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2 of 5 packages selected.
2-package comparison
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Measured metrics — each value links to its source.
| Signal | fastify | koa |
|---|---|---|
| Release cadence | 0 releases in last 90 days | 1 release in last 90 days |
| Last release | 12 days ago | 57 days ago |
| Open issues | 72 open issues | 18 open issues |
| Bus factor | top contributor makes 23.15% of commits | top contributor makes 32.89% of commits |
| OpenSSF score | 8.3/10 | 6/10 |
| Vulnerabilities | 0 known vulnerabilities | 0 known vulnerabilities |
| Types | ships TypeScript types | ships TypeScript types |
Daily downloads aggregated to weekly sums (last 5 years).
| Week | fastify | koa |
|---|---|---|
| 2026-07-13 | 5,160,297 | 4,217,360 |
| 2026-07-06 | 8,870,813 | 7,320,842 |
| 2026-06-29 | 8,692,877 | 7,724,380 |
| 2026-06-22 | 8,846,595 | 8,430,597 |
| 2026-06-15 | 8,494,515 | 7,771,859 |
| 2026-06-08 | 8,443,087 | 8,095,263 |
| 2026-06-01 | 6,680,071 | 6,456,677 |
| 2026-05-25 | 7,307,661 | 7,366,089 |
| 2026-05-18 | 7,903,679 | 8,001,139 |
| 2026-05-11 | 7,687,311 | 6,472,705 |
| 2026-05-04 | 7,216,004 | 7,834,994 |
| 2026-04-27 | 6,816,536 | 7,840,682 |
| 2026-04-20 | 6,817,648 | 7,378,829 |
| 2026-04-13 | 6,610,291 | 6,997,739 |
| 2026-04-06 | 5,904,710 | 6,421,191 |
| 2026-03-30 | 5,584,564 | 6,273,466 |
| 2026-03-23 | 6,063,055 | 6,860,220 |
| 2026-03-16 | 5,911,199 | 6,809,226 |
| 2026-03-09 | 5,851,072 | 6,963,894 |
| 2026-03-02 | 5,595,109 | 6,859,551 |
| 2026-02-23 | 5,551,320 | 6,564,654 |
| 2026-02-16 | 4,918,036 | 5,853,415 |
| 2026-02-09 | 5,060,688 | 6,129,308 |
| 2026-02-02 | 5,150,074 | 6,018,209 |
| 2026-01-26 | 4,717,377 | 5,838,565 |
| 2026-01-19 | 4,409,155 | 5,410,351 |
| 2026-01-12 | 4,080,726 | 5,430,714 |
| 2026-01-05 | 3,356,668 | 4,866,550 |
| 2025-12-29 | 1,827,003 | 2,372,204 |
| 2025-12-22 | 1,912,088 | 2,648,336 |
| 2025-12-15 | 3,434,742 | 5,181,740 |
| 2025-12-08 | 3,430,749 | 5,432,663 |
| 2025-12-01 | 3,456,396 | 5,565,160 |
| 2025-11-24 | 3,110,385 | 4,996,968 |
| 2025-11-17 | 3,387,906 | 5,436,551 |
| 2025-11-10 | 3,255,233 | 5,272,685 |
| 2025-11-03 | 3,237,536 | 5,298,035 |
| 2025-10-27 | 3,113,179 | 5,156,035 |
| 2025-10-20 | 3,141,670 | 5,113,133 |
| 2025-10-13 | 3,099,453 | 4,977,262 |
| 2025-10-06 | 3,069,376 | 4,959,027 |
| 2025-09-29 | 3,034,493 | 4,901,637 |
| 2025-09-22 | 2,984,361 | 4,863,549 |
| 2025-09-15 | 2,897,246 | 4,825,600 |
| 2025-09-08 | 2,861,728 | 4,899,522 |
| 2025-09-01 | 2,632,734 | 4,526,367 |
| 2025-08-25 | 2,693,947 | 4,802,306 |
| 2025-08-18 | 2,661,648 | 4,617,287 |
| 2025-08-11 | 2,622,505 | 4,380,191 |
| 2025-08-04 | 2,580,012 | 4,395,331 |
| 2025-07-28 | 2,680,620 | 4,534,493 |
| 2025-07-21 | 2,532,623 | 4,496,935 |
| 2025-07-14 | 2,643,913 | 4,514,721 |
| 2025-07-07 | 2,669,991 | 4,531,432 |
| 2025-06-30 | 2,616,251 | 4,323,493 |
| 2025-06-23 | 2,877,226 | 4,577,765 |
| 2025-06-16 | 2,838,174 | 4,478,511 |
| 2025-06-09 | 2,583,001 | 4,254,404 |
| 2025-06-02 | 2,528,451 | 4,248,594 |
| 2025-05-26 | 2,354,496 | 3,859,095 |
| 2025-05-19 | 2,563,782 | 4,088,614 |
| 2025-05-12 | 2,535,492 | 4,065,936 |
| 2025-05-05 | 2,402,975 | 3,827,915 |
| 2025-04-28 | 2,231,758 | 3,333,955 |
| 2025-04-21 | 2,331,600 | 3,458,558 |
| 2025-04-14 | 2,313,100 | 3,427,344 |
| 2025-04-07 | 2,336,747 | 3,528,826 |
| 2025-03-31 | 2,465,727 | 3,474,835 |
| 2025-03-24 | 2,506,193 | 3,295,196 |
| 2025-03-17 | 2,472,315 | 3,452,992 |
| 2025-03-10 | 2,385,286 | 3,549,010 |
| 2025-03-03 | 2,339,301 | 3,618,836 |
| 2025-02-24 | 2,366,090 | 3,667,302 |
| 2025-02-17 | 2,287,919 | 3,400,559 |
| 2025-02-10 | 2,357,206 | 3,427,487 |
| 2025-02-03 | 2,252,655 | 3,234,990 |
| 2025-01-27 | 2,209,570 | 3,105,112 |
| 2025-01-20 | 2,207,559 | 2,902,764 |
| 2025-01-13 | 2,204,574 | 2,922,443 |
| 2025-01-06 | 2,046,843 | 2,694,368 |
| 2024-12-30 | 1,217,352 | 1,487,723 |
| 2024-12-23 | 1,131,517 | 1,276,197 |
| 2024-12-16 | 2,140,694 | 2,844,182 |
| 2024-12-09 | 2,210,252 | 2,763,524 |
| 2024-12-02 | 2,219,157 | 2,865,091 |
| 2024-11-25 | 2,150,573 | 2,615,889 |
| 2024-11-18 | 2,375,570 | 3,085,792 |
| 2024-11-11 | 2,185,858 | 2,836,438 |
| 2024-11-04 | 1,915,681 | 2,791,063 |
| 2024-10-28 | 1,782,631 | 2,650,204 |
| 2024-10-21 | 1,842,860 | 2,801,597 |
| 2024-10-14 | 1,811,614 | 2,713,825 |
| 2024-10-07 | 1,900,170 | 2,832,079 |
| 2024-09-30 | 1,807,907 | 2,454,609 |
| 2024-09-23 | 1,838,351 | 2,369,067 |
| 2024-09-16 | 1,803,715 | 2,256,739 |
| 2024-09-09 | 1,817,143 | 2,396,357 |
| 2024-09-02 | 1,736,702 | 2,238,950 |
| 2024-08-26 | 1,777,248 | 2,160,835 |
| 2024-08-19 | 1,812,390 | 2,085,089 |
| 2024-08-12 | 1,666,085 | 2,031,764 |
| 2024-08-05 | 1,704,875 | 2,136,249 |
| 2024-07-29 | 1,722,693 | 1,887,619 |
| 2024-07-22 | 1,710,940 | 1,827,798 |
| 2024-07-15 | 1,748,344 | 1,723,058 |
| 2024-07-08 | 1,668,083 | 1,646,438 |
| 2024-07-01 | 1,575,879 | 1,581,893 |
| 2024-06-24 | 1,638,813 | 1,718,714 |
| 2024-06-17 | 1,620,336 | 1,683,760 |
| 2024-06-10 | 1,616,854 | 1,699,871 |
| 2024-06-03 | 1,597,128 | 1,671,508 |
| 2024-05-27 | 1,550,710 | 1,585,009 |
| 2024-05-20 | 1,577,890 | 1,600,351 |
| 2024-05-13 | 1,699,037 | 1,645,169 |
| 2024-05-06 | 1,564,646 | 1,510,792 |
| 2024-04-29 | 1,494,048 | 1,491,744 |
| 2024-04-22 | 1,578,856 | 1,635,666 |
| 2024-04-15 | 1,736,957 | 1,620,867 |
| 2024-04-08 | 1,630,921 | 1,595,157 |
| 2024-04-01 | 1,566,697 | 1,485,500 |
| 2024-03-25 | 1,400,956 | 1,467,686 |
| 2024-03-18 | 1,814,590 | 1,710,111 |
| 2024-03-11 | 1,824,010 | 1,648,978 |
| 2024-03-04 | 1,847,527 | 1,720,193 |
| 2024-02-26 | 1,901,535 | 1,667,530 |
| 2024-02-19 | 1,796,443 | 1,494,268 |
| 2024-02-12 | 1,770,096 | 1,468,526 |
| 2024-02-05 | 1,732,937 | 1,520,467 |
| 2024-01-29 | 1,710,280 | 1,507,504 |
| 2024-01-22 | 1,655,753 | 1,443,543 |
| 2024-01-15 | 1,573,421 | 1,426,237 |
| 2024-01-08 | 1,423,645 | 1,408,969 |
| 2024-01-01 | 1,112,993 | 1,076,188 |
| 2023-12-25 | 744,108 | 704,282 |
| 2023-12-18 | 1,250,648 | 1,284,358 |
| 2023-12-11 | 1,463,872 | 1,463,240 |
| 2023-12-04 | 1,407,524 | 1,456,660 |
| 2023-11-27 | 1,423,066 | 1,542,698 |
| 2023-11-20 | 1,339,306 | 1,330,161 |
| 2023-11-13 | 1,366,926 | 1,473,475 |
| 2023-11-06 | 1,399,631 | 1,509,800 |
| 2023-10-30 | 972,652 | 1,048,517 |
| 2023-10-23 | 1,441,149 | 1,508,799 |
| 2023-10-16 | 1,426,736 | 1,583,442 |
| 2023-10-09 | 1,248,851 | 1,449,419 |
| 2023-10-02 | 1,249,630 | 1,486,789 |
| 2023-09-25 | 1,327,942 | 1,523,998 |
| 2023-09-18 | 1,337,542 | 1,529,363 |
| 2023-09-11 | 1,344,880 | 1,532,502 |
| 2023-09-04 | 1,220,168 | 1,510,549 |
| 2023-08-28 | 1,282,977 | 1,654,810 |
| 2023-08-21 | 1,253,624 | 1,681,499 |
| 2023-08-14 | 1,194,179 | 1,595,790 |
| 2023-08-07 | 1,268,026 | 1,776,843 |
| 2023-07-31 | 1,280,600 | 1,828,886 |
| 2023-07-24 | 1,244,803 | 1,533,953 |
| 2023-07-17 | 1,230,490 | 1,566,191 |
| 2023-07-10 | 1,188,501 | 1,734,206 |
| 2023-07-03 | 1,108,278 | 1,462,764 |
| 2023-06-26 | 1,118,218 | 1,539,715 |
| 2023-06-19 | 1,147,820 | 1,505,612 |
| 2023-06-12 | 1,153,397 | 1,606,645 |
| 2023-06-05 | 1,126,533 | 1,421,979 |
| 2023-05-29 | 1,128,375 | 1,360,332 |
| 2023-05-22 | 1,136,082 | 1,451,311 |
| 2023-05-15 | 1,133,076 | 1,601,880 |
| 2023-05-08 | 1,116,569 | 1,593,611 |
| 2023-05-01 | 1,018,079 | 1,484,945 |
| 2023-04-24 | 1,083,277 | 1,636,826 |
| 2023-04-17 | 1,043,205 | 1,616,521 |
| 2023-04-10 | 986,328 | 1,535,127 |
| 2023-04-03 | 934,106 | 1,422,928 |
| 2023-03-27 | 1,033,654 | 1,609,143 |
| 2023-03-20 | 1,065,410 | 1,637,347 |
| 2023-03-13 | 1,023,748 | 1,636,444 |
| 2023-03-06 | 991,150 | 1,671,486 |
| 2023-02-27 | 1,038,482 | 1,618,806 |
| 2023-02-20 | 962,833 | 1,522,183 |
| 2023-02-13 | 974,261 | 1,606,926 |
| 2023-02-06 | 1,050,540 | 1,513,567 |
| 2023-01-30 | 989,040 | 1,562,700 |
| 2023-01-23 | 926,705 | 1,447,523 |
| 2023-01-16 | 874,367 | 1,391,789 |
| 2023-01-09 | 897,240 | 1,456,528 |
| 2023-01-02 | 671,447 | 1,158,122 |
| 2022-12-26 | 400,656 | 752,073 |
| 2022-12-19 | 700,104 | 1,173,330 |
| 2022-12-12 | 872,836 | 1,446,424 |
| 2022-12-05 | 864,131 | 1,469,255 |
| 2022-11-28 | 842,130 | 1,349,183 |
| 2022-11-21 | 787,452 | 1,200,854 |
| 2022-11-14 | 852,964 | 1,315,584 |
| 2022-11-07 | 949,820 | 1,335,394 |
| 2022-10-31 | 861,979 | 1,311,380 |
| 2022-10-24 | 836,683 | 1,373,391 |
| 2022-10-17 | 790,955 | 1,377,089 |
| 2022-10-10 | 728,594 | 1,317,258 |
| 2022-10-03 | 723,150 | 1,381,076 |
| 2022-09-26 | 741,175 | 1,432,382 |
| 2022-09-19 | 709,338 | 1,364,725 |
| 2022-09-12 | 712,906 | 1,400,506 |
| 2022-09-05 | 655,745 | 1,354,255 |
| 2022-08-29 | 696,700 | 1,428,381 |
| 2022-08-22 | 721,753 | 1,437,419 |
| 2022-08-15 | 645,175 | 1,282,923 |
| 2022-08-08 | 619,847 | 1,328,010 |
| 2022-08-01 | 600,270 | 1,366,362 |
| 2022-07-25 | 607,615 | 1,305,816 |
| 2022-07-18 | 692,543 | 1,133,614 |
| 2022-07-11 | 1,774,760 | 1,318,022 |
| 2022-07-04 | 548,492 | 1,207,439 |
| 2022-06-27 | 556,584 | 1,231,915 |
| 2022-06-20 | 548,694 | 1,224,596 |
| 2022-06-13 | 550,332 | 1,241,151 |
| 2022-06-06 | 547,420 | 1,244,399 |
| 2022-05-30 | 538,907 | 1,231,807 |
| 2022-05-23 | 503,478 | 1,217,298 |
| 2022-05-16 | 527,015 | 1,240,619 |
| 2022-05-09 | 507,989 | 1,240,010 |
| 2022-05-02 | 458,235 | 1,157,782 |
| 2022-04-25 | 514,152 | 1,218,769 |
| 2022-04-18 | 439,139 | 1,094,688 |
| 2022-04-11 | 438,248 | 1,105,503 |
| 2022-04-04 | 459,937 | 1,158,869 |
| 2022-03-28 | 458,128 | 1,163,786 |
| 2022-03-21 | 443,524 | 1,118,778 |
| 2022-03-14 | 435,110 | 1,127,610 |
| 2022-03-07 | 432,140 | 1,169,653 |
| 2022-02-28 | 412,636 | 1,201,059 |
| 2022-02-21 | 407,026 | 1,265,172 |
| 2022-02-14 | 423,541 | 1,348,878 |
| 2022-02-07 | 411,077 | 1,337,343 |
| 2022-01-31 | 394,698 | 1,271,380 |
| 2022-01-24 | 390,086 | 1,255,762 |
| 2022-01-17 | 396,375 | 1,244,902 |
| 2022-01-10 | 377,661 | 1,231,288 |
| 2022-01-03 | 318,231 | 1,063,894 |
| 2021-12-27 | 231,466 | 744,515 |
| 2021-12-20 | 320,013 | 968,147 |
| 2021-12-13 | 427,469 | 1,168,079 |
| 2021-12-06 | 375,835 | 1,255,502 |
| 2021-11-29 | 362,650 | 1,319,364 |
| 2021-11-22 | 307,303 | 1,179,401 |
| 2021-11-15 | 343,234 | 1,215,142 |
| 2021-11-08 | 355,841 | 1,232,942 |
| 2021-11-01 | 296,738 | 1,189,103 |
| 2021-10-25 | 308,666 | 1,275,223 |
| 2021-10-18 | 309,353 | 1,257,658 |
| 2021-10-11 | 283,097 | 1,183,972 |
| 2021-10-04 | 289,035 | 1,241,338 |
| 2021-09-27 | 296,870 | 1,231,031 |
| 2021-09-20 | 287,844 | 1,174,235 |
| 2021-09-13 | 274,753 | 1,117,340 |
| 2021-09-06 | 254,810 | 1,086,939 |
| 2021-08-30 | 263,574 | 1,104,875 |
| 2021-08-23 | 259,705 | 1,017,922 |
| 2021-08-16 | 246,989 | 917,342 |
| 2021-08-09 | 249,371 | 910,592 |
| 2021-08-02 | 262,338 | 880,607 |
| 2021-07-26 | 247,681 | 871,155 |
| 2021-07-19 | 235,078 | 859,058 |
| 2021-07-12 | 11,656 | 43,549 |