Head to head
| Metric | Stryker Mutator | Hypothesis | fast-check | proptest |
|---|---|---|---|---|
| Stars | 3.3k | 9.2k | 5.2k | 2.3k |
| Weekly downloads | 6.4M | 17M | 72.5M | 8.1M |
| Download growth | +154% | +34% | +98% | +83% |
| Popularity score | 75/100 | 81/100 | 83/100 | 74/100 |
| Forks | 310 | 699 | 218 | 239 |
| Open issues | 136 | 51 | 46 | 152 |
| Last commit | 1w ago | 4d ago | 4d ago | 4w ago |
| Latest version | 10.1.1 | 6.170.15Nov 6, 2026 | 4.10.2 | 1.12.0Oct 10, 2026 |
| License | Apache-2.0 | n/a | MIT | Apache-2.0 |
| First released | 2016 | 2013 | 2017 | 2017 |
| Signals | Trending (detected automatically) | Popular | Trending (detected automatically) | None |
| Listed in | Testing & QA › Property-Based, Mutation & Fuzz Testing | Testing & QA › Property-Based, Mutation & Fuzz Testing | Testing & QA › Property-Based, Mutation & Fuzz Testing | Testing & QA › Property-Based, Mutation & Fuzz Testing |
Weekly downloads over time
Hover for exact values; switch to log scale for tools of very different sizes. Not shown (no comparable download data): Hypothesis, proptest.
- Stryker Mutator
- fast-check