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OP Mainnet

OP Mainnet

OP Mainnet Apps, Projects, and Developer Tools

Explore some of the best decentralized OP Mainnet applications and OP Mainnet developer tools. Whether you're a web3 developer or simply web3 curious, this directory includes some of the top OP Mainnet dapps and projects.

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Alchemy Fam Members
Blockchains
DAO Tools
DAOs
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DeFi Tools
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Infrastructure Tools
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NFT Tools
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Enterprise CustomersRPC Node Providers

The complete web3 development platform for wallets, rollups, and app

Alchemy Rollups

Rollups-as-a-Service (RaaS)

The complete developer platform for your rollup.

Enterprise CustomersRPC Node Providers

Blast is a decentralized API platform with multichain support.

Rollup Frameworks

OP Stack is the modular code powering OP Mainnet and the Superchain.

Web3 30 WinnersBlock Explorers

The onchain explorer.

Build anything onchain with Alchemy.

Web3 30 WinnersDAO Developer Tools

Tally is an all-in-one tool that helps DAOs govern better.

Modular Interoperability Tools

Open interoperability framework powering the rollup ecosystem.

Quest-to-Earn Tools

Boost is an onchain rewards network to incentivize any onchain action.

Blockchain Auditing Companies

Spearbit connects independent security experts to the Web3 projects that need them.

Superbridge is a user friendly, native bridge for rollups.

Alchemy Smart Wallets

Embedded Wallets

Bring users onchain in seconds with smart accounts. No seed phrase, no gas.

Web3 Payment Tools

The Commerce Automation Platform for Modular Chains

Block Explorers

View, confirm, and inspect transactions on blockchains compatible with the Ethereum Virtual Machine.

Transaction Tools

Uniting onchain crypto experiences through seamless crosschain transactions.

thirdweb is the leading platform for web3 developers.

Web3 Payment Tools

Simplifying payments for businesses by enabling global card acceptance and instant customer payouts.

Blockchain Security Tools

Protect users against fraud, scams, phishing, and hacks.

Blockchain Security Tools

The world leader in smart contract risk and the largest collection of measured insights.

Enterprise CustomersBlockchain Security Tools

Forta is a decentralized monitoring network for the real-time detection of web3 systems threats.

Wallet Developer Tools

Blockradar enables fintechs to issue non-custodial wallet addresses for seamless stablecoin deposits.

Enterprise CustomersEmbedded Wallets

Open-source alternative to wallet infrastructure solutions

Web3 30 WinnersSoftware Wallets

MetaMask is a popular EVM compatible crypto wallet.

Pantera Capital

The United States' first institutional asset manager focused exclusively on Blockchain technology.

Free CustomersSoftware Wallets

Rainbow is a user-friendly wallet on Ethereum with bridging and cross-chain swaps to Layer 2s.

Enterprise CustomersSoftware Wallets

Zengo is the most secure self-custodial, Multi-Party Computation (MPC) wallet.

Apillon Embedded Wallet Service

Embedded Wallets

Apillon is a comprehensive Web3 platform that simplifies blockchain development.

Enterprise CustomersIndexing Tools

Power your apps with real-time blockchain data and subgraphs without managing complex infrastructure.

Free CustomersNFT APIs

NFTScan is an NFT data infrastructure.

Free CustomersCrypto Exchanges

One of the most trusted cryptocurrency exchanges available in the United States.

Enterprise CustomersDecentralized Exchanges (DEXs)

A popular Ethereum-based swapping protocol with 0% fees.

Best-in-Class AppsDecentralized Exchanges (DEXs)

Uniswap is the first Ethereum-based DEX enabling the swapping of ERC-20 tokens via liquidity pools.

Enterprise CustomersToken Gating Tools

Collab.Land is an NFT token gating bot for Telegram and Discord with over 6.5mm verified wallets.

Free CustomersWeb3 Bridges

LayerZero is a protocol for on-chain cross-communication.

Software Wallets

Powerful, self-custody wallet built to connect you to the decentralized web — safely and securely.

Ecosystem PartnersLayer 2 Blockchains

OP Mainnet is a low-cost and lightning-fast Ethereum L2 blockchain.

Free CustomersSmart Contract Wallets

Safe, a smart contract wallet, requires a minimum number of people to approve a transaction.

Alchemy Bundler

Account Abstraction (ERC-4337) Bundlers

Open-source ERC-4337 bundler written in Rust by Alchemy.

Best-in-Class AppsDecentralized Oracles

Chainlink decentralized oracle networks support advanced smart contracts on any blockchain.

Alchemy University

Enterprise CustomersWeb3 Education Resources

The best Solidity bootcamp for learning Ethereum development.

Best-in-Class AppsDecentralized Lending Dapps

Aave protocol allows users to borrow and lend with both fixed and variable interest rates.

Alchemy NFT API

Enterprise CustomersNFT APIs

Alchemy's NFT API helps you build cross-chain NFT apps for free.

Best-in-Class AppsMPC Wallets

OKX Wallet is the world's most powerful crypto wallet.

Coinbase Wallet

Web3 30 WinnersSoftware Wallets

Coinbase is an EVM compatible software wallet.

Smart Contract Accounts

Enterprise-grade, gas-optimized ERC-4337 smart contract account.

Free CustomersWeb3 Authentication Tools

Lit Protocol is a decentralized key management network powered by threshold cryptography.

Alchemy Ventures

Enterprise CustomersWeb3 VC Firms

Web3 investment fund dedicated to teams building revolutionary blockchain products.

Nansen Portfolio

Crypto Portfolio Dashboards

Track all your DeFi holdings in a single dashboard.

Enterprise CustomersWeb3 SDKs

The best platform for web3 application development.

Free CustomersCrypto Exchanges

The most trusted centralized cryptocurrency exchange in the United States.

Best-in-Class AppsDecentralized Exchanges (DEXs)

1inch is a DEX aggregator powering flexible swaps and trades through their native protocol.

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