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2 of 5 packages selected.
2-package comparison
arktype is the safest overall pick in this comparison
Measured metrics — each value links to its source.
| Signal | superstruct | arktype |
|---|---|---|
| Release cadence | 0 releases in last 90 days | 0 releases in last 90 days |
| Last release | 753 days ago | 22 days ago |
| Open issues | 82 open issues | 238 open issues |
| Bus factor | top contributor makes 45.79% of commits | top contributor makes 76.19% of commits |
| Commit activity | 0 commits in the last 90 days | 14 commits in the last 90 days |
| Pull request activity | 3 PRs opened in the last 90 days | 11 PRs opened in the last 90 days |
| OpenSSF score | 3.4/10 | not scored |
| Vulnerabilities | 0 known vulnerabilities | 0 known vulnerabilities |
Daily downloads aggregated to weekly sums (last 5 years).
| Week | superstruct | arktype |
|---|---|---|
| 2026-07-20 | 5,590,413 | 1,408,156 |
| 2026-07-13 | 5,578,725 | 1,288,005 |
| 2026-07-06 | 5,042,385 | 1,110,828 |
| 2026-06-29 | 4,960,240 | 1,035,717 |
| 2026-06-22 | 5,227,652 | 1,095,271 |
| 2026-06-15 | 5,277,572 | 1,070,721 |
| 2026-06-08 | 5,296,383 | 1,151,679 |
| 2026-06-01 | 4,241,652 | 866,803 |
| 2026-05-25 | 4,952,034 | 1,056,789 |
| 2026-05-18 | 5,170,301 | 976,905 |
| 2026-05-11 | 5,332,188 | 962,408 |
| 2026-05-04 | 4,677,951 | 896,390 |
| 2026-04-27 | 4,470,625 | 880,163 |
| 2026-04-20 | 4,329,634 | 800,023 |
| 2026-04-13 | 4,192,099 | 831,593 |
| 2026-04-06 | 3,843,430 | 898,716 |
| 2026-03-30 | 3,892,959 | 843,110 |
| 2026-03-23 | 4,110,218 | 911,721 |
| 2026-03-16 | 4,009,336 | 975,796 |
| 2026-03-09 | 4,204,308 | 1,108,154 |
| 2026-03-02 | 4,035,724 | 998,389 |
| 2026-02-23 | 3,962,014 | 808,731 |
| 2026-02-16 | 3,484,736 | 678,078 |
| 2026-02-09 | 3,662,084 | 701,766 |
| 2026-02-02 | 3,676,700 | 686,435 |
| 2026-01-26 | 3,582,343 | 671,993 |
| 2026-01-19 | 3,248,406 | 452,100 |
| 2026-01-12 | 3,270,311 | 435,176 |
| 2026-01-05 | 2,973,804 | 411,271 |
| 2025-12-29 | 1,617,699 | 249,235 |
| 2025-12-22 | 1,679,512 | 221,003 |
| 2025-12-15 | 3,204,212 | 411,229 |
| 2025-12-08 | 3,340,202 | 404,368 |
| 2025-12-01 | 3,482,761 | 415,694 |
| 2025-11-24 | 3,023,283 | 360,608 |
| 2025-11-17 | 3,220,546 | 410,830 |
| 2025-11-10 | 3,142,191 | 377,784 |
| 2025-11-03 | 3,160,399 | 396,839 |
| 2025-10-27 | 3,076,958 | 366,363 |
| 2025-10-20 | 2,373,316 | 355,957 |
| 2025-10-13 | 2,720,022 | 347,654 |
| 2025-10-06 | 2,895,055 | 347,149 |
| 2025-09-29 | 2,845,262 | 347,213 |
| 2025-09-22 | 2,781,824 | 322,151 |
| 2025-09-15 | 2,705,667 | 357,799 |
| 2025-09-08 | 2,787,854 | 412,430 |
| 2025-09-01 | 2,620,357 | 433,716 |
| 2025-08-25 | 2,714,706 | 377,297 |
| 2025-08-18 | 2,766,161 | 339,987 |
| 2025-08-11 | 2,816,596 | 341,129 |
| 2025-08-04 | 3,115,864 | 367,350 |
| 2025-07-28 | 2,775,688 | 342,496 |
| 2025-07-21 | 2,770,830 | 289,724 |
| 2025-07-14 | 2,543,203 | 280,741 |
| 2025-07-07 | 2,567,515 | 284,393 |
| 2025-06-30 | 2,416,088 | 267,054 |
| 2025-06-23 | 2,670,835 | 284,062 |
| 2025-06-16 | 2,887,580 | 263,308 |
| 2025-06-09 | 2,821,957 | 252,523 |
| 2025-06-02 | 2,766,401 | 274,102 |
| 2025-05-26 | 2,478,650 | 266,645 |
| 2025-05-19 | 2,457,111 | 267,252 |
| 2025-05-12 | 2,667,739 | 241,902 |
| 2025-05-05 | 2,456,544 | 230,193 |
| 2025-04-28 | 2,326,091 | 200,008 |
| 2025-04-21 | 2,317,971 | 167,930 |
| 2025-04-14 | 2,345,902 | 143,642 |
| 2025-04-07 | 2,392,257 | 136,532 |
| 2025-03-31 | 2,237,942 | 124,625 |
| 2025-03-24 | 2,396,299 | 123,969 |
| 2025-03-17 | 2,311,279 | 114,849 |
| 2025-03-10 | 2,474,193 | 118,432 |
| 2025-03-03 | 2,599,030 | 112,462 |
| 2025-02-24 | 2,548,008 | 108,595 |
| 2025-02-17 | 2,442,404 | 96,301 |
| 2025-02-10 | 2,361,868 | 95,266 |
| 2025-02-03 | 1,978,817 | 87,695 |
| 2025-01-27 | 1,826,169 | 85,866 |
| 2025-01-20 | 2,020,238 | 81,970 |
| 2025-01-13 | 1,855,503 | 78,114 |
| 2025-01-06 | 1,772,937 | 71,555 |
| 2024-12-30 | 970,596 | 43,292 |
| 2024-12-23 | 836,560 | 39,516 |
| 2024-12-16 | 1,749,536 | 68,075 |
| 2024-12-09 | 1,854,815 | 69,437 |
| 2024-12-02 | 1,758,869 | 69,995 |
| 2024-11-25 | 1,667,136 | 68,452 |
| 2024-11-18 | 1,896,807 | 65,005 |
| 2024-11-11 | 1,685,955 | 58,969 |
| 2024-11-04 | 1,712,434 | 58,494 |
| 2024-10-28 | 1,627,469 | 65,974 |
| 2024-10-21 | 1,672,298 | 64,952 |
| 2024-10-14 | 1,590,293 | 66,775 |
| 2024-10-07 | 1,603,122 | 57,909 |
| 2024-09-30 | 1,513,704 | 60,678 |
| 2024-09-23 | 1,552,854 | 67,223 |
| 2024-09-16 | 1,487,452 | 76,153 |
| 2024-09-09 | 1,540,694 | 64,848 |
| 2024-09-02 | 1,448,368 | 60,876 |
| 2024-08-26 | 1,498,634 | 58,772 |
| 2024-08-19 | 1,473,272 | 53,648 |
| 2024-08-12 | 1,389,445 | 49,787 |
| 2024-08-05 | 1,483,369 | 51,171 |
| 2024-07-29 | 1,421,458 | 52,531 |
| 2024-07-22 | 1,407,554 | 47,315 |
| 2024-07-15 | 1,413,894 | 37,309 |
| 2024-07-08 | 1,382,201 | 37,712 |
| 2024-07-01 | 1,252,711 | 34,042 |
| 2024-06-24 | 1,381,167 | 32,828 |
| 2024-06-17 | 1,284,722 | 37,396 |
| 2024-06-10 | 1,334,629 | 38,220 |
| 2024-06-03 | 1,383,962 | 31,120 |
| 2024-05-27 | 1,284,939 | 32,193 |
| 2024-05-20 | 1,335,291 | 27,848 |
| 2024-05-13 | 1,325,671 | 27,740 |
| 2024-05-06 | 1,283,352 | 24,009 |
| 2024-04-29 | 1,229,526 | 25,941 |
| 2024-04-22 | 1,328,808 | 27,428 |
| 2024-04-15 | 1,326,526 | 24,203 |
| 2024-04-08 | 1,306,203 | 21,808 |
| 2024-04-01 | 1,298,221 | 20,671 |
| 2024-03-25 | 1,194,192 | 17,839 |
| 2024-03-18 | 1,390,226 | 24,712 |
| 2024-03-11 | 1,422,842 | 27,008 |
| 2024-03-04 | 1,468,310 | 27,343 |
| 2024-02-26 | 1,370,410 | 24,548 |
| 2024-02-19 | 1,372,877 | 24,386 |
| 2024-02-12 | 1,265,081 | 19,208 |
| 2024-02-05 | 1,305,956 | 12,169 |
| 2024-01-29 | 1,407,068 | 13,288 |
| 2024-01-22 | 1,365,165 | 12,424 |
| 2024-01-15 | 1,310,000 | 14,687 |
| 2024-01-08 | 1,277,320 | 14,644 |
| 2024-01-01 | 973,636 | 10,466 |
| 2023-12-25 | 597,056 | 8,030 |
| 2023-12-18 | 1,120,573 | 15,399 |
| 2023-12-11 | 1,332,320 | 14,150 |
| 2023-12-04 | 1,284,338 | 12,560 |
| 2023-11-27 | 1,288,626 | 3,975 |
| 2023-11-20 | 1,199,931 | 7,464 |
| 2023-11-13 | 1,257,221 | 4,553 |
| 2023-11-06 | 1,317,616 | 3,852 |
| 2023-10-30 | 884,509 | 2,797 |
| 2023-10-23 | 1,361,878 | 4,277 |
| 2023-10-16 | 1,465,697 | 2,221 |
| 2023-10-09 | 1,357,269 | 2,294 |
| 2023-10-02 | 1,185,295 | 2,500 |
| 2023-09-25 | 1,210,881 | 2,651 |
| 2023-09-18 | 1,215,521 | 1,891 |
| 2023-09-11 | 1,362,964 | 1,634 |
| 2023-09-04 | 1,266,769 | 1,071 |
| 2023-08-28 | 1,346,791 | 1,204 |
| 2023-08-21 | 1,372,009 | 1,256 |
| 2023-08-14 | 1,282,523 | 1,022 |
| 2023-08-07 | 1,280,693 | 1,376 |
| 2023-07-31 | 1,244,079 | 1,517 |
| 2023-07-24 | 1,214,412 | 1,139 |
| 2023-07-17 | 1,211,731 | 1,944 |
| 2023-07-10 | 1,216,255 | 1,652 |
| 2023-07-03 | 1,033,347 | 1,398 |
| 2023-06-26 | 1,156,245 | 1,294 |
| 2023-06-19 | 1,086,668 | 864 |
| 2023-06-12 | 1,250,515 | 959 |
| 2023-06-05 | 1,217,303 | 1,059 |
| 2023-05-29 | 1,109,373 | 1,816 |
| 2023-05-22 | 1,132,565 | 1,785 |
| 2023-05-15 | 1,149,185 | 2,003 |
| 2023-05-08 | 1,107,550 | 1,856 |
| 2023-05-01 | 1,065,080 | 1,502 |
| 2023-04-24 | 1,057,624 | 1,072 |
| 2023-04-17 | 1,039,387 | 308 |
| 2023-04-10 | 955,209 | 429 |
| 2023-04-03 | 936,203 | 326 |
| 2023-03-27 | 1,063,903 | 165 |
| 2023-03-20 | 1,052,765 | 696 |
| 2023-03-13 | 1,024,902 | 326 |
| 2023-03-06 | 991,908 | 137 |
| 2023-02-27 | 1,024,325 | 471 |
| 2023-02-20 | 991,555 | 256 |
| 2023-02-13 | 953,705 | 420 |
| 2023-02-06 | 924,592 | 399 |
| 2023-01-30 | 925,549 | 48 |
| 2023-01-23 | 859,987 | 1 |
| 2023-01-16 | 836,190 | 2 |
| 2023-01-09 | 858,314 | 1 |
| 2023-01-02 | 687,384 | 1 |
| 2022-12-26 | 403,120 | 1 |
| 2022-12-19 | 727,072 | 0 |
| 2022-12-12 | 862,029 | 1 |
| 2022-12-05 | 886,017 | 1 |
| 2022-11-28 | 893,073 | 2 |
| 2022-11-21 | 783,644 | 2 |
| 2022-11-14 | 936,442 | 0 |
| 2022-11-07 | 926,075 | 2 |
| 2022-10-31 | 911,415 | 3 |
| 2022-10-24 | 898,734 | 5 |
| 2022-10-17 | 847,534 | 1 |
| 2022-10-10 | 791,058 | 3 |
| 2022-10-03 | 784,482 | 1 |
| 2022-09-26 | 788,966 | 6 |
| 2022-09-19 | 823,412 | 62 |
| 2022-09-12 | 812,548 | 0 |
| 2022-09-05 | 728,765 | 0 |
| 2022-08-29 | 731,270 | 0 |
| 2022-08-22 | 757,586 | 0 |
| 2022-08-15 | 726,675 | 0 |
| 2022-08-08 | 702,883 | 0 |
| 2022-08-01 | 713,470 | 0 |
| 2022-07-25 | 687,474 | 0 |
| 2022-07-18 | 545,017 | 0 |
| 2022-07-11 | 608,738 | 0 |
| 2022-07-04 | 575,158 | 0 |
| 2022-06-27 | 613,040 | 0 |
| 2022-06-20 | 600,147 | 0 |
| 2022-06-13 | 606,459 | 0 |
| 2022-06-06 | 595,382 | 0 |
| 2022-05-30 | 549,707 | 0 |
| 2022-05-23 | 568,550 | 0 |
| 2022-05-16 | 562,908 | 0 |
| 2022-05-09 | 539,575 | 0 |
| 2022-05-02 | 496,385 | 0 |
| 2022-04-25 | 533,521 | 0 |
| 2022-04-18 | 496,849 | 0 |
| 2022-04-11 | 488,814 | 0 |
| 2022-04-04 | 520,558 | 0 |
| 2022-03-28 | 512,563 | 0 |
| 2022-03-21 | 486,335 | 0 |
| 2022-03-14 | 475,857 | 0 |
| 2022-03-07 | 453,609 | 0 |
| 2022-02-28 | 434,760 | 0 |
| 2022-02-21 | 427,964 | 0 |
| 2022-02-14 | 445,582 | 0 |
| 2022-02-07 | 432,948 | 0 |
| 2022-01-31 | 391,423 | 0 |
| 2022-01-24 | 411,536 | 0 |
| 2022-01-17 | 414,028 | 0 |
| 2022-01-10 | 386,462 | 0 |
| 2022-01-03 | 319,209 | 0 |
| 2021-12-27 | 191,885 | 0 |
| 2021-12-20 | 278,780 | 0 |
| 2021-12-13 | 389,075 | 0 |
| 2021-12-06 | 382,671 | 0 |
| 2021-11-29 | 376,345 | 0 |
| 2021-11-22 | 368,077 | 0 |
| 2021-11-15 | 362,751 | 0 |
| 2021-11-08 | 345,169 | 0 |
| 2021-11-01 | 330,836 | 0 |
| 2021-10-25 | 340,924 | 0 |
| 2021-10-18 | 344,329 | 0 |
| 2021-10-11 | 320,892 | 0 |
| 2021-10-04 | 326,791 | 0 |
| 2021-09-27 | 311,564 | 0 |
| 2021-09-20 | 310,689 | 0 |
| 2021-09-13 | 334,793 | 0 |
| 2021-09-06 | 296,780 | 0 |
| 2021-08-30 | 308,448 | 0 |
| 2021-08-23 | 284,045 | 0 |
| 2021-08-16 | 282,930 | 0 |
| 2021-08-09 | 278,079 | 0 |
| 2021-08-02 | 275,936 | 0 |
| 2021-07-26 | 19,022 | 0 |
| Types | ships TypeScript types | ships TypeScript types |