Foundry
A rapid Ethereum smart contract development toolkit
- Also known as
- foundry
What is Foundry?
A Rust-based toolkit for building, testing, debugging, and deploying smart contracts on Ethereum networks
Foundry pricing
We don't have Foundry's full plan breakdown yet (its pricing page resisted automated reading). Here's what we could confirm. Always check live pricing for exact numbers.
What Foundry does
The capabilities that matter for blockchain dev tools, normalised so it lines up with every alternative. “-” means we haven't confirmed it, not that it's missing.
- Tooling type
- Framework
- Evm compatible only
- ✓
- Local dev network
- ✓
- Native fuzzing invariant testing
- ✓
- Mainnet forking
- ✓
- Contract verification integration
- ✓
- Trace debugger
- ✓
- Gas profiling
- ✓
- Archive node access
- -
- Graphql indexing
- -
- Static analysis security tool
- ✓
- Open source
- ✓
- Maintenance status
- Active
Platform & deployment
Independently observed- CLI
- Linux
- Self-hosted
Integrations (3)
Independently observed- Slither
- Aderyn
- Solar
Security & compliance
Known vulnerabilities: 0 (0 in the last 12 months) sourcea count reflects scale & disclosure, not quality
Foundry FAQ
Common questions about Foundry, answered from independent, dated evidence.
What is Foundry?
A toolkit for building, testing, and interacting with Ethereum smart contracts. It provides command-line tools for rapid development, testing, and deployment, including automatic documentation generation from Solidity source code. It is indexed under Blockchain Dev Tools.
Source: https://getfoundry.sh
Is Foundry free?
Foundry offers a free tier, so you can start without paying. Pricing changes often, so verify at source before relying on it.
Source: https://getfoundry.sh
What platforms does Foundry support?
Foundry supports macOS, Linux and a command-line interface. Platforms we have not confirmed are simply not listed here rather than ruled out.
Source: https://getfoundry.sh
Is Foundry open source?
Yes. Foundry is published under the Apache-2.0 licence, a permissive licence that generally allows commercial use and modification. Licence terms can change between releases, so verify against the repository for the version you intend to use.
Foundry alternatives
Other blockchain dev tools we track, ranked by the same independent score.
- QuickNodeBlockchain infrastructure platform supporting 75+ chains with RPC, real-time event streaming, and data indexingmedium · 73%
- HardhatA professional-grade toolkit for building, testing, and deploying Ethereum smart contractsmedium · 59%
- AlchemyLow-cost blockchain infrastructure for web3 developershigh · 76%
- InfuraInfrastructure APIs for Ethereum and IPFS blockchains and distributed storage networkslow · 48%
- BlockscoutA multichain blockchain explorer for searching and analyzing transaction data across EVM and non-EVM networksmedium · 65%
- Reown (WalletConnect)Developer tools for integrating blockchain capabilities into applicationslow · 46%
Compare Foundry
Side by side against other blockchain dev tools, attribute by attribute, with a source on every value.
The vioscaleAI score: one lens on the evidence
Not user reviews and not a paid placement: a confidence-weighted blend of the independent signals below (adoption, activity, security posture, and more), which you can sort and re-weight yourself. Vendors can correct their listing but can never move their rank, and stars are weighted low as a vanity metric. It is one way to read the evidence for Foundry, not the verdict.
| Signal | Score | Weight | Contribution | Evidence |
|---|---|---|---|---|
| Capabilities | 96 | 0.08 | 8.0 | ✓ |
| Development activity | 63 | 0.12 | 7.6 | ✓ |
| Release cadence | 99 | 0.07 | 6.7 | ✓ |
| Stars | 76 | 0.03 | 2.5 | ✓ |
| Integrations | 17 | 0.05 | 0.9 | ✓ |
| Dependent projects | 5 | 0.08 | 0.4 | ✓ |
| Security posture | 0 | 0.09 | 0.0 | - |
| Package downloads | 0 | 0.17 | 0.0 | - |
| Security score | 0 | 0.05 | 0.0 | - |
| Developer Q&A activity | 0 | 0.08 | 0.0 | - |
Computed . Re-weight it by intent, or see the full method.
All data & sourcesshow ↓
Every value we hold, with its source, retrieval date, and confidence. This is the evidence behind the score: don't trust it, verify it.
Activity
| Attribute | Value | Evidence |
|---|---|---|
| Commits last 30d | 100 | mediumsource · 2026-10-13 · 65% |
Adoption
Content
| Attribute | Value | Evidence |
|---|---|---|
| Faq | 4 items | mediumsource · 2026-09-10 · 69% |
Features
| Attribute | Value | Evidence |
|---|---|---|
| Capabilities | Open source: Yes · Tooling type: framework · Gas profiling: Yes · Trace debugger: Yes · Mainnet forking: Yes · Local dev network: Yes | mediumsource · 2026-10-13 · 60% |
Integrations
| Attribute | Value | Evidence |
|---|---|---|
| Count | 3 | mediumsource · 2026-09-11 · 60% |
Language
| Attribute | Value | Evidence |
|---|---|---|
| Primary | Rust | highsource · 2026-10-13 · 90% |
License
| Attribute | Value | Evidence |
|---|---|---|
| Spdx | Apache-2.0 | highsource · 2026-10-13 · 95% |
Pricing
Release
Reliability
| Attribute | Value | Evidence |
|---|---|---|
| Status page | Yes | mediumsource · 2026-08-20 · 60% |
Security
| Attribute | Value | Evidence |
|---|---|---|
| Vulnerabilities | Count: 0 · Source: https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=cargo&package_name=forge-fmt&per_page=100 · Last 12m: 0 | highsource · 2026-08-26 · 90% |
Is Foundry the right choice for you?
Tell us the job, the constraints and what you weigh most, and we will rank Foundry against the rest of the blockchain dev tools we index, using the same dated evidence weighted your way.
Free to run, no account needed to start. How the evaluation works
Is this your product?
This profile was built from public sources without asking you. You can take the badge below and use it anywhere, and you can claim the profile to correct anything we got wrong. Both are free, and neither moves Foundry up or down: nobody can buy rank here, including you.
Take the badge
Live, always current, and free to use on your own site. It shows Foundry's independent score and links back to this profile.
<a href="https://www.vioscale.ai/software/foundry" target="_blank" rel="noopener">
<img src="https://www.vioscale.ai/badge/software/foundry.svg" alt="Foundry, verified on vioscaleAI" width="330" height="76" loading="lazy" />
</a>Markdown, for a README →
[](https://www.vioscale.ai/software/foundry)Claim the profile
Verify you control the domain, then point us at the pages that state the facts about Foundry and add your own description and media. Free, and it does not change the score.
- Correct anything wrong, with evidence
- Point our crawler at the pages that matter
- Write your own description and add media
Not the owner? How vendor profiles work