Loading comparison…
Fetching the latest package data.
Fetching the latest package data.
2 of 5 packages selected.
2-package comparison
undici is the safest overall pick in this comparison
Measured metrics — each value links to its source.
| Signal | ky | undici |
|---|---|---|
| Release cadence | 0 releases in last 90 days | 0 releases in last 90 days |
| Last release | 87 days ago | 13 days ago |
| Open issues | 0 open issues | 192 open issues |
| Bus factor | top contributor makes 73.97% of commits | top contributor makes 42.97% of commits |
| OpenSSF score | 4.8/10 | 8.2/10 |
| Vulnerabilities | 0 known vulnerabilities | 0 known vulnerabilities |
| Types | ships TypeScript types | ships TypeScript types |
Daily downloads aggregated to weekly sums (last 5 years).
| Week | ky | undici |
|---|---|---|
| 2026-07-13 | 3,515,116 | 67,184,065 |
| 2026-07-06 | 6,369,711 | 96,204,987 |
| 2026-06-29 | 6,296,928 | 125,698,459 |
| 2026-06-22 | 6,557,380 | 131,760,206 |
| 2026-06-15 | 6,578,913 | 134,848,422 |
| 2026-06-08 | 6,488,741 | 127,840,611 |
| 2026-06-01 | 5,964,938 | 100,804,046 |
| 2026-05-25 | 5,603,302 | 113,252,640 |
| 2026-05-18 | 6,010,010 | 113,055,718 |
| 2026-05-11 | 4,965,678 | 107,416,985 |
| 2026-05-04 | 5,286,907 | 102,276,768 |
| 2026-04-27 | 5,495,879 | 98,902,178 |
| 2026-04-20 | 5,534,872 | 93,933,845 |
| 2026-04-13 | 5,287,221 | 84,100,035 |
| 2026-04-06 | 5,124,632 | 74,507,139 |
| 2026-03-30 | 5,164,873 | 67,583,456 |
| 2026-03-23 | 5,578,580 | 69,551,916 |
| 2026-03-16 | 5,600,686 | 64,709,572 |
| 2026-03-09 | 5,808,977 | 64,342,232 |
| 2026-03-02 | 5,596,072 | 60,356,866 |
| 2026-02-23 | 5,535,149 | 59,328,969 |
| 2026-02-16 | 5,211,647 | 50,332,130 |
| 2026-02-09 | 5,439,639 | 49,878,371 |
| 2026-02-02 | 5,184,199 | 45,264,557 |
| 2026-01-26 | 5,143,473 | 41,098,199 |
| 2026-01-19 | 5,032,782 | 37,835,667 |
| 2026-01-12 | 4,713,464 | 37,018,602 |
| 2026-01-05 | 4,520,638 | 33,229,627 |
| 2025-12-29 | 2,644,788 | 18,139,499 |
| 2025-12-22 | 2,770,912 | 18,687,141 |
| 2025-12-15 | 4,132,752 | 31,166,957 |
| 2025-12-08 | 4,020,779 | 31,515,674 |
| 2025-12-01 | 3,903,506 | 31,802,398 |
| 2025-11-24 | 3,648,814 | 27,592,682 |
| 2025-11-17 | 3,759,299 | 29,886,052 |
| 2025-11-10 | 3,506,574 | 28,770,096 |
| 2025-11-03 | 3,674,482 | 28,628,155 |
| 2025-10-27 | 3,355,601 | 28,066,020 |
| 2025-10-20 | 3,430,806 | 22,335,916 |
| 2025-10-13 | 3,704,424 | 27,351,744 |
| 2025-10-06 | 3,482,089 | 26,958,745 |
| 2025-09-29 | 3,354,009 | 26,009,991 |
| 2025-09-22 | 3,474,477 | 25,529,873 |
| 2025-09-15 | 3,721,290 | 25,858,178 |
| 2025-09-08 | 3,623,844 | 26,182,208 |
| 2025-09-01 | 3,128,276 | 23,957,971 |
| 2025-08-25 | 3,033,087 | 24,397,732 |
| 2025-08-18 | 2,830,163 | 23,645,218 |
| 2025-08-11 | 2,694,220 | 22,479,558 |
| 2025-08-04 | 2,789,609 | 22,885,998 |
| 2025-07-28 | 2,802,853 | 22,623,826 |
| 2025-07-21 | 2,620,981 | 22,048,155 |
| 2025-07-14 | 2,692,690 | 21,244,433 |
| 2025-07-07 | 2,792,443 | 21,442,149 |
| 2025-06-30 | 2,784,908 | 20,423,933 |
| 2025-06-23 | 3,186,339 | 22,083,937 |
| 2025-06-16 | 2,830,472 | 21,650,885 |
| 2025-06-09 | 2,571,715 | 20,073,307 |
| 2025-06-02 | 2,590,162 | 19,634,075 |
| 2025-05-26 | 2,447,628 | 18,411,064 |
| 2025-05-19 | 2,641,247 | 19,533,569 |
| 2025-05-12 | 2,550,965 | 19,078,947 |
| 2025-05-05 | 2,479,311 | 18,420,949 |
| 2025-04-28 | 2,350,532 | 17,035,052 |
| 2025-04-21 | 2,341,177 | 17,128,707 |
| 2025-04-14 | 2,379,110 | 17,307,156 |
| 2025-04-07 | 2,438,936 | 18,011,509 |
| 2025-03-31 | 2,483,520 | 18,603,989 |
| 2025-03-24 | 2,522,583 | 17,510,293 |
| 2025-03-17 | 2,515,808 | 18,022,170 |
| 2025-03-10 | 2,458,060 | 18,001,619 |
| 2025-03-03 | 2,439,604 | 17,613,478 |
| 2025-02-24 | 2,409,430 | 19,082,614 |
| 2025-02-17 | 2,355,940 | 17,762,704 |
| 2025-02-10 | 2,431,032 | 18,218,324 |
| 2025-02-03 | 2,384,759 | 17,228,603 |
| 2025-01-27 | 2,274,767 | 16,841,823 |
| 2025-01-20 | 2,267,716 | 15,835,645 |
| 2025-01-13 | 2,222,599 | 15,580,630 |
| 2025-01-06 | 2,129,583 | 14,231,021 |
| 2024-12-30 | 1,415,631 | 8,202,637 |
| 2024-12-23 | 1,315,465 | 7,381,560 |
| 2024-12-16 | 2,147,604 | 14,879,882 |
| 2024-12-09 | 2,227,653 | 14,388,416 |
| 2024-12-02 | 2,232,263 | 14,506,015 |
| 2024-11-25 | 2,069,394 | 13,040,325 |
| 2024-11-18 | 2,180,071 | 14,543,805 |
| 2024-11-11 | 2,026,649 | 13,235,621 |
| 2024-11-04 | 2,023,782 | 12,936,779 |
| 2024-10-28 | 1,965,367 | 12,670,640 |
| 2024-10-21 | 1,979,796 | 13,212,044 |
| 2024-10-14 | 1,852,758 | 13,045,042 |
| 2024-10-07 | 1,788,640 | 13,399,638 |
| 2024-09-30 | 1,757,771 | 12,253,154 |
| 2024-09-23 | 1,874,985 | 12,332,048 |
| 2024-09-16 | 1,840,518 | 11,803,358 |
| 2024-09-09 | 1,815,365 | 12,198,447 |
| 2024-09-02 | 1,692,610 | 11,430,335 |
| 2024-08-26 | 1,696,517 | 11,396,703 |
| 2024-08-19 | 1,642,669 | 11,581,215 |
| 2024-08-12 | 1,558,995 | 10,749,443 |
| 2024-08-05 | 1,639,815 | 10,259,985 |
| 2024-07-29 | 1,625,845 | 9,896,421 |
| 2024-07-22 | 1,565,313 | 9,603,506 |
| 2024-07-15 | 1,562,279 | 9,485,913 |
| 2024-07-08 | 1,436,046 | 9,364,640 |
| 2024-07-01 | 1,278,327 | 8,971,599 |
| 2024-06-24 | 1,335,942 | 9,461,696 |
| 2024-06-17 | 1,319,303 | 8,897,547 |
| 2024-06-10 | 1,333,183 | 9,304,259 |
| 2024-06-03 | 1,384,914 | 8,995,565 |
| 2024-05-27 | 1,313,426 | 8,457,031 |
| 2024-05-20 | 1,359,920 | 8,451,124 |
| 2024-05-13 | 1,419,688 | 8,732,317 |
| 2024-05-06 | 1,356,464 | 7,940,155 |
| 2024-04-29 | 1,313,812 | 7,638,932 |
| 2024-04-22 | 1,389,896 | 8,244,852 |
| 2024-04-15 | 1,401,027 | 8,336,229 |
| 2024-04-08 | 1,366,706 | 8,379,870 |
| 2024-04-01 | 1,315,466 | 8,038,039 |
| 2024-03-25 | 1,203,618 | 6,881,635 |
| 2024-03-18 | 1,368,757 | 8,476,395 |
| 2024-03-11 | 1,378,272 | 8,152,808 |
| 2024-03-04 | 1,423,064 | 7,919,256 |
| 2024-02-26 | 1,454,104 | 7,970,889 |
| 2024-02-19 | 1,352,802 | 7,327,763 |
| 2024-02-12 | 1,329,178 | 7,211,611 |
| 2024-02-05 | 1,319,212 | 6,955,183 |
| 2024-01-29 | 1,339,188 | 7,005,782 |
| 2024-01-22 | 1,279,404 | 6,626,999 |
| 2024-01-15 | 1,282,204 | 6,206,672 |
| 2024-01-08 | 1,214,046 | 6,388,064 |
| 2024-01-01 | 967,473 | 4,392,149 |
| 2023-12-25 | 664,333 | 2,720,226 |
| 2023-12-18 | 1,061,989 | 4,895,660 |
| 2023-12-11 | 1,283,015 | 5,578,440 |
| 2023-12-04 | 1,341,341 | 5,416,725 |
| 2023-11-27 | 1,410,683 | 5,312,741 |
| 2023-11-20 | 1,334,572 | 4,342,264 |
| 2023-11-13 | 1,428,722 | 4,624,733 |
| 2023-11-06 | 1,402,081 | 4,590,032 |
| 2023-10-30 | 945,019 | 3,152,763 |
| 2023-10-23 | 1,382,413 | 4,486,129 |
| 2023-10-16 | 1,395,582 | 4,498,875 |
| 2023-10-09 | 1,262,136 | 3,989,359 |
| 2023-10-02 | 1,203,536 | 3,746,143 |
| 2023-09-25 | 1,327,282 | 3,765,881 |
| 2023-09-18 | 1,346,516 | 3,768,729 |
| 2023-09-11 | 1,338,280 | 4,123,528 |
| 2023-09-04 | 1,304,061 | 3,701,432 |
| 2023-08-28 | 1,367,601 | 3,596,077 |
| 2023-08-21 | 1,379,497 | 3,717,643 |
| 2023-08-14 | 1,373,071 | 3,377,688 |
| 2023-08-07 | 1,400,923 | 3,402,400 |
| 2023-07-31 | 1,426,456 | 3,562,714 |
| 2023-07-24 | 1,426,700 | 3,253,436 |
| 2023-07-17 | 1,398,754 | 3,264,796 |
| 2023-07-10 | 1,380,852 | 3,428,930 |
| 2023-07-03 | 1,240,943 | 3,036,121 |
| 2023-06-26 | 1,302,784 | 3,129,445 |
| 2023-06-19 | 1,355,266 | 3,161,255 |
| 2023-06-12 | 1,387,873 | 3,327,750 |
| 2023-06-05 | 1,343,787 | 3,146,639 |
| 2023-05-29 | 1,280,346 | 3,029,502 |
| 2023-05-22 | 1,334,095 | 3,204,343 |
| 2023-05-15 | 1,344,476 | 3,282,466 |
| 2023-05-08 | 1,311,165 | 3,405,267 |
| 2023-05-01 | 1,199,675 | 3,161,219 |
| 2023-04-24 | 1,306,540 | 3,370,475 |
| 2023-04-17 | 1,292,442 | 3,227,923 |
| 2023-04-10 | 1,172,371 | 3,077,081 |
| 2023-04-03 | 1,116,419 | 2,997,744 |
| 2023-03-27 | 1,181,020 | 3,371,160 |
| 2023-03-20 | 1,191,480 | 3,508,582 |
| 2023-03-13 | 1,220,986 | 3,487,858 |
| 2023-03-06 | 1,177,020 | 3,430,178 |
| 2023-02-27 | 1,170,042 | 3,426,861 |
| 2023-02-20 | 1,096,660 | 3,648,324 |
| 2023-02-13 | 1,165,534 | 3,493,251 |
| 2023-02-06 | 1,144,491 | 3,587,946 |
| 2023-01-30 | 1,060,907 | 3,528,947 |
| 2023-01-23 | 1,011,241 | 3,423,240 |
| 2023-01-16 | 989,762 | 3,212,707 |
| 2023-01-09 | 1,000,050 | 3,373,296 |
| 2023-01-02 | 787,821 | 2,593,380 |
| 2022-12-26 | 494,523 | 1,546,598 |
| 2022-12-19 | 799,264 | 2,656,423 |
| 2022-12-12 | 1,007,712 | 3,195,830 |
| 2022-12-05 | 982,223 | 3,192,796 |
| 2022-11-28 | 984,205 | 3,138,344 |
| 2022-11-21 | 912,737 | 2,658,058 |
| 2022-11-14 | 1,018,695 | 2,987,449 |
| 2022-11-07 | 1,019,911 | 2,834,076 |
| 2022-10-31 | 987,912 | 2,731,951 |
| 2022-10-24 | 1,041,043 | 2,780,201 |
| 2022-10-17 | 1,052,937 | 2,689,757 |
| 2022-10-10 | 1,029,154 | 2,582,528 |
| 2022-10-03 | 993,263 | 2,557,060 |
| 2022-09-26 | 1,018,597 | 2,584,210 |
| 2022-09-19 | 1,053,017 | 2,471,959 |
| 2022-09-12 | 1,038,167 | 2,507,818 |
| 2022-09-05 | 977,694 | 2,383,152 |
| 2022-08-29 | 993,089 | 2,442,245 |
| 2022-08-22 | 982,415 | 2,455,797 |
| 2022-08-15 | 924,678 | 2,277,980 |
| 2022-08-08 | 921,845 | 2,201,050 |
| 2022-08-01 | 959,002 | 2,149,415 |
| 2022-07-25 | 941,337 | 1,996,996 |
| 2022-07-18 | 796,805 | 1,717,852 |
| 2022-07-11 | 931,455 | 1,902,907 |
| 2022-07-04 | 866,136 | 1,747,647 |
| 2022-06-27 | 938,124 | 1,766,212 |
| 2022-06-20 | 934,517 | 1,670,671 |
| 2022-06-13 | 955,324 | 1,659,063 |
| 2022-06-06 | 964,917 | 1,588,216 |
| 2022-05-30 | 907,729 | 1,528,524 |
| 2022-05-23 | 949,416 | 1,541,902 |
| 2022-05-16 | 1,015,775 | 1,585,154 |
| 2022-05-09 | 941,996 | 1,546,225 |
| 2022-05-02 | 853,935 | 1,393,591 |
| 2022-04-25 | 994,040 | 1,433,357 |
| 2022-04-18 | 1,452,922 | 1,225,539 |
| 2022-04-11 | 1,601,388 | 1,253,564 |
| 2022-04-04 | 987,722 | 1,320,580 |
| 2022-03-28 | 961,684 | 1,301,184 |
| 2022-03-21 | 916,339 | 1,269,688 |
| 2022-03-14 | 914,892 | 1,216,136 |
| 2022-03-07 | 842,751 | 1,136,434 |
| 2022-02-28 | 832,900 | 1,051,224 |
| 2022-02-21 | 739,437 | 960,936 |
| 2022-02-14 | 794,240 | 1,017,857 |
| 2022-02-07 | 762,077 | 917,438 |
| 2022-01-31 | 746,273 | 888,725 |
| 2022-01-24 | 723,733 | 776,088 |
| 2022-01-17 | 691,165 | 715,411 |
| 2022-01-10 | 689,512 | 672,800 |
| 2022-01-03 | 545,299 | 477,553 |
| 2021-12-27 | 287,397 | 284,136 |
| 2021-12-20 | 467,902 | 401,167 |
| 2021-12-13 | 651,528 | 481,389 |
| 2021-12-06 | 670,316 | 446,318 |
| 2021-11-29 | 686,329 | 413,176 |
| 2021-11-22 | 601,923 | 290,548 |
| 2021-11-15 | 632,519 | 274,295 |
| 2021-11-08 | 613,307 | 188,439 |
| 2021-11-01 | 608,723 | 128,021 |
| 2021-10-25 | 628,565 | 105,909 |
| 2021-10-18 | 635,914 | 106,032 |
| 2021-10-11 | 570,378 | 102,839 |
| 2021-10-04 | 609,099 | 83,365 |
| 2021-09-27 | 642,070 | 70,727 |
| 2021-09-20 | 649,940 | 69,353 |
| 2021-09-13 | 629,154 | 65,738 |
| 2021-09-06 | 549,070 | 59,233 |
| 2021-08-30 | 514,203 | 63,437 |
| 2021-08-23 | 542,682 | 63,281 |
| 2021-08-16 | 521,033 | 62,773 |
| 2021-08-09 | 507,154 | 61,473 |
| 2021-08-02 | 484,400 | 60,553 |
| 2021-07-26 | 469,502 | 59,880 |
| 2021-07-19 | 396,841 | 56,450 |
| 2021-07-12 | 10,381 | 3,012 |