal is to do exactly what our customers need and create long-term value throughout their digital transformation journey. LET’S CONNECT Excellent communication and a full understanding of clients' goals is the standard for us: Admin@plavno.io


Categories in common with OpenZeppelin: [Smart Contract Audit Services](https://www.g2.com/categories/smart-contract-audit-services)

**Compare:** [OpenZeppelin vs Plavno](https://www.g2.com/compare/openzeppelin-vs-plavno)
**Compare Plavno with other alternatives:**
- [Plavno vs HackenProof](https://www.g2.com/compare/hackenproof-vs-plavno)
- [Plavno vs Softstack](https://www.g2.com/compare/plavno-vs-softstack)
- [Plavno vs Hashlock](https://www.g2.com/compare/hashlock-vs-plavno)
- [Plavno vs Antier Solutions](https://www.g2.com/compare/antier-solutions-vs-plavno)
- [Plavno vs BlockChainSentry](https://www.g2.com/compare/blockchainsentry-vs-plavno)
- [Plavno vs AnChain.AI](https://www.g2.com/compare/anchain-ai-vs-plavno)
- [Plavno vs ImmuneBytes](https://www.g2.com/compare/immunebytes-vs-plavno)
- [Plavno vs SecureBlock](https://www.g2.com/compare/plavno-vs-secureblock)
- [Plavno vs Solidity Finance](https://www.g2.com/compare/plavno-vs-solidity-finance)

  ### 3. [Softstack](https://www.g2.com/products/softstack/reviews)
By softstack GmbH
**Average Rating:** 5.0/5
**Total Reviews:** 6
Our development company offers custom software, mobile, and web application solutions. Our firm provides exceptional professional services in strategy, user experience, design, and full-stack engineering to bring brilliant ideas into reality. We transform ambitious concepts into groundbreaking apps using Node, React, Electron, Python, C++, and other technologies.


Categories in common with OpenZeppelin: [Smart Contract Audit Services](https://www.g2.com/categories/smart-contract-audit-services)

**Compare:** [OpenZeppelin vs Softstack](https://www.g2.com/compare/openzeppelin-vs-softstack)
**Compare Softstack with other alternatives:**
- [Softstack vs HackenProof](https://www.g2.com/compare/hackenproof-vs-softstack)
- [Softstack vs Plavno](https://www.g2.com/compare/plavno-vs-softstack)
- [Softstack vs Hashlock](https://www.g2.com/compare/hashlock-vs-softstack)
- [Softstack vs Antier Solutions](https://www.g2.com/compare/antier-solutions-vs-softstack)
- [Softstack vs BlockChainSentry](https://www.g2.com/compare/blockchainsentry-vs-softstack)
- [Softstack vs AnChain.AI](https://www.g2.com/compare/anchain-ai-vs-softstack)
- [Softstack vs ImmuneBytes](https://www.g2.com/compare/immunebytes-vs-softstack)
- [Softstack vs SecureBlock](https://www.g2.com/compare/secureblock-vs-softstack)
- [Softstack vs Solidity Finance](https://www.g2.com/compare/softstack-vs-solidity-finance)

  ### 4. [Hashlock](https://www.g2.com/products/hashlock/reviews)
By Hashlock
**Average Rating:** 5.0/5
**Total Reviews:** 5
Hashlock is Australia's leading independent blockchain cybersecurity and smart contract auditing firm. They are a highly specialised Blockchain Cybersecurity firm coming from manual analysis, community auditing backgrounds and differentiate by the quantity of findings and being maintaining a high level of collaboration with clients, both in Australia and globally. Reach out to request a smart contract security audit by our leading security researchers, conducted through manual analysis and best practice testing.


Categories in common with OpenZeppelin: [Smart Contract Audit Services](https://www.g2.com/categories/smart-contract-audit-services)

**Compare:** [OpenZeppelin vs Hashlock](https://www.g2.com/compare/hashlock-vs-openzeppelin)
**Compare Hashlock with other alternatives:**
- [Hashlock vs HackenProof](https://www.g2.com/compare/hackenproof-vs-hashlock)
- [Hashlock vs Plavno](https://www.g2.com/compare/hashlock-vs-plavno)
- [Hashlock vs Softstack](https://www.g2.com/compare/hashlock-vs-softstack)
- [Hashlock vs Antier Solutions](https://www.g2.com/compare/antier-solutions-vs-hashlock)
- [Hashlock vs BlockChainSentry](https://www.g2.com/compare/blockchainsentry-vs-hashlock)
- [Hashlock vs AnChain.AI](https://www.g2.com/compare/anchain-ai-vs-hashlock)
- [Hashlock vs ImmuneBytes](https://www.g2.com/compare/hashlock-vs-immunebytes)
- [Hashlock vs SecureBlock](https://www.g2.com/compare/hashlock-vs-secureblock)
- [Hashlock vs Solidity Finance](https://www.g2.com/compare/hashlock-vs-solidity-finance)

  ### 5. [Antier Solutions](https://www.g2.com/products/antier-solutions/reviews)
By Antier Solutions
**Average Rating:** 4.4/5
**Total Reviews:** 4
Offering Customized And Scalable White Label Crypto Exchange Software Solutions At A Low Cost


Categories in common with OpenZeppelin: [Smart Contract Audit Services](https://www.g2.com/categories/smart-contract-audit-services)

**Compare:** [OpenZeppelin vs Antier Solutions](https://www.g2.com/compare/antier-solutions-vs-openzeppelin)
**Compare Antier Solutions with other alternatives:**
- [Antier Solutions vs HackenProof](https://www.g2.com/compare/antier-solutions-vs-hackenproof)
- [Antier Solutions vs Plavno](https://www.g2.com/compare/antier-solutions-vs-plavno)
- [Antier Solutions vs Softstack](https://www.g2.com/compare/antier-solutions-vs-softstack)
- [Antier Solutions vs Hashlock](https://www.g2.com/compare/antier-solutions-vs-hashlock)
- [Antier Solutions vs BlockChainSentry](https://www.g2.com/compare/antier-solutions-vs-blockchainsentry)
- [Antier Solutions vs AnChain.AI](https://www.g2.com/compare/anchain-ai-vs-antier-solutions)
- [Antier Solutions vs ImmuneBytes](https://www.g2.com/compare/antier-solutions-vs-immunebytes)
- [Antier Solutions vs SecureBlock](https://www.g2.com/compare/antier-solutions-vs-secureblock)
- [Antier Solutions vs Solidity Finance](https://www.g2.com/compare/antier-solutions-vs-solidity-finance)

  ### 6. [BlockChainSentry](https://www.g2.com/products/blockchainsentry/reviews)
By BlockChainSentry
**Average Rating:** 4.0/5
**Total Reviews:** 1
BlockChainSentry offers end-to-end custom, scalable, Web-3-based blockchain security solutions, including vulnerability management, smart contract audits, compliance audits, penetration testing, threat intelligence, and test automation.


Categories in common with OpenZeppelin: [Smart Contract Audit Services](https://www.g2.com/categories/smart-contract-audit-services)

**Compare:** [OpenZeppelin vs BlockChainSentry](https://www.g2.com/compare/blockchainsentry-vs-openzeppelin)
**Compare BlockChainSentry with other alternatives:**
- [BlockChainSentry vs HackenProof](https://www.g2.com/compare/blockchainsentry-vs-hackenproof)
- [BlockChainSentry vs Plavno](https://www.g2.com/compare/blockchainsentry-vs-plavno)
- [BlockChainSentry vs Softstack](https://www.g2.com/compare/blockchainsentry-vs-softstack)
- [BlockChainSentry vs Hashlock](https://www.g2.com/compare/blockchainsentry-vs-hashlock)
- [BlockChainSentry vs Antier Solutions](https://www.g2.com/compare/antier-solutions-vs-blockchainsentry)
- [BlockChainSentry vs AnChain.AI](https://www.g2.com/compare/anchain-ai-vs-blockchainsentry)
- [BlockChainSentry vs ImmuneBytes](https://www.g2.com/compare/blockchainsentry-vs-immunebytes)
- [BlockChainSentry vs SecureBlock](https://www.g2.com/compare/blockchainsentry-vs-secureblock)
- [BlockChainSentry vs Solidity Finance](https://www.g2.com/compare/blockchainsentry-vs-solidity-finance)

  ### 7. [AnChain.AI](https://www.g2.com/products/anchain-ai/reviews)
By AnChain.AI
**Average Rating:** 0.0/5
**Total Reviews:** 1
Leading AI blockchain #security company identifying and solving vulnerabilities for exchanges, wallets, blockchain protocols and DApps.


Categories in common with OpenZeppelin: [Smart Contract Audit Services](https://www.g2.com/categories/smart-contract-audit-services)

**Compare:** [OpenZeppelin vs AnChain.AI](https://www.g2.com/compare/anchain-ai-vs-openzeppelin)
**Compare AnChain.AI with other alternatives:**
- [AnChain.AI vs HackenProof](https://www.g2.com/compare/anchain-ai-vs-hackenproof)
- [AnChain.AI vs Plavno](https://www.g2.com/compare/anchain-ai-vs-plavno)
- [AnChain.AI vs Softstack](https://www.g2.com/compare/anchain-ai-vs-softstack)
- [AnChain.AI vs Hashlock](https://www.g2.com/compare/anchain-ai-vs-hashlock)
- [AnChain.AI vs Antier Solutions](https://www.g2.com/compare/anchain-ai-vs-antier-solutions)
- [AnChain.AI vs BlockChainSentry](https://www.g2.com/compare/anchain-ai-vs-blockchainsentry)
- [AnChain.AI vs ImmuneBytes](https://www.g2.com/compare/anchain-ai-vs-immunebytes)
- [AnChain.AI vs SecureBlock](https://www.g2.com/compare/anchain-ai-vs-secureblock)
- [AnChain.AI vs Solidity Finance](https://www.g2.com/compare/anchain-ai-vs-solidity-finance)

  ### 8. [ImmuneBytes](https://www.g2.com/products/immunebytes/reviews)
By ImmuneBytes
At ImmuneBytes, In the past two years, we have evaluated more than 175 smart contracts and have maintained an extensive clientele list of more than 145 clients globally. We've had the pleasure of working with a variety of significant blockchain networks, including Fantom, Ethereum, Polygon, Binance, and others. We not just audit a smart contract but also provide extensive audit reports with ratings for bug severity and proofs of concept. In addition to this, we are also known for implementing industry-standard tools for fuzz testing. This makes us stand out from the crowd.


Categories in common with OpenZeppelin: [Smart Contract Audit Services](https://www.g2.com/categories/smart-contract-audit-services)

**Compare:** [OpenZeppelin vs ImmuneBytes](https://www.g2.com/compare/immunebytes-vs-openzeppelin)
**Compare ImmuneBytes with other alternatives:**
- [ImmuneBytes vs HackenProof](https://www.g2.com/compare/hackenproof-vs-immunebytes)
- [ImmuneBytes vs Plavno](https://www.g2.com/compare/immunebytes-vs-plavno)
- [ImmuneBytes vs Softstack](https://www.g2.com/compare/immunebytes-vs-softstack)
- [ImmuneBytes vs Hashlock](https://www.g2.com/compare/hashlock-vs-immunebytes)
- [ImmuneBytes vs Antier Solutions](https://www.g2.com/compare/antier-solutions-vs-immunebytes)
- [ImmuneBytes vs BlockChainSentry](https://www.g2.com/compare/blockchainsentry-vs-immunebytes)
- [ImmuneBytes vs AnChain.AI](https://www.g2.com/compare/anchain-ai-vs-immunebytes)
- [ImmuneBytes vs SecureBlock](https://www.g2.com/compare/immunebytes-vs-secureblock)
- [ImmuneBytes vs Solidity Finance](https://www.g2.com/compare/immunebytes-vs-solidity-finance)

  ### 9. [SecureBlock](https://www.g2.com/products/secureblock/reviews)
By PentestPad
An elite team of experienced blockchain technology experts who deliver high-quality software and thorough smart contract security audits. Due to extensive experience and continuous investment in team's knowledge, we are competent to help during all phases of the blockchain product lifecycle. We partner with global companies of all sizes, who recognize the expertise, commitment and ability of a group to achieve success.


Categories in common with OpenZeppelin: [Smart Contract Audit Services](https://www.g2.com/categories/smart-contract-audit-services)

**Compare:** [OpenZeppelin vs SecureBlock](https://www.g2.com/compare/openzeppelin-vs-secureblock)
**Compare SecureBlock with other alternatives:**
- [SecureBlock vs HackenProof](https://www.g2.com/compare/hackenproof-vs-secureblock)
- [SecureBlock vs Plavno](https://www.g2.com/compare/plavno-vs-secureblock)
- [SecureBlock vs Softstack](https://www.g2.com/compare/secureblock-vs-softstack)
- [SecureBlock vs Hashlock](https://www.g2.com/compare/hashlock-vs-secureblock)
- [SecureBlock vs Antier Solutions](https://www.g2.com/compare/antier-solutions-vs-secureblock)
- [SecureBlock vs BlockChainSentry](https://www.g2.com/compare/blockchainsentry-vs-secureblock)
- [SecureBlock vs AnChain.AI](https://www.g2.com/compare/anchain-ai-vs-secureblock)
- [SecureBlock vs ImmuneBytes](https://www.g2.com/compare/immunebytes-vs-secureblock)
- [SecureBlock vs Solidity Finance](https://www.g2.com/compare/secureblock-vs-solidity-finance)

  ### 10. [Solidity Finance](https://www.g2.com/products/solidity-finance/reviews)
By Solidity Finance
Our team of experienced solidity smart contract auditors conduct audits for tokens, NFTs, crowdsales, marketplaces, gambling games, financial protocols, and more! We leverage a combination of static analysis, automated tools, and a robust manual review process to provide industry-leading security recommendations to project teams.


Categories in common with OpenZeppelin: [Smart Contract Audit Services](https://www.g2.com/categories/smart-contract-audit-services)

**Compare:** [OpenZeppelin vs Solidity Finance](https://www.g2.com/compare/openzeppelin-vs-solidity-finance)
**Compare Solidity Finance with other alternatives:**
- [Solidity Finance vs HackenProof](https://www.g2.com/compare/hackenproof-vs-solidity-finance)
- [Solidity Finance vs Plavno](https://www.g2.com/compare/plavno-vs-solidity-finance)
- [Solidity Finance vs Softstack](https://www.g2.com/compare/softstack-vs-solidity-finance)
- [Solidity Finance vs Hashlock](https://www.g2.com/compare/hashlock-vs-solidity-finance)
- [Solidity Finance vs Antier Solutions](https://www.g2.com/compare/antier-solutions-vs-solidity-finance)
- [Solidity Finance vs BlockChainSentry](https://www.g2.com/compare/blockchainsentry-vs-solidity-finance)
- [Solidity Finance vs AnChain.AI](https://www.g2.com/compare/anchain-ai-vs-solidity-finance)
- [Solidity Finance vs ImmuneBytes](https://www.g2.com/compare/immunebytes-vs-solidity-finance)
- [Solidity Finance vs SecureBlock](https://www.g2.com/compare/secureblock-vs-solidity-finance)


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