# Smart Contract Tools

Ranked by the Vioscale composite score: a confidence-weighted blend of independent signals, not user reviews.

| # | Software | Score | Confidence | Vendor |
|--:|---|--:|---|---|
| 1 | [thirdweb](https://www.vioscale.ai/software/thirdweb) | 76.7 | 26% (low) | - |
| 2 | [Echidna](https://www.vioscale.ai/software/echidna) | 57.5 | 22% (low) | - |
| 3 | [Anchor](https://www.vioscale.ai/software/anchor) | 48.4 | 16% (low) | - |
| 4 | [Certora Prover](https://www.vioscale.ai/software/certora-prover) | 46 | 18% (low) | - |
| 5 | [Mythril](https://www.vioscale.ai/software/mythril) | 45.3 | 32% (low) | - |

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*Source: Vioscale (https://www.vioscale.ai/categories/smart-contract-tools).*