

Build an ecosystem optimized for your goals while opening up new revenue streams.
RainbowKit, Connext and Coinbase each address unique challenges in the web3 ecosystem, offering complementary strengths for builders. A React library that simplifies adding wallet connection to web3 applications with customizable UI and built-in wallet management. Connext is a secure, fast modular interoperability protocol enabling cross-chain fund bridging and asynchronous Solidity development. A comprehensive suite of APIs, SDKs, and developer tools from Coinbase to build onchain applications and integrate crypto services. Together, these tools serve different but overlapping user needs, making them valuable components in a modern web3 development stack.
| At a Glance | |||
| Composability | |||
| Cross-Chain | |||
| Customizability | |||
| Developer Support | |||
| Ease of Integration | |||
| Performance | |||
| Key Features | |||
| Core Capabilities | Out-of-the-box Wallet Management, Custom Connect Button and Modal, Light and Dark Mode Support | xCall Primitive, xERC20 Tokens, Cross-Chain Restaking | Super Pay App, Onramp Demo App, AI Server Wallet | 
| Chain Support | +5 | +84 | |
| Best For | DeFi Developers, NFT Platform Developers | DeFi Developers, Infrastructure Developers | DeFi Developers, Financial Institutions | 
| Pricing | |||
| Free Tier | Free | Standard | Custom | 
| Paid Features | — | — | — | 
| Custom Plans | — | — | — | 
Explore web3 competitors and apps like RainbowKit.
Fireblocks Non-Custodial Wallet-as-a-Service (WaaS) provides a comprehensive API platform to securely manage, transfer, and issue digital assets across vaults, wallets, exchanges, and fiat accounts.



Crossmint is an all-in-one platform that integrates wallets, stablecoins, tokenization, and payment primitives into apps and products with easy APIs and no blockchain complexity.


Gelato provides infrastructure and SDKs to build smart wallets, gasless transactions, and custom rollups with ERC-4337 & 7702 support across 100+ chains.

Synapse is an interchain messaging protocol and cross-chain bridge enabling decentralized applications to operate across multiple blockchains.
Magic provides enterprise-grade, non-custodial wallet infrastructure and passwordless authentication APIs for seamless Web3 onboarding and wallet management.

ChainGPT is an AI-powered platform offering a comprehensive suite of Web3 tools including smart contract generation and auditing, AI NFT creation, trading assistance, and blockchain analytics.

An open-source full-stack web3 development platform offering SDKs, APIs, and prebuilt contracts to build, monetize, and scale blockchain applications across EVM chains and Solana.