# Code Quality & Security: the tools companies use

274 companies on usedby use at least one of the 8 tools in this category with a public customer. Sonar leads with 53 companies. Counts are of companies on usedby, not of the whole market. Latest check 2026-10-07: 287 of 287 public lines checked.

> Automated code analysis, bug detection, and cybersecurity

Family: [Engineering & Data](https://www.usedby.ai/tools/category/engineering-data.md)

## Ranking

Public customers count every public line, job-post signals included; ties share a rank.

| Rank | Tool | Public customers | Confirmed | Observed | Signals |
|---|---|---|---|---|---|
| 1 | [Sonar](https://www.usedby.ai/tools/sonar.md) | 53 | 6 | 46 | 1 |
| 2 | [CodeRabbit](https://www.usedby.ai/tools/coderabbit.md) | 48 | 32 | 16 | 0 |
| 3 | [mabl](https://www.usedby.ai/tools/mabl.md) | 40 | 22 | 18 | 0 |
| 4 | [QA Wolf](https://www.usedby.ai/tools/qa-wolf.md) | 39 | 32 | 7 | 0 |
| 5 | [Snyk](https://www.usedby.ai/tools/snyk.md) | 33 | 23 | 10 | 0 |
| 6 | [Greptile](https://www.usedby.ai/tools/greptile.md) | 25 | 14 | 11 | 0 |
| 6 | [Momentic](https://www.usedby.ai/tools/momentic.md) | 25 | 14 | 11 | 0 |
| 8 | [Endor Labs](https://www.usedby.ai/tools/endor-labs.md) | 24 | 20 | 4 | 0 |

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Source: https://www.usedby.ai/tools/category/code-quality-security · How we check: https://www.usedby.ai/methodology