Optimism Dapps and Developer Tools

Optimism Applications and Developer Tools

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

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Web3 Security Tools
Forta is a decentralized monitoring network for the real-time detection of web3 systems threats.
Chains
Ethereum, Polygon, Arbitrum, Optimism, BNB Chain, Avalanche
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Venture Capital Firms
The United States' first institutional asset manager focused exclusively on Blockchain technology.
Chains
Ethereum, Arbitrum, Optimism, Polygon, Solana, Starknet, BNB Chain, Avalanche
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Web3 Wallets
Rainbow is a user-friendly wallet on Ethereum with bridging and cross-chain swaps to Layer 2s.
Chains
Ethereum, Optimism, Arbitrum, Polygon
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DeFi Dapps
A popular Ethereum-based swapping protocol with 0% fees.
Chains
Arbitrum, Polygon, BNB Chain, Optimism
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Trading Tools
One of the most trusted cryptocurrency exchanges available in the United States.
Chains
Ethereum, Arbitrum, Optimism, Polygon, Solana, Starknet, BNB Chain, Avalanche
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DeFi Dapps
Uniswap is the first Ethereum-based DEX enabling the swapping of ERC-20 tokens via liquidity pools.
Chains
Ethereum, Polygon, Arbitrum, Optimism
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DeFi Tools
LayerZero is a protocol for on-chain cross-communication.
Chains
Ethereum, BNB Chain, Avalanche, Polygon, Arbitrum, Optimism
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Web3 Wallets
Safe, a smart contract wallet, requires a minimum number of people to approve a transaction.
Chains
Ethereum, Polygon, Avalanche, BNB Chain, Arbitrum, Optimism
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Infrastructure Tools
Power your apps with real-time blockchain data and subgraphs without managing complex infrastructure.
Chains
Ethereum, Polygon, Optimism, Arbitrum, Avalanche, Multichain
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Infrastructure Tools
A development tools and knowledge company helping onboard devs to Web3.
Chains
Ethereum, Solana, Polygon, Arbitrum, Optimism, Polkadot
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DeFi Tools
Chainlink decentralized oracle networks support advanced smart contracts on any blockchain.
Chains
Ethereum, Polygon, Avalanche, BNB Chain, Arbitrum, Optimism
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Web3 Developer Tools
The best Solidity bootcamp for learning Ethereum development.
Chains
Ethereum, Polygon, Arbitrum, Optimism, Starknet, Multichain
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Web3 Wallet Tools
Preview what will enter and exit your wallet, before you sign.
Chains
Ethereum, Polygon, Optimism
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DeFi Dapps
Aave protocol allows users to borrow and lend with both fixed and variable interest rates.
Chains
Ethereum, Polygon, Optimism, Arbitrum, Avalanche, Fantom
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NFT Tools
Alchemy's NFT API helps you build cross-chain NFT apps for free.
Chains
Ethereum, Arbitrum, Optimism, Polygon
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Web3 Wallets
Coinbase is an EVM compatible software wallet. 
Chains
Ethereum, Optimism, Polygon, Arbitrum, Avalanche, BNB Chain, Solana, Multichain
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Identity Tools
Lit Protocol is a decentralized key management network powered by threshold cryptography.
Chains
Avalanche, Ethereum, Multichain, Polygon, Solana, Optimism, Cosmos
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Venture Capital Firms
Web3 investment fund dedicated to teams building revolutionary blockchain products.
Chains
Ethereum, Solana, Polygon, Arbitrum, Optimism
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Web3 Developer Tools
The best platform for web3 application development.
Chains
Ethereum, Polygon, Arbitrum, Optimism
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Trading Tools
The most trusted centralized cryptocurrency exchange in the United States.
Chains
Ethereum, Arbitrum, Optimism, Polygon, Solana, Starknet, BNB Chain, Avalanche
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Web3 Wallets
Apex wallet is a new Ethereum digital wallet used to store digital assets.
Chains
Ethereum, Polygon, Optimism, Arbitrum
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Venture Capital Firms
a16z is a venture capital firm that invests in seed to late-stage technology companies.
Chains
Ethereum, Arbitrum, Optimism, Polygon, Solana, Starknet, BNB Chain, Avalanche
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Solidity Tools
A search engine for EVM smart contracts and open source.
Chains
Ethereum, Polygon, Optimism, Arbitrum, BNB Chain, Avalanche, Cronos
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DeFi Tools
Create a decentralized application from a single npx package in 2 minutes.
Chains
Ethereum, Polygon, Arbitrum, Solana, Optimism
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DeFi Tools
Delphi Digital provides institutional-grade analysis on the digital asset market.
Chains
Ethereum, Arbitrum, Optimism, Polygon, Solana, Starknet, BNB Chain, Avalanche
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DeFi Dapps
A DeFi protocol on Optimism.
Chains
Optimism
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Venture Capital Firms
VC fund dedicated to exceptional founders and creating more economic freedom.
Chains
Ethereum, Arbitrum, Optimism, Polygon, Solana, Starknet, BNB Chain, Avalanche
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Trading Tools
Centralized exchange owned by Binance that operates in the United States.
Chains
Ethereum, Arbitrum, Optimism, Polygon, Solana, Starknet, BNB Chain, Avalanche
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DeFi Tools
Connext is a composable bridge for the blockchain.
Chains
Ethereum, Polygon, Avalanche, BNB Chain, Arbitrum, Optimism
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Web3 Wallets
Candide is a smart contract wallet that uses Account Abstraction.
Chains
Optimism
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Web3 Developer Tools
web3cli is a command-line tool aiming to be the Swiss-army knife of the blockchain.
Chains
Ethereum, Multichain, BNB Chain, Avalanche, Polygon, Optimism, Arbitrum, Starknet
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Web3 Developer Tools
Portals API provides transaction bundling, any-to-any swaps, and real-time data for DeFi assets. 
Chains
Arbitrum, Avalanche, BNB Chain, Ethereum, Fantom, Optimism, Polygon
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Web3 Wallets
Cryptocurrency wallet that also lets users manage their DeFi and NFT portfolios.
Chains
Ethereum, Arbitrum, Avalanche, BNB Chain, Polygon, Optimism, Solana, Fantom, Multichain
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DeFi Tools
Messari is a crypto market intelligence product suite. 
Chains
Ethereum, Arbitrum, Optimism, Polygon, Solana, Starknet, BNB Chain, Avalanche
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Trading Tools
Explore and discover opportunities across NFTs, DAOs and DeFi.
Chains
Arbitrum, Avalanche, BNB Chain, Ethereum, Optimism, Polygon
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DeFi Dapps
Leading multichain decentralized exchange for swapping cryptocurrency tokens.
Chains
Ethereum, Arbitrum, Optimism, Polygon
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Infrastructure Tools
Alchemy Notify is a webhook-based service that pushes notifications when an event happens on a DApp.
Chains
Ethereum, Polygon, Optimism, Arbitrum
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Web3 Wallets
UniPass is a non-custodial smart contract wallet, with no seed phrases or gas fees.
Chains
Arbitrum, Avalanche, BNB Chain, Ethereum, Optimism, Polygon
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Web3 Wallet Tools
Fireblocks is a platform for creating blockchain products and managing digital asset operations.
Chains
Ethereum, Polygon, Optimism, Arbitrum, Polkadot
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Web3 Wallets
Ledger is a hardware web3 wallet. 
Chains
Ethereum, Polygon, Avalanche, BNB Chain, Optimism, Arbitrum, Solana
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Web3 Wallet Tools
Leading institutional digital asset custodian, portfolio management tools, and APIs for developers.
Chains
Ethereum, Solana, Arbitrum, Optimism, Polygon, BNB Chain, Avalanche
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Web3 Wallet Tools
MoonPay offers a fast and simple way to buy and sell cryptocurrencies.
Chains
Ethereum, Polygon, Solana, BNB Chain, Arbitrum, Avalanche, Optimism
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Web3 Wallets
Open-source platform to build web3 experiences using custom transaction flows & smart contract wallets.
Chains
Ethereum, Polygon, Arbitrum, Optimism, Avalanche, BNB Chain, Multichain
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Identity Tools
Easily onboard all your users to web3 with a simple, robust library.
Chains
Ethereum, Optimism, Polygon, Arbitrum, Avalanche, BNB Chain
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DeFi Tools
Extensive multi-directional bridge for contract-level data flow across different L1s and L2s. 
Chains
Arbitrum, Ethereum, Polygon, Optimism, BNB Chain
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DeFi Dapps
PoolTogether is a no loss prize savings protocol. 
Chains
Ethereum, Optimism, Polygon, Avalanche
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Web3 Wallet Tools
Cask is a decentralized non-custodial protocol for managing automated money flows in web3.
Chains
Arbitrum, BNB Chain, Multichain, Polygon, Optimism, Avalanche
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DAO Tools
Aggregate and curate DAO contributor activity and get visibility into DAO member contributions.
Chains
Ethereum, Arbitrum, Polygon, Optimism
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DeFi Tools
Web3's decentralized backend - Build smart contracts that are automated, gasless & off-chain aware.
Chains
Ethereum, Polygon, Arbitrum, Optimism, BNB Chain, Avalanche, Cronos
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DeFi Tools
A decentralized finance (DeFi), crypto-asset aggregator and portfolio dashboard.
Chains
Ethereum, BNB Chain, Polygon, Avalanche, Solana, Optimism, Arbitrum
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DeFi Tools
LunarCrush is a social intelligence platform for Crypto, NFTs, and Stocks.
Chains
Ethereum, Arbitrum, Optimism, Polygon, Solana, Starknet, BNB Chain, Avalanche
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DeFi Tools
Advanced cryptocurrency analytics platform.
Chains
Ethereum, Arbitrum, Optimism, Polygon, Solana, Starknet, BNB Chain, Avalanche
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Infrastructure Tools
The Optimism Goerli Testnet Faucet gives developers ETH and DAI tokens for testnet dApps.
Chains
Optimism
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DeFi Tools
Coin particle is an analytics visualization tool.
Chains
Ethereum, Arbitrum, Optimism, Polygon, Solana, Starknet, BNB Chain, Avalanche
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Web3 Security Tools
A smart contract audit company that provides KYC background checks, pentests, and Bug Bounties.
Chains
Solana, Avalanche, BNB Chain, Ethereum, Optimism, Polygon
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DeFi Tools
Coin Metrics offers market, network, and financial intelligence for crypto industry research.
Chains
Ethereum, Arbitrum, Optimism, Polygon, Solana, Starknet, BNB Chain, Avalanche
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DeFi Tools
AI-driven crypto research platform which turns data into actionable investment insights.
Chains
Ethereum, Arbitrum, Optimism, Polygon, Solana, Starknet, BNB Chain, Avalanche
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DeFi Tools
APY.vision tracks liquidity pool gains and impermanent loss for DeFi investors and protocols.
Chains
Ethereum, Solana, Polygon, Optimism, Arbitrum, Fantom, Avalanche
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Web3 Developer Tools
Socket is a Web3 privacy infrastructure.
Chains
Arbitrum, Avalanche, BNB Chain, Ethereum, Optimism, Polygon
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Trading Tools
DeBank is a dashboard for tracking your DeFi portfolio.
Chains
Ethereum, Polygon, Avalanche, Arbitrum, Optimism
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DeFi Tools
Across is an optimistic bridge among the EVM-based chains.
Chains
Ethereum, Arbitrum, Polygon, Optimism
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DeFi Tools
LayerSwap is a bridge between centralized exchanges and layer-2 blockchains.
Chains
BNB Chain, Optimism, Starknet, Arbitrum
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Web3 Wallet Tools
Copper is a platform that provides a secure infrastructure for digital asset investments.
Chains
Ethereum, Solana, Arbitrum, Optimism, Polygon, BNB Chain, Avalanche
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Identity Tools
Dynamic is an all-in-one wallet authentication and user management protocol.
Chains
Ethereum, Solana, Starknet, Arbitrum, Avalanche, BNB Chain, Optimism, Polygon
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Infrastructure Tools
Opera Crypto Browser is a web browser optimized for web3. 
Chains
Arbitrum, BNB Chain, Ethereum, Optimism, Polygon
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Web3 Developer Tools
Optimistic Etherscan is an Optimism blockchain explorer.
Chains
Optimism
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DeFi Dapps
Iron Bank allows protocols and individuals to supply and borrow crypto assets.
Chains
Ethereum, Avalanche, Optimism
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DeFi Dapps
Tarot is a decentralized protocol for Lending and leveraged yield farming.
Chains
Fantom, Optimism
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DeFi Dapps
Sonne Finance is a decentralized, non-custodial liquidity market protocol on Optimism Mainnet.
Chains
Optimism
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DeFi Dapps
dForce is a decentralized protocol that offers services like asset trading and lending.
Chains
BNB Chain, Arbitrum, Ethereum, Polygon, Optimism
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DeFi Dapps
A composable trading protocol dedicated to perpetual futures.
Chains
Optimism
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DeFi Dapps
Socialized asset management on Ethereum, Optimism, and Polygon.
Chains
Optimism, Polygon, Ethereum
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DeFi Dapps
Beethoven is a Balancer-based DEX on the Optimism blockchain.
Chains
Optimism, Fantom
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DeFi Dapps
Hundred Finance's multichain lending protocol and Chainlink oracles ensure a healthier market.
Chains
Polygon, Ethereum, Arbitrum, Optimism
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DeFi Dapps
Rubicon is an order book protocol on Ethereum L2 networks.
Chains
Optimism
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DeFi Dapps
A perpetual swapping protocol.
Chains
Optimism
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Identity Tools
Galxe makes credential infrastructure that all Web3 developers can access. 
Chains
Ethereum, Solana, BNB Chain, Polygon, Optimism, Arbitrum
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Infrastructure Tools
A decentralized platform for building on-chain or off-chain task automations.
Chains
Ethereum, Polygon, Avalanche, Arbitrum, BNB Chain, Optimism
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DeFi Dapps
Arrakis, a DeFi protocol on Ethereum, specializes in concentrated and active liquidity management.
Chains
Ethereum, Polygon, Optimism
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DeFi Tools
DIA  is a multi-chain, end-to-end, open-source data and oracle platform for Web3.
Chains
Arbitrum, Avalanche, BNB Chain, Ethereum, Optimism, Polygon, Solana
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DeFi Dapps
Lyra, a decentralized protocol, helps users buy and sell options crypto. 
Chains
Ethereum, Optimism
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DeFi Dapps
Beefy Finance is a Decentralized Multichain Yield Optimizer.
Chains
Ethereum, Polygon, Optimism, Arbitrum
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DeFi Dapps
Reaper Farm is an auto-compounder on the Fantom network.
Chains
Optimism, Fantom
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DeFi Dapps
Polynomial Protocol is a decentralized options liquidity aggregation protocol.
Chains
Optimism
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Web3 Social Dapps
Build decentralized social experiences with Orbis Protocol.
Chains
Ethereum, Polygon, Optimism, Solana
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DeFi Dapps
Alchemix allows users to take out self-paying loans after depositing cryptocurrency as collateral.
Chains
Ethereum, Optimism
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DeFi Dapps
Pickle finance is a yield aggregator that automatically compounds users LP tokens.
Chains
Ethereum, Optimism, Arbitrum, Polygon, Fantom
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Trading Tools
International digital asset trading platform offering spot markets and futures.
Chains
Ethereum, Arbitrum, Optimism, Polygon, Solana, Starknet, BNB Chain, Avalanche
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Trading Tools
Bithumb is a South Korean cryptocurrency exchange.
Chains
Ethereum, Arbitrum, Optimism, Polygon, Solana, Starknet, BNB Chain, Avalanche
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Web3 Developer Tools
Tenderly Sandbox is a code editor created as a friendlier environment for beginning developers.
Chains
Ethereum, Polygon, Optimism, Arbitrum, BNB Chain, Avalanche, Fantom, Gnosis Chain
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Trading Tools
Popular centralized cryptocurrency exchange and digital asset custodian.
Chains
Ethereum, Arbitrum, Optimism, Polygon, Solana, Starknet, BNB Chain, Avalanche
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Web3 Wallets
D’CENT offers both biometric and card hardware wallets. 
Chains
Ethereum, Polygon, Avalanche, BNB Chain, Optimism, Arbitrum
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Trading Tools
Bitstamp founded in 2011 is a cryptocurrency exchange based in Luxembourg.
Chains
Ethereum, Arbitrum, Optimism, Polygon, Solana, Starknet, BNB Chain, Avalanche
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Trading Tools
International cryptocurrency and derivatives exchange.
Chains
Ethereum, Arbitrum, Optimism, Polygon, Solana, Starknet, BNB Chain, Avalanche
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Trading Tools
Centralized Singapore-based crypto exchange.
Chains
Ethereum, Arbitrum, Optimism, Polygon, Solana, Starknet, BNB Chain, Avalanche
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Infrastructure Tools
Earn Optimism ETH by bridging USDC to the Optimism network and interacting with dapps.
Chains
Optimism
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Trading Tools
Bybit is an international, centralized cryptocurrency exchange.
Chains
Ethereum, Arbitrum, Optimism, Polygon, Solana, Starknet, BNB Chain, Avalanche
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Infrastructure Tools
The Paradigm Faucet airdrops tokens and NFTs to developers across 5 common testnet networks.
Chains
Ethereum, Polygon, Optimism
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Trading Tools
Well-known centralized cryptocurrency exchange for international traders.
Chains
Ethereum, Arbitrum, Optimism, Polygon, Solana, Starknet, BNB Chain, Avalanche
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NFT Tools
Chainstack NFT API helps developers mint NFTs and manage token data across multiple blockchains.
Chains
Ethereum, Polygon, Avalanche, Solana, BNB Chain, Optimism, Arbitrum
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