Head to head
| Metric | fast-check | Hypothesis | proptest | jqwik |
|---|---|---|---|---|
| Stars | 5.2k | 9.2k | 2.3k | 856 |
| Weekly downloads | 72.5M | 17M | 8.1M | n/a |
| Download growth | +98% | +34% | +83% | n/a |
| Popularity score | 83/100 | 81/100 | 74/100 | 54/100 |
| Forks | 218 | 699 | 239 | 87 |
| Open issues | 46 | 51 | 152 | 49 |
| Last commit | 4d ago | 4d ago | 4w ago | 2d ago |
| Latest version | 4.10.2 | 6.170.15Nov 6, 2026 | 1.12.0Oct 10, 2026 | n/a |
| License | MIT | n/a | Apache-2.0 | EPL-2.0 |
| First released | 2017 | 2013 | 2017 | 2016 |
| Signals | Trending (detected automatically) | Popular | None | 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, jqwik.