# developer

Skill · `skill:developer`

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

- Repos that have it now: 33
- Repos that ever had it: 39
- Still have it: 85%
- Share of census repos with any tool: 0.03%

## 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 | 1 |
| 2026-02 | 6 |
| 2026-03 | 9 |
| 2026-04 | 13 |
| 2026-05 | 18 |
| 2026-06 | 21 |
| 2026-07 | 26 |
| 2026-08 | 27 |
| 2026-09 | 33 |

## 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 |
|---|---|---|---|
| [tester](https://favz.co/tools/skill-tester.md) | Skill | 8 | 637.2× |
| [reviewer](https://favz.co/tools/skill-reviewer.md) | Skill | 6 | 330.8× |
| [architect](https://favz.co/tools/skill-architect.md) | Skill | 12 | 249.3× |
| [code-reviewer](https://favz.co/tools/skill-code-reviewer.md) | Skill | 6 | 64.4× |
| [frontend-design](https://favz.co/tools/skill-frontend-design.md) | Skill | 6 | 9.7× |