Foundry
Claim this toolBlazing fast smart contract development toolkit for Ethereum.
Free, no paid tier Visit Website Free Visit Website
Tracked since 2026
The Bottom Line
- Price
- Free, no paid tier. Compare plans
Key facts
- A command-line toolkit for Ethereum smart contract development.
- Includes tools for building, testing, deploying, and interacting with contracts.
- Offers ultra-fast compilation and testing against real chain states.
Pros
- Blazing fast compilation and execution
- Comprehensive suite of tools for the entire dev lifecycle
- Ability to test against real chain state for robust testing
- Open-source and community-driven with active development
- Easy to install and get started
Cons
- Primarily command-line based, which might have a learning curve for some
- Requires familiarity with Ethereum development concepts
What is Foundry?
Foundry is a comprehensive, command-line-based development toolkit designed for building, testing, and deploying smart contracts on the Ethereum blockchain. It provides a suite of tools including Forge for contract development, Anvil for a local development node, and Cast for interacting with on-chain applications. The toolkit is built for speed, offering ultra-fast compilation and the ability to test contracts against real-world chain states.
This toolkit is ideal for Ethereum smart contract developers looking for a performant and efficient environment. It streamlines the entire development lifecycle, from initializing projects and running tests to deploying contracts and interacting with various blockchain networks. Its focus on speed and robust testing capabilities helps developers create more reliable and secure smart contracts.
Foundry is open-source and community-driven, encouraging contributions and providing support through channels like Telegram and GitHub. It aims to be the 'Swiss Army knife' for anyone working with Ethereum smart contracts.
Data compiled by Toolradar Pricing checked · How we evaluate
Source getfoundry.sh Preview
Key Features
- Forge: Build, test, debug, deploy, and verify smart contracts
- Anvil: Run a local Ethereum development node with JSON-RPC compliance
- Cast: Interact with on-chain applications from the command line
- Ultra-fast compilation with dynamic_test_linking
- Test contracts against real-world chain state
- Fork mainnet for local development
- Load and dump state for Anvil nodes
- Call contract functions and send transactions via command line
Pricing Plans
Pricing checked Sep 29, 2026. Source: getfoundry.sh/pricing, read Sep 29, 2026
| Plan | Price | Details |
|---|---|---|
| Foundry | Free |
+4 more Show less
|
Is Foundry worth the price?
Great value
Foundry is entirely free, offering an incredibly generous and accessible toolkit for smart contract development.
This pricing model is exceptionally fair, as there are no costs associated with its powerful features. It's best for all Ethereum developers, from beginners to seasoned professionals, looking for a robust and free development environment.
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Foundry FAQ
How does Foundry facilitate robust testing for smart contracts?
Foundry enables robust testing by allowing developers to test contracts directly against real-world chain states. This capability, combined with its ultra-fast compilation, helps ensure the reliability and security of smart contracts before deployment.
Which teams would benefit most from using Foundry?
Teams of Ethereum smart contract developers looking for a performant and efficient development environment would benefit most from Foundry. It is designed to streamline the entire development lifecycle, from project initialization to deployment and interaction with blockchain networks.
How is Foundry's approach to development different from Tenderly?
Foundry provides a comprehensive, command-line-based development toolkit for building, testing, and deploying smart contracts on Ethereum. It emphasizes speed with ultra-fast compilation and the ability to test against real chain states.
What kind of learning curve should new users expect with Foundry?
New users should expect a learning curve primarily because Foundry is command-line based. Additionally, familiarity with Ethereum development concepts is required to effectively utilize its features.
Does Foundry include a free tier for developers?
Foundry is entirely free to use, as it is an open-source and community-driven project. There are no paid plans required to access its full suite of development tools.
How does Foundry support the full smart contract development lifecycle?
Foundry supports the full smart contract development lifecycle through a suite of tools, including Forge for contract development, Anvil for a local development node, and Cast for on-chain interaction. This streamlines processes from project initialization and testing to deployment.
Can Foundry be used to interact with various blockchain networks?
Yes, Foundry can be used to interact with various blockchain networks through its Cast tool. This allows developers to deploy contracts and manage applications across different Ethereum-compatible environments.
Source: getfoundry.sh