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