# tester

Skill · `skill:tester`

Favz census, built 2026-10-04. Tool names and counts only. No repo names. HTML page: https://favz.co/tools/skill-tester.html

- Repos that have it now: 36
- Repos that ever had it: 40
- Still have it: 90%
- Share of census repos with any tool: 0.04%

## Repos with it, by month

From commit dates in each repo's history. The last few days always look low, because repos found later fill them in.

| Month | Repos at month end |
|---|---|
| 2025-12 | 2 |
| 2026-01 | 4 |
| 2026-02 | 5 |
| 2026-03 | 11 |
| 2026-04 | 15 |
| 2026-05 | 23 |
| 2026-06 | 30 |
| 2026-07 | 32 |
| 2026-08 | 34 |
| 2026-09 | 36 |

## Goes with

Tools found in the same repos, ranked by lift: 3× means the two show up together three times as often as chance would give. Only pairs sharing 5 or more repos.

| Tool | Kind | Repos with both | Lift |
|---|---|---|---|
| [scrum-master](https://favz.co/tools/skill-scrum-master.md) | Skill | 9 | 1126.5× |
| [ui-designer](https://favz.co/tools/skill-ui-designer.md) | Skill | 9 | 909.8× |
| [ux-designer](https://favz.co/tools/skill-ux-designer.md) | Skill | 9 | 763.1× |
| [backend-dev](https://favz.co/tools/skill-backend-dev.md) | Skill | 9 | 695.8× |
| [content-marketer](https://favz.co/tools/skill-content-marketer.md) | Skill | 5 | 657.1× |
| [developer](https://favz.co/tools/skill-developer.md) | Skill | 8 | 637.2× |
| [frontend-dev](https://favz.co/tools/skill-frontend-dev.md) | Skill | 9 | 606.6× |
| [project-manager](https://favz.co/tools/skill-project-manager.md) | Skill | 9 | 606.6× |
| [reviewer](https://favz.co/tools/skill-reviewer.md) | Skill | 10 | 505.5× |
| [deployment](https://favz.co/tools/skill-deployment.md) | Skill | 9 | 394.3× |
| [orchestrator](https://favz.co/tools/skill-orchestrator.md) | Skill | 9 | 324.0× |
| [architect](https://favz.co/tools/skill-architect.md) | Skill | 12 | 228.6× |