JSPM

Multi-chain cryptocurrency SDK for TypeScript — unified API for Bitcoin, Ethereum, Litecoin, Dogecoin, Bitcoin Cash, Polygon, Arbitrum, and any EVM-compatible chain. Create wallets, query balances, send transactions, and manage tokens and NFTs across UTXO

SDK for EVM chains, used in conjunction with @wormhole-foundation/sdk

SDK for EVM chains, used in conjunction with @wormhole-foundation/sdk

SDK for EVM chains, used in conjunction with @wormhole-foundation/sdk

SDK for EVM chains, used in conjunction with @wormhole-foundation/sdk

SDK for EVM chains, used in conjunction with @wormhole-foundation/sdk

SDK for EVM chains, used in conjunction with @wormhole-foundation/sdk

SDK for EVM chains, used in conjunction with @wormhole-foundation/sdk

Moralis SDK for JavaScript and TypeScript

SDK for EVM chains, used in conjunction with @wormhole-foundation/sdk

SDK for EVM chains, used in conjunction with @wormhole-foundation/sdk

SDK for Stacks chains, used in conjunction with @wormhole-foundation/sdk

This SDK contains tools for developing for the [Joe V2](https://www.traderjoexyz.com) protocol, which utilizes the Liquidity Book architecture.

This repo contains tools for developing with [TraderJoe XYZ](https://www.traderjoexyz.com).

Swiss open data MCP server — 68 tools across 20 modules. Zero API keys.

Unified x402 payment SDK for Solana, Base, Avalanche, SKALE Base, SKALE BITE, Polygon, and Ethereum. Automatic 402 handling with zero gas fees.

Browser-safe SDK for Suzaku KiteStaking operations on Avalanche

🛠 An SDK for building applications on top of Trader Joe.

Multi-EVM agent wallet SDK with unified holdings discovery, onchain identity (ERC-8004), x402 payments, cross-chain liquidity (Li.Fi + Gas.zip), prediction markets, DeFi, and perpetual futures

Core contracts for the Trader Joe protocol

Tiny Floating-Point Universal Hash

A TypeScript SDK for interacting with the Avalanche network through JSON-RPC APIs. This SDK provides a comprehensive set of tools to interact with all Avalanche chains (P-Chain, X-Chain, C-Chain) and various APIs, including wallet functionality for transa

🛠 An SDK for building applications on top of Pangolin.

Full-stack x402 SDK - add paid API monetization to any endpoint. Express middleware, React hooks, Access Pass, dynamic pricing. Solana, Base, Polygon, Arbitrum, Optimism, Avalanche, SKALE.

Agent wallet SDK for Avalanche + Arena — 91 MCP tools, admin CLI, vault daemon, skill packs. No backend needed.

Ledger Hardware Wallet Avalanche API

Model Context Protocol server providing access to Tatum's comprehensive blockchain API across 130+ networks with 13 tools

MCP server for the Avalanche.org Public API map-layer endpoints

MCP server for multi-chain EVM blockchain data with companion smart contracts

accept crypto payments on your website and apps in 3 mins

MCP server for Logiqical — AI agent trading infrastructure on Avalanche

Community-maintained registry of Avalanche L1 chains

A Multichain crypto wallet library that supports Ethereum, Bitcoin, Solana, Waves and other EVM compatible blockchains E.g. Binance Smart Chain, Polygon, Avalanche etc.

🧊 HODL Wallet - Fast CLI crypto wallet!

Fluid width, responsive grid system

n8n community node for Crypto APIs — blockchain infrastructure for 15+ protocols

Wit/Oracle Solidity Framework for EVM-compatible chains

List of tokens on Ethereum and Ethereum-compatible chains

A command line interface for Avalanche APIs

Spacing sizes

The idexo sdk

React SDK for AvaCloud Wallet as a Service

SDK for EVM chains, used in conjunction with @wormhole-foundation/connect-sdk

Multi-chain DEX router SDK for no-split pathfinding, calldata generation, and USD quotes across EVM chains.

Sign in with Avalanche for the Internet Computer

Colors

n8n node for accessing multiple blockchain networks (Ethereum, BSC, Polygon, Fantom, Avalanche, Arbitrum, Optimism, etc.) with comprehensive analytics and data retrieval capabilities

TypeScript SDK for Ayni Trust Oracle API (Avalanche) — query trust scores with API key or x402 micropayments

Add vertical spacing to all child elements

SDK for EVM chains, used in conjunction with @wormhole-foundation/connect-sdk

SDK for EVM chains, used in conjunction with @wormhole-foundation/connect-sdk

Media object - image on left/right, text next to it

Embeddable DEX aggregator widget for Avalanche — earn 0.25% on every swap with partner fee sharing

Boba CLI — AI agent trading toolkit

Production-ready RPC management library with load balancing, exponential backoff, and support for 15+ EVM chains. Features TypeScript-first design, WebSocket support, and intelligent failure handling.

SDK for EVM chains, used in conjunction with @wormhole-foundation/connect-sdk

Font sizes

Width classes

🚀 The most powerful DEX aggregator SDK on Avalanche by SnowMonster DeFi. Get the best swap rates across Trader Joe, Pangolin & more with a single API call. Features React hooks, TypeScript support, and partner fee sharing up to 0.50%.

Multi-chain configuration utilities for EVM networks with USDC support

All-in-one toolkit for building staking dApps on Avalanche

Breakpoint sizes

MCP server for AgentWallet — lets AI agents create wallets, sign transactions, broadcast on EVM + Solana, pay x402 invoices, and accept x402 payments

Encrypted on-chain coordination SDK for wallets, applications, services, and agents.

🛠 An SDK for building applications on top of Pangolin.

Box sizing reset

Basic container class to limit the max-width of the layout and add some padding

🚀 The most powerful DEX aggregator SDK on Avalanche by SnowMonster DeFi. Get the best swap rates across Trader Joe, Pangolin & more with a single API call. Features React hooks, TypeScript support, and partner fee sharing up to 0.50%.

SDK for EVM chains, used in conjunction with @wormhole-foundation/connect-sdk

Validate cryptocurrency and blockchain addresses offline — Bitcoin, Ethereum, Solana, Monero, XRP, Cardano, Avalanche, NEAR, Aptos, Zcash, Tron and more. Regex + cryptographic checksum verification, TypeScript-first, zero network calls.

Core contracts for the Polarfox DEX.

MCP Server for slush.meme — AI-native meme coin launchpad on Avalanche. Real on-chain trading, token deployment, portfolio tracking, and risk scoring.

SDK for EVM chains, used in conjunction with @wormhole-foundation/connect-sdk

Tools for Alligator Exchange

SDK for EVM chains, used in conjunction with @wormhole-foundation/connect-sdk

SDK for EVM chains, used in conjunction with @wormhole-foundation/connect-sdk

🏂 An SDK for building applications on top of RELAY Exchange.

Alpine utility animations built with GreenSock

JavaScript SDK and CLI tool for x402 Facilitator Network - Make gasless USDC payments on multiple chains

🛠 An SDK for building applications on top of Elk Finance.

Open-source collection of verified price data using Witnet on supported blockchains.

Avalanche controller for safle vault.

🛠 An SDK for building applications on top of Arcanum.

SDK for EVM chains, used in conjunction with @ultronswap-wormhole/sdk

High-level library for creating cryptocurrency bots.

Buttons

CLI for the avalanche framework

🛠 An SDK for building applications on top of Joe DeFi.

SDK for EVM chains, used in conjunction with @wormhole-foundation/connect-sdk

SDK for EVM chains, used in conjunction with @ultronswap-wormhole/sdk

Box off content

TypeScript SDK for the Papre API — composable agreement infrastructure

Cross-chain payment receipt SDK for Avalanche Subnets using Teleporter

A library for consuming, verifying and using randomness from the dcipher network

Spacing utility classes

🛠 An SDK for building applications on top of Pangolin.

A minimalist eCash (XEC) wallet npm library, for use in web apps. Supports eTokens.

SDK for EVM chains, used in conjunction with @wormhole-foundation/sdk

SDK for Stacks chains, used in conjunction with @wormhole-foundation/sdk

SDK for EVM chains, used in conjunction with @wormhole-foundation/sdk

SDK for EVM chains, used in conjunction with @ultronswap-wormhole/sdk

🛠 An SDK for building applications on top of Pangolin.

SDK for EVM chains, used in conjunction with @wormhole-foundation/sdk

A Multichain crypto wallet library that supports Ethereum, Bitcoin, Solana, Waves and other EVM compatible blockchains E.g. Binance Smart Chain, Polygon, Avalanche etc.

This SDK contains tools for developing for the [Joe V2](https://www.traderjoexyz.com) protocol, which utilizes the Liquidity Book architecture.

SDK for EVM chains, used in conjunction with @wormhole-foundation/sdk

SDK for EVM chains, used in conjunction with @wormhole-foundation/sdk

Cross-chain ZK proof system using Circom, snarkjs, and Solidity smart contracts with Teleporter bridge integration for Avalanche subnets

SDK for EVM chains, used in conjunction with @wormhole-foundation/sdk

SDK for EVM chains, used in conjunction with @wormhole-foundation/sdk

SDK for EVM chains, used in conjunction with @wormhole-foundation/sdk

Web3 Crypto Payment

JavaScript SDK and CLI tool for x402 Facilitator Network - Make gasless USDC payments on multiple chains

SDK for EVM chains, used in conjunction with @ultronswap-wormhole/sdk

SDK for EVM chains, used in conjunction with @ultronswap-wormhole/sdk

🛠 An SDK for building applications on top of Whaleswap.

TypeScript SDK for Ferdy.bet on-chain casino on Avalanche and MegaETH

Offset classes

🛠 An SDK for building applications on top of Pangolin.

Model Context Protocol server providing access to Tatum's comprehensive blockchain API across 130+ networks with 13 tools

SDK for EVM chains, used in conjunction with @ultronswap-wormhole/sdk

Moralis SDK for JavaScript and TypeScript

SDK for EVM chains, used in conjunction with @ultronswap-wormhole/sdk

A Multichain crypto wallet library that supports Ethereum, Bitcoin, Solana, Waves and other EVM compatible blockchains E.g. Binance Smart Chain, Polygon, Avalanche etc.

🛠 An SDK for building applications on top of Avaware.Exchange

SDK for EVM chains, used in conjunction with @ultronswap-wormhole/sdk

SDK for EVM chains, used in conjunction with @ultronswap-wormhole/sdk

Font families

This SDK contains tools for developing for the [Joe V2](https://www.traderjoexyz.com) protocol, which utilizes the Liquidity Book architecture.

Text align utility classes

🛠 An SDK for building applications on top of Array.

🛠 An SDK for building applications on top of Pangolin.

TypeScript SDK for Conduit UCPI escrow contracts on EVM

Font family utility classes

Hash designed for floating point hardware. 32, 64 or 128 bit digests.

Contain floats

Multi-EVM agent wallet SDK with onchain identity (ERC-8004), payment rails (x402), agent economy layer (discovery, negotiation, settlement, memory), cross-chain bridging (Li.Fi + Gas.zip), and perpetual futures (dYdX v4)

Maintain aspect ratio

Reorder flex items

Avalanche blockchain plugin for ElizaOS - enables DeFi operations, token transfers, YAK swaps, and yield strategies

Composable Pay kit for merchants and users (Avalanche Fuji USDC payments)

Classes to hide content with accessibility in mind

Create a new agent app with @0xgasless/agent-sdk pre-configured

🛠 An SDK for building applications on top of LibraX.

Crypto phishing & scam list and detector utility for URLs and Smart Contracts

A suite of utilities used to implement bridges based on the Wormhole protocol.

SDK for EVM chains, used in conjunction with @wormhole-foundation/sdk

Align self utility classes

A cryptochain library that supports Ethereum, Bitcoin, Solana, Waves and other EVM compatible blockchains E.g. Binance Smart Chain, Polygon, Avalanche etc.

Official TypeScript SDK for AgentHub Protocol - Build autonomous AI agents on Avalanche

A reusable React component for swapping with Yield Yak Router. The YY Router can be found [here](https://github.com/yieldyak/yak-aggregator).

SDK for synqpay - subscriptions, payments, and access control on Avalanche

WhaleBox.NEWS payment SDK - Add time-priced content monetization to any frontend

Core contracts for the SushiSwap protocol

SDK for EVM chains, used in conjunction with @wormhole-foundation/connect-sdk

An SDK for building applications on top of Polarfox.

This project uses standard npm and yarn workflows.

Create ZK proof cross-chain projects with one command

🛠 An SDK for building applications on top of Array.

Official Node.js SDK for CloseLoop credit billing system

A high-performance blockchain indexer with TypeScript plugin support

🛠 An SDK for building applications on top of Pangolin.

🛠 An SDK for building applications on top of Asteria Finance.

A Multichain crypto wallet library that supports Ethereum, Bitcoin, Solana, Waves and other EVM compatible blockchains E.g. Binance Smart Chain, Polygon, Avalanche etc.

A lightweight JavaScript/TypeScript SDK for web3 operations on the Conduit UCPI Avalanche subnet

🛠 An SDK for building applications on top of Elk for Avalanche.

TypeScript SDK for AI agents to access paywalled content via x402 micropayments

This is the official Alps Finance smart contract repository.

🛠 Avacado core SDK for building applications.

🛠 An SDK for building applications on top of Context.

🛠 An SDK for building applications on top of Pangolin.

🛠 An SDK for building applications on top of YetiSwap.

A comprehensive library for obtaining stablecoin addresses across all major blockchain networks

OneClick TypeScript SDK for passkey-based smart wallets on Avalanche

A Multichain crypto wallet library that supports Ethereum, Bitcoin, Solana, Waves and other EVM compatible blockchains E.g. Binance Smart Chain, Polygon, Avalanche etc.

An SDK for building applications on top of Polarfox.

Complete QuantVestrix QVTX Developer Package - Build infinite throughput blockchain applications with cross-chain rewards and neural storage

ReputeX SDK for JavaScript and TypeScript

An injected connector for core wallet.

ChillMoney AVAX SDK for CCTP transfers from Base/Arbitrum to Avalanche

TypeScript SDK for nftSub - The Web3 Subscription Platform

🛠 An SDK for building applications on top of Rytell.

A zero-knowledge proof SDK for compiling Circom circuits and deploying Solidity verifiers to Avalanche.

Model Context Protocol (MCP) server for Circle's Cross-Chain Transfer Protocol (CCTP) v2 - seamless USDC transfers across multiple blockchains

Crowback middleware SDK for Express/Next.js providers

Crypto phishing & scam list and detector utility for URLs and Smart Contracts

SDK for EVM chains, used in conjunction with @wormhole-foundation/connect-sdk

🛠 An SDK for building applications on top of Pangolin.

Tools for Alligator Exchange

SDK for EVM chains, used in conjunction with @wormhole-foundation/connect-sdk

SDK for EVM chains, used in conjunction with @wormhole-foundation/connect-sdk

Decentralized Cross-Chain Crypto Messaging System

SDK for EVM chains, used in conjunction with @wormhole-foundation/connect-sdk

SDK for EVM chains, used in conjunction with @wormhole-foundation/connect-sdk

🎛 Core contracts for the ArrayV1 protocol

A suite of utilities used to implement bridges based on the Wormhole protocol.

SDK for building applications on top of Canary.

SDK for EVM chains, used in conjunction with @wormhole-foundation/connect-sdk

Model Context Protocol server providing access to Tatum's comprehensive blockchain API across 130+ networks with 13 tools

🛠 An SDK for building applications on top of Baguette.

🛠 An SDK for building applications on top of Pangolin.

A VueJS implementation of avalanche css grid

🛠 An SDK for building applications on top of Pangolin.

🛠 An SDK for building applications on top of Pangolin.

SDK for EVM chains, used in conjunction with @wormhole-foundation/connect-sdk

AVA's Javascript Software Development Kit

SDK for EVM chains, used in conjunction with @wormhole-foundation/connect-sdk

GenoBank.io Authentication & File Import Module - Web3/OAuth login and universal genomic file import for any web application with enhanced error handling, network flexibility, and framework adapters

accept crypto payments on your website in 3 mins

🛠 An SDK for building applications on top of Pangolin.

This repo contains tools for developing with [TraderJoe XYZ](https://www.traderjoexyz.com).

🛠 An SDK for building applications on top of librafinance.

A host of methods to manage a variety of cryptocurrencies, such as deriving paths for coin symbols, obtaining coin type IDs, and generating Bitcoin or Ethereum addresses for specific public keys.

🛠 An SDK for building applications on top of Barnsale.

AVA's Javascript Software Development Kit

🛠 An SDK for building applications on top of Chance.

Contracts for Dojima Network

This SDK contains tools for developing for the [Joe V2](https://www.traderjoexyz.com) protocol, which utilizes the Liquidity Book architecture.

🛠 An SDK for building applications on top of Trader Joe.

### Javascript

MCP server for OKX DEX Analytics - comprehensive DEX aggregator analytics with multi-chain support

🏂 An SDK for building applications on top of Hashbridge.

🛠 An SDK for building applications on top of Vavalon.

React components for EasyWeb3 widgets

🛠 An SDK for building applications on top of Pangolin.

Core contracts for the HolySwap protocol

🛠 An SDK for building applications on top of Pangolin.

🛠 An SDK for building applications on top of OliveSwap.

🛠 An SDK for building applications on top of Trader Joe.

🛠 An SDK for building applications on top of Chance.

🛠 An SDK for building applications on top of Chance.

This SDK contains tools for developing for the [Joe V2](https://www.traderjoexyz.com) protocol, which utilizes the Liquidity Book architecture.

A simple, maximally extensible, dependency minimized framework for building modern Avax dApps

🛠 An SDK for building applications on top of Trader Joe.

Set of UI components for MoonWalkerSwap project

🛠 An SDK for building applications on top of Smart Gamble.

🛠 An SDK for building applications on top of Pangolin.

Walio API wrapper for NodeJS

This repo contains tools for developing with [TraderJoe XYZ](https://www.traderjoexyz.com).

🛠 An SDK for building applications on top of Pangolin.

A comprehensive SDK for tracking multi-asset holdings across multiple blockchain networks

🛠 An SDK for building applications on top of pangolin.exchange

🛠 An SDK for building applications on top of Pangolin.

🛠 An SDK for building applications on top of Trader Joe.

JavaScript wrapper for PyDebFlow - Advanced Two-Phase Mass Flow Simulation

A comprehensive SDK for tracking multi-asset holdings across multiple blockchain networks

A library for interacting with the blockchains

Get verified education contract addresses