Ethereum developer tools

Best for Managed RPC across the major chains plus XRPL, Stellar and Hedera

Chains

Ethereum Solana Base BNB Chain Avalanche Arbitrum Polygon XRP Ledger Stellar Hedera

Price

Free trial (1 month, 10M credits); paid from $49/mo (Build)

License

Proprietary

A managed RPC and streams provider whose network list names all seven major chains we track plus the XRP Ledger and Stellar. Hedera support is through the EVM JSON-RPC relay, not Hedera's native API. No Algorand or Xahau. A one-month trial, then paid plans.

Best for Shared and dedicated nodes with a free developer plan

Chains

Ethereum Solana Base BNB Chain Avalanche Arbitrum Polygon XRP Ledger Stellar

Price

Free Developer plan (3M RU/mo); paid from $49/mo (Growth)

License

Proprietary

Shared and dedicated nodes with archive data and a free Developer plan. Its protocol list names the major EVM chains, Solana, the XRP Ledger and Stellar. Hedera is dedicated-node-by-request only, so we don't count it; no Algorand or Xahau.

Best for Node APIs plus enhanced token, NFT and webhook APIs

Chains

Ethereum Solana Base BNB Chain Avalanche Arbitrum Polygon Stellar

Price

Free tier (30M CU/mo); Pay as You Go $0.525 per 1M CU; Enterprise custom

License

Proprietary

Node APIs with extra data, NFT and token APIs, webhooks and wallet infrastructure on top, and a generous free tier. Its chain list covers the major EVM chains, Solana and Stellar, but not the XRP Ledger, Algorand, Hedera or Xahau.

Best for RPC nodes for 50+ chains, including XRPL, Stellar and Algorand

Chains

Ethereum Solana Base BNB Chain Avalanche Arbitrum Polygon XRP Ledger Stellar Algorand

Price

Free tier (50K CU); Pro shared plans e.g. $399/mo billed yearly for 600M-1B CU; dedicated from $1,000

License

Proprietary

Shared and dedicated RPC nodes priced in compute units, with a free tier. One of the few providers that names the XRP Ledger (mainnet only), Stellar and Algorand alongside the major chains. No Hedera or Xahau.

Best for Node and explorer APIs with the widest payments-chain coverage

Chains

Ethereum Solana Base BNB Chain Avalanche Arbitrum Polygon XRP Ledger Stellar Algorand Hedera

Price

Free Start plan (100K requests/mo); paid plan prices not shown on its pricing page

License

Proprietary

Node-as-a-service RPC and block-explorer APIs for 100+ chains. In our checks it named the most payments chains of any provider: XRP Ledger, Stellar (including Soroban), Algorand and Hedera. Free Start plan; paid plan prices weren't shown on its pricing page when we checked. No Xahau.

Best for Fast Solidity build, test and deploy toolkit

Chains

Ethereum Any EVM chain (no specific chain named)

Price

Free (open source)

License

MIT OR Apache-2.0

A Rust toolkit (Forge, Cast, Anvil, Chisel) for compiling, testing, deploying and poking at Solidity contracts, popular for fast tests and fuzzing. Free and open source. Its docs name Ethereum and otherwise work on any EVM chain, so we don't give it chain-specific badges.

Best for Plugin-based TypeScript environment for EVM contracts

Chains

Ethereum Any EVM chain (no specific chain named)

Price

Free (open source)

A plugin-based TypeScript development environment to compile, test, debug and deploy EVM contracts, with a large plugin ecosystem. Free and open source. Its docs name Ethereum mainnet and testnets and otherwise target any EVM chain.

Best for Standard Solidity token and access-control contracts

Chains

Ethereum Any EVM chain (no specific chain named)

Price

Free (open source)

License

MIT

The standard library of reusable Solidity contracts: ERC-20, 721 and 1155 tokens, access control and utilities. Free and MIT-licensed. Written for Ethereum and any EVM chain. OpenZeppelin also publishes a separate Soroban library for Stellar.

Best for MCP server for AI clients to read and transact on BNB Chain

Chains

Ethereum Base BNB Chain Arbitrum Polygon

Price

Free (open source)

License

MIT

BNB Chain's MCP server lets AI clients read and transact on BNB Smart Chain and other EVM chains, including agent registration. Free and MIT-licensed. Its README warns that the SSE endpoint is unauthenticated, so don't expose it publicly.

Best for Static analyzer for Solidity and Vyper

Chains

Ethereum Any EVM chain (no specific chain named)

Price

Free (open source)

License

AGPL-3.0

Trail of Bits' static analyzer for Solidity and Vyper, with built-in vulnerability detectors and code-inspection printers. Runs locally; free and AGPL-3.0. Works on any EVM codebase. A clean run doesn't mean a contract is secure.

Best for Property-based fuzzer for EVM contracts

Chains

Ethereum Any EVM chain (no specific chain named)

Price

Free (open source)

License

AGPL-3.0

Trail of Bits' property-based fuzzer that tries to break the invariants you write for your EVM contracts. Runs locally; free and AGPL-3.0. Works on any EVM codebase.

Best for Transaction simulation, debugging and monitoring

Chains

Ethereum Base Avalanche Arbitrum Polygon

Price

Free plan for individuals; team plans custom-quoted

License

Proprietary

Hosted platform for simulating and tracing transactions, debugging failures and monitoring contracts with alerts, plus node RPC. Free plan for individuals; team plans are quoted. Its node network list names Ethereum, Base, Avalanche, Arbitrum and Polygon; BNB Chain wasn't listed when we checked.

Best for Self-hosted on-chain monitoring and alerts

Chains

Ethereum Solana Stellar Any EVM chain (no specific chain named)

Price

Free (open source, self-hosted)

License

AGPL-3.0

Self-hosted service that watches on-chain activity and sends alerts when your conditions match. Free and AGPL-3.0. Its example configs cover Ethereum, Stellar and Solana mainnets, and it works with EVM networks generally.

Best for Account-abstraction wallets with gas sponsorship

Chains

Ethereum Solana Base BNB Chain Arbitrum Polygon

Price

Free tier (gas sponsorship testnet only); Pay as You Go $0.525/1M CUs + 8% gas sponsorship admin fee; Enterprise custom

Smart wallets with a bundler, gas sponsorship and embedded sign-in (formerly Account Kit). Covers the major EVM chains we track except Avalanche; on Solana it offers gas sponsorship only. The free tier sponsors gas on testnets only.

Best for ERC-4337 bundler and paymaster infrastructure

Chains

Ethereum Base BNB Chain Avalanche Arbitrum Polygon

Price

Not published on the pages we checked

Bundler and paymaster infrastructure for ERC-4337 smart accounts, plus the permissionless.js library. Its network list names Ethereum, Base, BNB Chain, Avalanche, Arbitrum and Polygon. Pricing wasn't published on the pages we read.

Best for Index chain data into GraphQL with subgraphs

Chains

Ethereum Solana Base BNB Chain Avalanche Arbitrum Polygon

Price

Free first 100K queries/mo; then $2 per 100,000 queries

License

MIT / Apache-2.0 (graph-node)

Decentralized indexing: build subgraphs or Substreams and query chain data over GraphQL. The first 100,000 queries a month are free, then $2 per 100,000. Covers the major EVM chains and Solana (through Substreams), none of the payments chains.

Best for Hosted subgraphs and streaming data pipelines

Chains

Ethereum Solana Base BNB Chain Avalanche Arbitrum Polygon Stellar Hedera

Price

Free Starter ($100 one-time credits); Scale pay-as-you-go (subgraphs $0.05/hr); Enterprise custom

License

Proprietary

Managed subgraph hosting and Turbo streaming pipelines. Notable for naming Hedera (subgraphs) and Stellar (Turbo) as well as the major chains. Starts with one-time free credits, then pay as you go.

Best for Wallet, token, NFT and DeFi data APIs

Chains

Ethereum Solana Base BNB Chain Avalanche Arbitrum Polygon

Price

Data Feeds Starter $10/mo; Starter $149/mo; Pro $249/mo; Business $749/mo (billed annually); Enterprise custom

License

Proprietary

Wallet, token, NFT and DeFi data APIs plus Streams webhooks and RPC nodes across the major EVM chains and Solana. Paid plans only on its pricing page when we checked.

Best for GraphQL APIs and streams for on-chain and DEX data

Chains

Ethereum Solana Base BNB Chain Avalanche Arbitrum Polygon XRP Ledger Stellar Algorand

Price

Personal $29/mo, Pro $69/mo, Scale $199/mo (billed annually); its pricing page shows conflicting figures

License

Proprietary

GraphQL APIs and streams for real-time and historical on-chain and DEX data across 40+ chains, including the XRP Ledger, Stellar and Algorand as full-history data packs. Paid plans; its pricing page showed conflicting figures, so confirm there.

Best for SQL analytics and data API over decoded chain data

Chains

Ethereum Solana Base BNB Chain Avalanche Arbitrum Polygon XRP Ledger Stellar

Price

Free view-only tier; paid Analyst, Plus and Enterprise plans on its pricing page

License

Proprietary

SQL analytics over decoded multi-chain data with dashboards and a query API. Its data catalog includes the XRP Ledger and Stellar alongside the major chains. Free view-only tier; check the pricing page for paid plans.

Best for Wallets, contracts and NFTs in Unity and Unreal

Chains

Ethereum Base BNB Chain Avalanche Arbitrum Polygon XRP Ledger testnet Hedera Any EVM chain (no specific chain named)

Price

SDKs free/open source; platform plans Growth $99/mo, Scale $499/mo, Pro from $1,499/mo with free usage allowances (first 1,000 wallets, 1M RPC requests)

License

Apache-2.0

Game-engine SDKs for in-app and smart wallets, contract calls, tokens, NFTs and marketplaces. Free and open source; thirdweb's platform plans apply for heavier use. The Unity SDK is active; the Unreal plugin moves more slowly. Its chain pages cover thirdweb as a whole, not the game SDKs specifically. No Solana.

Best for Connect players' existing EVM and Solana wallets in Unity

Chains

Ethereum Solana Base Avalanche Arbitrum Polygon

Price

Free Starter tier (500 MAU, 2.5M RPC calls/mo); Pro $89/mo; Growth $350/mo

License

Reown Community License (source-available, not OSI)

Unity package that connects players' existing wallets through WalletConnect and adds a wallet modal. Needs Unity 2023.1 or later and targets mobile, desktop and WebGL. Free starter tier. Source-available under Reown's own license, not an open-source license.

Best for Embedded wallets and gas sponsorship for Unity games

Chains

Ethereum Solana Base BNB Chain Avalanche Arbitrum Polygon

Price

Free tier (2,000 ops, then $0.01/op); Growth $99/mo; Pro $249/mo; Scale $599/mo; Enterprise custom

Embedded non-custodial wallets, smart accounts and gas sponsorship for Unity games, with a free tier. Its own README calls the Unity SDK a work in progress, and built-in social login isn't available in Unity, so you need a third-party auth provider.

Best for Modular open-source Unity SDK for EVM chains

Chains

Ethereum Base BNB Chain Avalanche Polygon

Price

Free (open source)

License

LGPL-3.0

ChainSafe's modular C# SDK for wallets, contract calls, NFTs and tokens in Unity games. Free (LGPL-3.0). Development has slowed: the last release and commit were in November 2025, so check activity before you build on it.