App-Integration

Leichtgewichtige, modulare, reaktive Java- und Android-Bibliothek für Ethereum. JSON-RPC-Client-API, Wallet-Unterstützung und automatisch generierte Solidity-Contract-Wrapper für Bereitstellung und Interaktion. Enthält CLI, Maven/Gradle-Plugins und ENS-Unterstützung.

web3.py ist die Open-Source-Bibliothek, die Python-Entwickler mit Ethereum verbindet. Dasselbe Team pflegt mehr als ein Dutzend zusätzliche Bausteine, darunter py-evm, eth-account und eth-utils.

Ethers.js ist eine kompakte TypeScript-Bibliothek für Skripte, Wallets und Dienste, die vorhersehbares JSON-RPC, ABI-Codierung und Signier-Helfer in Node oder im Browser benötigen.

Viem ist die am häufigsten verwendete moderne TypeScript-Schnittstelle für Ethereum. Viem bietet robuste, leistungsstarke und typsichere Module als Grundlage für die Entwicklung von Webanwendungen, TypeScript-Bibliotheken, Wallets, Backends, Indexern, Skripten und mehr auf Ethereum.

Nethereum ist die .Net-Integrationsbibliothek für Ethereum, die den Zugriff und die Smart-Contract-Interaktion mit Ethereum-Knoten vereinfacht, sowohl öffentlichen wie Geth (oder deinem bevorzugten Client), L2-Chains wie Optimism, Arbitrum (oder deiner bevorzugten L2), jeder kompatiblen EVM-Chain (Gnosis usw.) und zugangsbeschränkten Chains wie Quorum.

rust-libp2p ist die Referenz-Rust-Implementierung des modularen Peer-to-Peer-Stacks von libp2p, der von Magi auf dem OP Stack, Lighthouse, Forest und vielen anderen Projekten verwendet wird, die zusammensetzbare Transporte, Sicherheit, Pubsub und Erkennungs-Primitive für dezentrale Netzwerke benötigen.

Revm ist eine kritische Komponente im Ethereum-Ökosystem, die von Buildern, Tools, Clients und Chains verwendet wird.

Eine JavaScript-Bibliothek zum Erstellen von Merkle-Bäumen und zur Verifizierung von Proofs.

Delphereum is a web3 implementation for Delphi that lets Object Pascal desktop and mobile applications sign transactions and read contract state. It is the maintained route to Ethereum for builders working in that language.

Elixir Ethers is a library for calling and decoding Ethereum smart contracts from Elixir. Builders use it when the backend is written in Elixir, where options are few.

essential-eth is a lightweight JavaScript client library that bundles to roughly a tenth of the size of ethers.js or web3.js. Builders install it when bundle size on the frontend is the constraint.

Ethereumex is an Elixir JSON-RPC client for Ethereum and the transport layer that higher-level libraries such as Elixir Ethers build on. Elixir builders configure it by name even when they work through a higher-level library.

ethers-kt is an async Kotlin library for interacting with EVM chains, targeting the JVM and Android. Kotlin builders use it to read contracts and send transactions from server or mobile code.

ethkit is a Go toolkit for building Ethereum applications from the team behind the Sequence JavaScript SDK. Go builders import it for wallet handling, ABI work, and RPC calls.

headlong is a Java library for encoding and decoding contract ABI calldata and RLP, tuned for throughput in JVM services. Java builders add it when a backend has to process a high volume of Ethereum calls.

hs-web3 is a Haskell library for talking to Ethereum nodes, with contract ABI code generation through Template Haskell. It is the route to Ethereum for builders working in Haskell.

multicall.py is a Python client that batches many contract calls into a single Multicall aggregate call. Python builders install it to turn hundreds of reads into one RPC request.

ruint is a const-generic unsigned integer type for Rust that represents Ethereum's 256-bit words, and it sits under Alloy and Reth. Rust builders add it directly when they need fixed-width big integers.

rust-web3 is a Rust implementation of the web3 JSON-RPC client with pluggable transports. It predates Alloy and carries no deprecation notice.

Safe Protocol Kit is the TypeScript SDK of safe-core-sdk for building, signing, and executing Safe multisignature transactions. Builders use it to drive Safe accounts from application or script code.

safe-eth-py is the Python SDK from the Safe team for building, signing, and relaying Safe multisig transactions. Python builders use it to drive Safe accounts from backend code.

Voltaire ist eine moderne, universelle Ethereum-Bibliothek für TypeScript, Zig, C und Swift. Typsichere Primitive, WASM-beschleunigte Leistung und für KI-gestützte Entwicklung konzipiert.

w3 is a modular Go JSON-RPC client for Ethereum with first-class ABI support and request batching. Go builders import it when contract calls should be typed and many requests sent in one batch.

web3.swift from Argent is a Swift library covering Ethereum RPC calls, ABI encoding, and transaction signing. iOS and macOS builders use it to talk to Ethereum from native applications.

web3dart is an Ethereum client library for Dart and Flutter covering JSON-RPC calls, contract bindings, and local transaction signing. Flutter builders use it as the general client for mobile applications.

Zabi ist eine Zig-Bibliothek zur Interaktion mit Ethereum und anderen EVM-Chains, die JSON-RPC-Clients, ABI-Dienstprogramme, Signierer und Wallet-Primitive bereitstellt.

Multicaller von Vectorized ist eine Sammlung gasoptimierter Verträge im Multicall-Stil, die beliebige externe Aufrufe bündeln und dabei den ursprünglichen msg.sender-Kontext für jeden Aufgerufenen beibehalten, wodurch komplexe Router- oder Aggregator-Abläufe auf EVM-Chains günstiger und sicherer werden.

libethc ist eine quelloffene Ethereum-Bibliothek für C/C++

go-ethereum ships Go packages for Ethereum development, including the ethclient RPC client, account and key handling, and abigen for type-safe contract bindings. Go builders import them to talk to nodes and call contracts from generated code.

Ein leichtgewichtiger Bloom-Filter-Client, mit dem Sie ethereum blooms für schnelle Überprüfungen der Mengenzugehörigkeit testen können.

Automatisieren Sie Ihre Smart Contracts mit dem Automate SDK

The ethereumjs monorepo holds core JavaScript primitives for Ethereum, including transaction signing, an EVM implementation, RLP encoding, tries, and shared utilities. JavaScript builders import individual packages when they need protocol-level pieces rather than a full client library.

abitype provides strict TypeScript types and static inference for Ethereum ABIs, and it is the type layer under viem and wagmi. TypeScript builders import it when contract calls should be checked against the ABI at compile time.

primitive-types provides the shared Rust U256, H160, and H256 types used across Ethereum and Substrate node and tooling codebases. Rust builders add it when their code has to carry Ethereum-sized integers and hashes.

ox is a low-level TypeScript library of Ethereum primitives covering ABI, RLP, hex, signing, and transactions, and it sits under viem and other wevm tools. Builders import it directly when they want the primitives without the client layer.

Curvegrid MultiBaas ist eine gehostete Steuerungsebene mit REST-APIs für die Bereitstellung und den Betrieb von Multi-Chain-EVM-Backends, wenn Sie verwaltete Schlüssel, Indizierungs-Hooks und Dashboards wünschen, ohne alle Operationen intern aufbauen zu müssen.

Wagmi ist eine React-Hook-Schicht auf Viem zum Lesen, Schreiben und Zwischenspeichern des Ethereum-Zustands in Frontends, ohne die Wallet-Infrastruktur für jedes Projekt neu aufbauen zu müssen.

Impersonator.xyz ermöglicht es Entwicklern, sich über WalletConnect, einen Iframe-Shim oder eine Browsererweiterung mit Dapps zu verbinden und sich dabei als beliebige Adresse auszugeben, ohne private Schlüssel zu besitzen. Dies ist ideal für QA-Teams, die Guthaben in der Vorschau anzeigen, Aufrufdaten für Tenderly-Simulationen erfassen oder Wallet-Abläufe sicher auf Regressionen testen müssen.

Swiss-Knife fasst alle nützlichen EVM-Tools an einem Ort zusammen, um die Entwicklererfahrung beim Debuggen oder Erstellen neuer Dinge zu erleichtern.

ant-design-web3 is a React component library from the Ant Design team for wallet connection and account interfaces. Builders drop it into a React application as an alternative to RainbowKit or ConnectKit.

Nexth is a Next.js starter kit wired up with viem, wagmi, Sign-In with Ethereum, and Tailwind. Builders clone it to start from a working frontend rather than assembling the same pieces again.

OnchainKit is a set of React components from Coinbase for wallets, transactions, identity, and other onchain interfaces. React builders use it to assemble an onchain frontend from prebuilt pieces.

One Click Dapp generates a hosted web interface for a deployed contract from its ABI and address. Builders use it to give a contract a usable interface without writing frontend code.

Human Passport aggregates identity credentials, called Stamps, into one Unique Humanity Score per wallet, so projects can check that an address is a distinct person before an airdrop, grant round, vote or signup. Read scores from the REST API or drop in the Passport Embed React component.

thirdweb ist eine quelloffene Full-Stack-Web3-Entwicklungsplattform mit Frontend-, Backend- und Onchain-Tools zur Erstellung vollständiger Web3-Apps – auf jeder EVM-Chain.

Das Modular Account von Alchemy ist ein maximal modulares, aktualisierbares Smart-Contract-Konto, das mit ERC-4337 und ERC-6900 kompatibel ist. Das Modular Account von Alchemy ist das effizienteste Smart Account auf dem Markt, mit der Veröffentlichung von v2 im Februar 2025.

EAS ist ein öffentliches Gut der Infrastruktur, um Attestierungen onchain oder offchain über alles Mögliche vorzunehmen. Attestierungen sind digitale Signaturen auf strukturierten Daten, die verwendet werden, um online und onchain mehr Vertrauen aufzubauen.

TypeScript-Bibliothek zum Signieren und Verifizieren von HTTP-Anfragen mit Ethereum-Wallets unter Verwendung von ERC-8128 (RFC 9421 HTTP Message Signatures-Erweiterung), was Wallet-basierte Authentifizierung und Anfrageintegrität ermöglicht.

Coinbase Wallet SDK connects applications to Coinbase Wallet through the injected provider and the mobile WalletLink flow. Builders use it to support Coinbase Wallet users on web and mobile.

ConnectKit provides React wallet-connection components built on wagmi. React builders drop it in when they want prebuilt connect buttons and modals for an application.

Dynamic is an SDK covering wallet connection, embedded MPC wallets, and application authentication. Builders choose it when an application must serve both existing wallet users and new users who need one created.

ethr-did-resolver resolves decentralized identifiers anchored to Ethereum addresses. Applications that handle ethr identifiers install it to look up and manage those records.

Magic is an embedded non-custodial wallet SDK with email and social login and delegated key management. Builders integrate it to give users a wallet behind a familiar login flow.

MetaMask Connect is the SDK that connects web, mobile and game applications to the MetaMask wallet, replacing the deprecated MetaMask SDK with direct wallet communication and multichain support. Builders install the connect-evm package to reach MetaMask users from any frontend.

mipd is a set of TypeScript utilities implementing EIP-6963 multi injected provider discovery for detecting installed browser wallets. Builders install it on its own when they need wallet discovery without pulling in wagmi.

Privy provides embedded wallet and authentication SDKs with configurable custody and signing permissions. Builders use it to create wallets during sign-up and support email, social, or passkey login.

Web3-Onboard is a framework-agnostic wallet-connection library supporting more than 35 wallets and the EIP-1193, 1102, 3085 and 3326 standards, started by Blocknative and now maintained by thirdweb. Builders install it when the frontend is not React or must cover many wallet providers.

Web3Auth is an MPC and threshold key-management SDK that backs seedless wallets created from a social login. Builders use it when users should sign in with an existing account instead of a seed phrase.

React Native Passkeys stellt eine WebAuthn-förmige Passkey-API für iOS-, Android- und Web-Ziele bereit, sodass Sie bestehende Authentifizierungs-Backends wiederverwenden können, während Sie native mobile Wallet- oder Verbraucher-Apps ausliefern.

Variance_dart ist ein Dart-SDK-Stack für Passkey-First-Wallets, EIP-1271-Signierabläufe und ENSIP-15-Normalisierung, wenn Sie Flutter- oder mobile Clients für EVM-Chains bereitstellen.

Passwortloses Web3-Authentifizierungs-SDK mit verschlüsselten Wallets und Datenschutzfunktionen.

RainbowKit is a customizable React wallet-connection interface built on wagmi. React builders add it when an application needs a ready-made connect flow instead of wiring wallet selection by hand.

Reown AppKit, formerly Web3Modal and the WalletConnect SDK, is a wallet-connection SDK with a hosted relay, support for over 700 wallets, and embedded logins. Application builders use it to cover both external wallets and embedded sign-in from one integration.

noble cryptography ist eine Familie von kryptographischen TypeScript-Bibliotheken mit minimalen Abhängigkeiten, die lesbaren Quellcode, signierte Releases und transparente npm-Builds priorisieren. Sie bilden die Grundlage für die meisten modernen JavaScript-Wallets, einschließlich MetaMask, Rabby, Rainbow und vieler SDKs im gesamten Ökosystem.

The Ledger hw-app-eth package is the JavaScript API for signing Ethereum transactions and messages with a Ledger device, and it sits behind the Ledger connectors in wagmi and viem. Wallet and application builders import it to add hardware wallet signing.

noble secp256k1 is a standalone pure JavaScript library for secp256k1 signing and ECDH, used by many wallets and libraries. Builders install it on its own when they need signing without the wider noble curves package.

eciesjs implements the Elliptic Curve Integrated Encryption Scheme for secp256k1 in JavaScript. Builders import it to encrypt and decrypt data against an Ethereum-style keypair.

eth-crypto is a set of JavaScript helpers for signing, verifying, recovering addresses, and ECIES encryption alongside ethers or web3. Builders import it for one-off cryptographic steps that the client libraries do not expose directly.

eth-keys is a Python library for secp256k1 keys and signatures, and it sits under eth-account and web3.py. Python builders import it when they need key and signature operations directly.

The Fireblocks SDK connects applications to Fireblocks' MPC wallet infrastructure for signing, transfers, and treasury operations. Builders use it to automate transactions and approval policies for wallets managed through Fireblocks.

keypo is a local-first command line tool for hardware-bound key management and encrypted secret storage, aimed at AI agents that hold credentials. It installs from a Homebrew tap on macOS.

Lit Protocol is a decentralized network for threshold key management with programmable signing through its programmable key pairs. Builders use its SDK when signing or decryption should follow rules enforced by a network rather than a single key holder.

The OKX js-wallet-sdk is a TypeScript signature SDK covering Bitcoin, Ethereum, Solana, Cosmos, and other chains. Builders install it to derive keys and sign transactions for several chains through one API.

Trezor Connect is a JavaScript SDK for integrating Trezor hardware wallet signing, including Ethereum, into applications and wallets. Builders use it when users should sign with a Trezor device.

Turnkey offers an API and SDK for secure key generation and transaction signing backed by trusted execution environments. Builders use it to create and operate wallet infrastructure without holding raw private keys in their own code.

Web3Signer is a remote signing service that keeps keys in a vault or hardware security module. Node and validator operators run it so signing happens outside the client process.

blst is a multilingual BLS12-381 signature library and the BLS implementation behind most Ethereum consensus clients. Builders link against it in Rust, C, or Go when writing validator or consensus tooling.

py_ecc is a Python library for elliptic curve pairing operations over bn128 and BLS12-381, used by py-evm and other Python tooling. Builders import it for precompile or BLS work in Python.

js-ethereum-cryptography is an audited JavaScript package bundling the hashing and curve primitives that tooling such as ethers.js and web3.js builds on. Builders install it directly when they need keccak, secp256k1, or BIP-39 work without a full client library.

mcl from herumi is a portable pairing-based cryptography library used for BLS signature operations by several Ethereum consensus clients. Builders link against it for BLS work in C++ or Go.

c-kzg-4844 is the reference C implementation, with Rust bindings, of the KZG polynomial commitment scheme used for EIP-4844 and EIP-7594 blobs, and it is embedded in most execution and consensus clients. Rollup and blob tooling imports the bindings to produce KZG commitments and proofs.

k256 from RustCrypto is a pure Rust secp256k1 implementation covering ECDSA signing, verification, public key recovery, Schnorr, and ECDH, and it sits under reth, Alloy, and most Rust tooling. Rust builders depend on it directly when they handle signatures themselves.

micro-eth-signer is a minimal JavaScript library for building and signing Ethereum transactions, built on the audited noble cryptography libraries by the same author. Builders install it when a small signing dependency matters more than a full client library.

coins-bip32 is a Rust library for BIP-32 hierarchical deterministic key derivation, used by ethers-rs and other Rust wallets and signers. Rust builders add it when an application derives keys from a seed.

Mit diesem Setup können Ökosysteme maßgeschneiderte 4337-Chain-Abstraction-Infrastruktur bereitstellen. Sie werden zu Liquidity Providern (LPs) für ihre Benutzer und teilen mit ihnen den Wert, der andernfalls von Solvern/Fillern abgeschöpft worden wäre.

Rundler ist Alchemys modularer Rust-ERC-4337-Bündler, der auf horizontal skalierte Bereitstellungen abzielt; viele Ethereum-Benutzeroperation-Workloads laufen heute darauf.

Skandha ist der TypeScript-ERC-4337-Bündler von Etherspot, der die Einreichung von Benutzeroperationen, die Gasabrechnung und das Mempool-Routing mit optionalem MEV-Schutz und Shared-Mempool-Kompatibilität optimiert, und Etherspot betreibt diesen Shared-Mempool-Stack in der Produktion.

Möglichkeit, viele konstante ethereum-Funktionsaufrufe in 1 JSONRPC-Anfrage aufzurufen

Alchemy aa-sdk, shipped as Account Kit, is a full-stack smart wallet SDK with embedded wallets and a gas manager. Application builders use it to give users an account and sponsored transactions without a separate wallet app.

Arka is the open-source paymaster service from Etherspot for sponsoring transaction gas. Builders self-host it when gas sponsorship for ERC-4337 accounts should run on their own infrastructure.

Base Account SDK is Coinbase's package for Base Account, a smart-contract wallet with passkey signing and gasless transactions. Web builders install it to add passkey sign-in and sponsored transactions, separate from the older Coinbase Wallet SDK.

The Biconomy SDK, published as AbstractJS for the Nexus account, builds ERC-4337 smart accounts with paymaster and bundler services. Builders use it when an application needs sponsored or gasless transactions.

Coinbase Smart Wallet is a passkey-based smart account with the largest share of deployed wallets. Application builders integrate it so users sign with a passkey instead of managing a seed phrase.

Gelato is a hosted network that provides a bundler, paymaster and relay for smart accounts together with Web3 Functions for scheduled and event-driven contract execution. Builders use it to run gasless transactions and contract automation without operating those services themselves.

Ithaca Account is the set of EIP-7702 smart account contracts behind Porto, an account standard for web authentication and payments. Teams picking an EIP-7702 implementation can read, fork, or deploy these contracts.

Kernel from ZeroDev is a modular ERC-7579 smart-account contract with wide deployment. Wallet builders deploy it when an account needs pluggable validators and executors.

The MetaMask Delegation Framework, known as Gator, is a set of contracts that let one account grant specific revocable permissions to another account or agent along the lines of ERC-7715 and ERC-7710. Teams building delegated or agent-controlled permissions import these contracts and write their own caveat enforcers against them.

Nexus from Biconomy is a modular ERC-7579 smart-account contract aimed at high-volume applications. Wallet builders deploy it as the account implementation behind their smart wallets.

Particle Network is a hosted wallet-abstraction stack that bundles a bundler, paymaster, and social login. Builders choose it when they want account creation, login, and transaction sponsorship from one service.

Rhinestone ModuleKit is a Solidity framework for building and testing ERC-7579 modules. Builders use it when writing validators, executors, or hooks for modular smart accounts.

The Safe 4337 module adds native ERC-4337 support to Safe multisig accounts. Safe builders install it so an existing multisig can be driven by user operations through a bundler.

safe7579 from Rhinestone is an adapter that makes Safe accounts ERC-7579 compliant. Builders add it when they want portable ERC-7579 modules to run on a Safe, usually alongside the Safe 4337 module.

Sequence, published as 0xsequence, is a smart-contract wallet SDK with embedded wallets, a relayer, an indexer, and gasless transactions. Builders use it when a game or application needs wallets and transaction plumbing from one stack.

The ZeroDev SDK is a smart-account SDK for the Kernel account with modular validators and session keys. Account-abstraction builders use it to create Kernel accounts and delegate limited signing rights to sessions.

Eine Reihe von leichtgewichtigen, quelloffenen, geprüften und gasoptimierten ERC-4337-kompatiblen Smart-Contract-Konten mit designiertem Eigentum

Voltaire ist eine ERC-4337-Bündler-Implementierung, die Sie ausführen können, wenn Sie eine konfigurierbare Weiterleitung von Benutzeroperationen für Wallets mit Kontoabstraktion benötigen.

executooor konzentriert sich auf ein wiederverwendbares Executor-Vertragsmuster, sodass Skripte Delegate-Aufrufe, Token-Genehmigungen und atomare Onchain-Schritte über Viem oder Ethers verketten können, ohne jedes Mal maßgeschneiderte Router neu bereitzustellen.

AbstractionKit ist eine TypeScript-Hilfsbibliothek zum Verknüpfen von ERC-4337-Abläufen – Benutzeroperationen, Paymastern und Bündler-Aufrufen –, ohne das Wire-Protokoll von Grund auf neu implementieren zu müssen.

Das Gelato Relay SDK umhüllt die Relayer von Gelato, sodass Frontends Meta-Transaktionen, gesponserte Gas-Abläufe oder geplante Aufrufe einreichen können, ohne eine eigene Bündler-Flotte betreiben zu müssen.

The eth-infinitism account-abstraction repository holds the reference ERC-4337 contracts, including SimpleAccount, plus a TypeScript SDK from the authors of the specification. Builders use it as the baseline implementation when creating ERC-4337 accounts.

permissionless.js from Pimlico is a vendor-neutral TypeScript library built on viem for ERC-4337 accounts. TypeScript builders use it to assemble and submit user operations while keeping the choice of bundler and paymaster open.

Alto is a TypeScript ERC-4337 bundler from Pimlico that also runs behind their hosted service. Infrastructure builders run it themselves when they need to operate a bundler instead of relying on a third party.

Crossmint offers stablecoin APIs aimed at enterprises, including cross-chain flows. Builders use it to add stablecoin payments to an application without building the payment rails.

eth-prices is a Rust crate that estimates the price of an Ethereum asset by reading Uniswap V2 and V3 pools and ERC-4626 vaults through an RPC provider, with no exchange rate API involved. Rust builders add it when a price should be derived from onchain liquidity rather than read from an oracle feed.

The Lido Ethereum SDK is the official package for staking and managing stETH and wstETH through the Lido protocol. Builders install it to add staking to an application without writing the Lido contract calls by hand.

The Machine Payments Protocol SDK, published as mppx by the wevm team behind viem and wagmi, is a TypeScript implementation of an agent payments specification. Builders install it to let a service or agent pay and charge programmatically.

Request Network is a protocol and JavaScript library for creating, paying, and tracking crypto invoices and payment requests onchain. Builders install the client library to add invoicing to their own application.

Stripe Crypto Onramp is an embeddable fiat-to-crypto onramp SDK for web, iOS, Android, and React Native that delivers purchased crypto to a user's wallet. Builders embed it so users can fund a wallet with a card instead of transferring in.

web3-ethereum-defi is a Python library for DeFi integration and data research, with wrappers for Uniswap, Aave, Chainlink, and USDC on top of web3.py. Python builders import it instead of writing those protocol wrappers themselves.

x402 is an open payments protocol built on the HTTP 402 status code that lets an application or agent pay per request in stablecoins without accounts or API keys. Builders add its middleware to a service to charge per call, or to a client so it can pay.

Snapshot begann als gaslose Offchain-Governance für DAOs mit flexiblen Abstimmungsstrategien und Validierungs-Plugins, und das Team startete später Snapshot X, einen modularen Onchain-Abstimmungs-Stack, der die Ausführung vertrauensminimiert hält und gleichzeitig Gas durch clevere Beweise und kettenübergreifende Abstimmungsmacht-Abrechnung minimiert.

Aragon OSx ist eine Onchain-DAO-Framework-Infrastruktur zum Starten modularer Organisationen, die Schatzkammern und Protokollparameter mit geprüften Vertragsprimitiven verwalten.

Agora is an onchain governance application used by protocols including Optimism, ENS, and Uniswap to run delegate voting. It is a Next.js application a DAO deploys rather than a library a builder imports.

DAOhaus bietet quelloffene Tools zum Starten und Betreiben von DAOs mit modularen Verträgen, Apps und Community-Governance-Workflows.