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Code Quality & Security: the tools companies use

Automated code analysis, bug detection, and cybersecurity

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274 companies on usedby use at least one of the 8 tools in this category with a public customer. Sonar leads with 53 companies. Then come CodeRabbit (48) and mabl (40). 12 companies run two of these tools or more. The most common pair is Greptile with Momentic (3 companies).Latest check Oct 7, 2026: 287 of 287 public lines checked. Counts are of companies on usedby, not of the whole market: we list a company when a public page shows its AI tools.

274

companies on usedby use a tool of this category

Latest check Oct 7, 2026: 287 of 287 public lines checked

Ranked by customers

Companies with a public line for each tool. Job-post signals count and are drawn apart in the proof bar.

Code Quality & Security tools ranked by companies on usedby
#ToolCustomersProof
1Sonar53
2CodeRabbit48
3mabl40
4QA Wolf39
5Snyk33
6Greptile25
6Momentic25
8Endor Labs24

12 companies run two of these tools or more. The most common pair is Greptile with Momentic, at 3 companies.

Sonar53 customers

Sonar is used by 53 companies on usedby, 6 confirmed by a case study, a named quote or a press release. Named customers include Disney, J.P. Morgan, and L'Oréal. Who uses Sonar, CodeRabbit vs Sonar

Customer page: sonarsource.com. Latest check of 53 of 53 lines: Oct 7, 2026.

CodeRabbit48 customers

CodeRabbit is used by 48 companies on usedby, 32 confirmed by a case study, a named quote or a press release. Named customers include Nvidia, Indeed, and Trivago. Who uses CodeRabbit, CodeRabbit vs Sonar

Customer page: coderabbit.ai. Latest check of 48 of 48 lines: Oct 6, 2026.

mabl40 customers

mabl is used by 40 companies on usedby, 22 confirmed by a case study, a named quote or a press release. Named customers include Priceline, Workday, and ADP. Who uses mabl, mabl vs Sonar

Customer page: mabl.com. Latest check of 40 of 40 lines: Oct 7, 2026.

QA Wolf39 customers

QA Wolf is used by 39 companies on usedby, 32 confirmed by a case study, a named quote or a press release. Named customers include Doordash, Figma, and Rivian. Who uses QA Wolf, CodeRabbit vs QA Wolf

Customer page: qawolf.com. Latest check of 39 of 39 lines: Oct 7, 2026.

Newest customers

Companies first listed by a tool of this category in the last 90 days.

No new customer yetTracking of changes on these tools' pages started on October 6, 2026. New customers appear here, dated, after two complete checks of those pages.

Most compared

Side-by-side pages with the companies behind each tool.

Questions about Code Quality & Security

Answers drawn from usedby data.

What is the most used tool in Code Quality & Security?

Sonar, used by 53 of the 274 companies on usedby in this category. Then come CodeRabbit (48) and mabl (40). Who uses Sonar.

Do more companies use Sonar or CodeRabbit?

Sonar: 53 companies on usedby, against 48 for CodeRabbit. 1 company uses both, counting confirmed and observed lines only.

Do companies use several tools in Code Quality & Security?

Yes: 12 of the 274 companies on usedby in this category run two or more. The most common pair is Greptile with Momentic (3 companies).

How does usedby rank these tools?

By the number of companies with a public line for each tool, read from dated captures of vendor customer pages, case studies, press releases and job posts. Job-post signals count in the totals and are shown apart. usedby lists a company when a public page shows it, so these counts describe the companies on usedby, not the whole market.