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Client-Bibliotheken & SDKs (Frontend)

Sprachspezifische Bibliotheken und SDKs zur Interaktion mit Ethereum-Nodes, -Verträgen und -Protokollen.

Highlights

Web3j is the Java and Android integration library for Ethereum. Created in 2016, and still going strong in 2025 it is core plumbing to Ethereum for one of the world's most widely used development platforms, the JVM. It has been downloaded millions of times, and is used by everyone including Enterprises such as J.P. Morgan, Fnality and NTT Data Web3 infrastructure companies such as Alchemy The Besu Ethereum Execution client It's even been integrated natively into the Android OS by Freedom Factory in ethOS which powers the upcoming Ethereum phone the DGEN1 We decided in 2024 to bring Web3j into the Hyperledger Foundation, which provides high-quality governance of open source (similar to the Apache Foundation). It's still, the same team at Web3 Labs responsible for maintaining and supporting the library for its wide and varied user base. The Hyperledger association is great for visibility, but doesn't provide any funding for the project! We rely on grant funding to sustain this library and hopeful to qualify for this RPGF round. Unfortunately, we missed out on OP RPGF 3 as we had not realised projects were eligible for multiple rounds so did not apply following our success in OP RPGF 2. 🙏🏻

Web3j
Client-Bibliotheken & SDKs (Frontend)

Web3j

Governance · CLI

Viem is the most used modern TypeScript Interface for Ethereum. Viem provides robust, performant, and type-safe modules to be the foundation for building Web Applications, TypeScript Libraries, Wallets, Backends, Indexers, Scripts, and more, on top of Ethereum (and the OP Stack). With over 3 million monthly downloads, Viem is used in production by most at-scale projects like Coinbase, Uniswap, Optimism, Polymarket, Zora, Opensea, WalletConnect, Farcaster, Rainbow, and so much more.

Viem: TypeScript Interface for Ethereum
Client-Bibliotheken & SDKs (Frontend)

Viem: TypeScript Interface for Ethereum

JSON-RPC · Typsicher · Hardhat

web3.py is the open source library that connects Python developers to Ethereum. The same team maintains more than a dozen additional building blocks including py-evm, eth-account, and eth-utils.

web3.py
Client-Bibliotheken & SDKs (Frontend)

web3.py

Transaktionssignierung · Community-gesteuert · Testing

Anwendungen

Anzeigen (42)

libethc

libethc

Transaktionssignierung · ABI-Kodierung

evmstate

evmstate

Analysen · Speicherlayout

Tevm

Tevm

Frontend · Benutzererfahrung

Superbeam

Superbeam

Cross-Chain · SDK

OpenRPC

OpenRPC

JSON-RPC · CLI · page-developers-tools-tag-standards-and-specifications

alloy

alloy

JSON-RPC

React Native Passkeys

Authentifizierung

Stereum L2 Optimism Integration

Stereum L2 Optimism Integration

CLI · Docker · API · Datenschutzorientiert

simple-uniswap-sdk

DeFi · SDK · Multicall · Benutzererfahrung

Loop Decoder

Loop Decoder

Transaktionsdekodierung

keccak256js

keccak256js

Verschlüsselung

Derive Exchange SDK and Vault Executors

Derive Exchange SDK and Vault Executors

DeFi · Docker · CLI

Black Scholes library/compiler - go and rust

Black Scholes library/compiler - go and rust

DeFi · Gas-Optimierung

noble cryptography

Wallet · Sicherheit · Verschlüsselung

UTP Java Library

Vernetzung · Peer-to-Peer · Echtzeitdaten

IPFS

IPFS

Peer-to-Peer · Zensurresistent · CLI

Gelato Relay SDK

Sicherheit · SDK

Gelato Automate SDK

Gelato Automate SDK

SDK · Vertragsinteraktion

MerkleTreeJS

MerkleTreeJS

Merkle-Trees

RainbowKit Theme Generator

RainbowKit Theme Generator

Frontend

Wagmi: Reactive primitives for Ethereum apps

Wagmi: Reactive primitives for Ethereum apps

React · Wallet · Transaktionssignierung · Community-gesteuert

Web3j

Web3j

Governance · CLI

Ethers.js

Ethers.js

Frontend · JSON-RPC · Vertragsinteraktion

Callthis

Callthis

Frontend · Wallet · Cross-Chain · Datenschutzorientiert · Zensurresistent

Remix Project

Remix Project

Bildung · Frontend · Cross-Chain · Solidity · Community-gesteuert

WhatsABI

WhatsABI

ABI-Kodierung

ABIExplorer

ABIExplorer

Vertragsinteraktion

GDWeb3

GDWeb3

Spieleentwicklung

web3.py

web3.py

Transaktionssignierung · Community-gesteuert · Testing

thirdweb

thirdweb

Frontend · Cross-Chain · API · Chains · Echtzeitdaten

Clear Wallet

Clear Wallet

Wallet · Frontend · Datenschutzorientiert

Rust Libp2p

Rust Libp2p

Docker · Community-gesteuert

js-libp2p

js-libp2p

libp2p · Verschlüsselung · GossipSub

go-libp2p

go-libp2p

Governance · libp2p · Peer-to-Peer · Vernetzung · Verschlüsselung · GossipSub · Community-gesteuert

Revm

Revm

Community-gesteuert

Viem: TypeScript Interface for Ethereum

Viem: TypeScript Interface for Ethereum

JSON-RPC · Typsicher · Hardhat

ZK Email

ZK Email

Frontend · Modulare Konten · SDK · Datenschutzorientiert · Benutzererfahrung · Solidity

Ethereum Attestation Service (EAS)

Ethereum Attestation Service (EAS)

Governance · SDK

Frames.js

Frames.js

Frontend · Farcaster · React · Next.js

OrbitDB

Peer-to-Peer · Zensurresistent

ethereum.rb

SDK

Voltaire

Vertragsinteraktion · Typsicher · JSON-RPC

Andere Anwendungskategorien

Cross-Chain & Interoperabilität

Werkzeuge, die Messaging, Asset-Transfers und Shared State über das Ethereum Mainnet, Rollups und andere Blockchains hinweg ermöglichen.

Transaktions- & Wallet-Infrastruktur

Infrastruktur zum Erstellen, Signieren, Senden, Simulieren und Verwalten von Ethereum-Transaktionen und Wallets.

Daten, Analyse & Tracing

Indexierungs-, Abfrage-, Analyse- und Tracing-Werkzeuge für On-Chain-Daten, Ausführungen und Netzwerkaktivitäten.

Bildungs- & Community-Ressourcen

Lernmaterialien, Dokumentation, Tutorials und Community-Plattformen für Ethereum-Builder.

Smart-Contract-Entwicklung & Toolchains

Frameworks und Werkzeuge zum Schreiben, Testen, Bereitstellen und Aktualisieren von Smart Contracts.

Sicherheit, Testing & formale Verifizierung

Werkzeuge für Auditing, Testing, Fuzzing und Verifizierung zur Verbesserung der Sicherheit und Korrektheit von Smart Contracts.