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Pick up to four tools and compare adoption, momentum and maintenance at a glance. The crown marks the leader in each row.
| Metric | Factory Boy | Testcontainers | Faker.js | Faker (Python) |
|---|---|---|---|---|
| Stars | 3.8k | 8.8k | 15.5k | 19.5k |
| Weekly downloads | 5.7M | 11.6M | 24.8M | 17.8M |
| Download growth | +21% | +70% | +12% | +16% |
| Popularity score | 75/100 | 80/100 | 84/100 | 84/100 |
| Forks | 426 | 2k | 1.2k | 2.1k |
| Open issues | 212 | 648 | 101 | 58 |
| Last commit | 10mo ago | 2d ago | 3d ago | 2w ago |
| Latest version | 3.3.3Feb 3, 2025 | 12.2.1 | 10.6.0 | 40.54.0Nov 10, 2026 |
| License | MIT | MIT | n/a | MIT |
| First released | 2011 | 2015 | 2022 | 2012 |
| Signals | None | Trending (detected automatically)Popular | Popular | Popular |
| Listed in | Testing & QA › Test Data & Environments | Testing & QA › Test Data & Environments | Testing & QA › Test Data & Environments | Testing & QA › Test Data & Environments |
Hover for exact values; switch to log scale for tools of very different sizes. Not shown (no comparable download data): Testcontainers, Faker.js.