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2-package comparison
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Measured metrics — each value links to its source.
| Signal | @nestjs/core | fastify |
|---|---|---|
| Release cadence | 0 releases in last 90 days | 0 releases in last 90 days |
| Last release | 9 days ago | 12 days ago |
| Open issues | 9 open issues | 72 open issues |
| Bus factor | top contributor makes 58.42% of commits | top contributor makes 23.15% of commits |
| OpenSSF score | 7.1/10 | 8.3/10 |
| Vulnerabilities | 0 known vulnerabilities | 0 known vulnerabilities |
| Types | ships TypeScript types | ships TypeScript types |
Daily downloads aggregated to weekly sums (last 5 years).
| Week | @nestjs/core | fastify |
|---|---|---|
| 2026-07-13 | 6,539,397 | 5,160,297 |
| 2026-07-06 | 9,156,285 | 8,870,813 |
| 2026-06-29 | 11,153,474 | 8,692,877 |
| 2026-06-22 | 11,522,042 | 8,846,595 |
| 2026-06-15 | 11,582,957 | 8,494,515 |
| 2026-06-08 | 11,434,238 | 8,443,087 |
| 2026-06-01 | 9,121,413 | 6,680,071 |
| 2026-05-25 | 9,989,773 | 7,307,661 |
| 2026-05-18 | 10,737,588 | 7,903,679 |
| 2026-05-11 | 10,490,760 | 7,687,311 |
| 2026-05-04 | 9,752,708 | 7,216,004 |
| 2026-04-27 | 9,068,996 | 6,816,536 |
| 2026-04-20 | 9,143,085 | 6,817,648 |
| 2026-04-13 | 9,130,652 | 6,610,291 |
| 2026-04-06 | 8,578,362 | 5,904,710 |
| 2026-03-30 | 8,043,450 | 5,584,564 |
| 2026-03-23 | 8,582,494 | 6,063,055 |
| 2026-03-16 | 8,412,450 | 5,911,199 |
| 2026-03-09 | 8,117,124 | 5,851,072 |
| 2026-03-02 | 7,820,076 | 5,595,109 |
| 2026-02-23 | 7,658,123 | 5,551,320 |
| 2026-02-16 | 6,886,873 | 4,918,036 |
| 2026-02-09 | 7,230,350 | 5,060,688 |
| 2026-02-02 | 7,107,465 | 5,150,074 |
| 2026-01-26 | 6,705,885 | 4,717,377 |
| 2026-01-19 | 6,536,700 | 4,409,155 |
| 2026-01-12 | 6,466,802 | 4,080,726 |
| 2026-01-05 | 5,677,254 | 3,356,668 |
| 2025-12-29 | 3,078,834 | 1,827,003 |
| 2025-12-22 | 3,482,928 | 1,912,088 |
| 2025-12-15 | 5,946,890 | 3,434,742 |
| 2025-12-08 | 6,111,264 | 3,430,749 |
| 2025-12-01 | 6,192,097 | 3,456,396 |
| 2025-11-24 | 5,731,534 | 3,110,385 |
| 2025-11-17 | 5,984,694 | 3,387,906 |
| 2025-11-10 | 5,689,439 | 3,255,233 |
| 2025-11-03 | 5,634,052 | 3,237,536 |
| 2025-10-27 | 5,639,393 | 3,113,179 |
| 2025-10-20 | 5,612,003 | 3,141,670 |
| 2025-10-13 | 5,409,859 | 3,099,453 |
| 2025-10-06 | 5,388,272 | 3,069,376 |
| 2025-09-29 | 5,143,456 | 3,034,493 |
| 2025-09-22 | 5,154,527 | 2,984,361 |
| 2025-09-15 | 5,263,384 | 2,897,246 |
| 2025-09-08 | 5,193,730 | 2,861,728 |
| 2025-09-01 | 4,932,512 | 2,632,734 |
| 2025-08-25 | 5,141,438 | 2,693,947 |
| 2025-08-18 | 4,985,745 | 2,661,648 |
| 2025-08-11 | 4,879,681 | 2,622,505 |
| 2025-08-04 | 5,036,025 | 2,580,012 |
| 2025-07-28 | 5,255,565 | 2,680,620 |
| 2025-07-21 | 5,210,901 | 2,532,623 |
| 2025-07-14 | 5,075,363 | 2,643,913 |
| 2025-07-07 | 5,231,681 | 2,669,991 |
| 2025-06-30 | 5,068,974 | 2,616,251 |
| 2025-06-23 | 5,488,994 | 2,877,226 |
| 2025-06-16 | 5,250,796 | 2,838,174 |
| 2025-06-09 | 4,939,722 | 2,583,001 |
| 2025-06-02 | 4,876,514 | 2,528,451 |
| 2025-05-26 | 4,629,845 | 2,354,496 |
| 2025-05-19 | 4,866,405 | 2,563,782 |
| 2025-05-12 | 4,802,729 | 2,535,492 |
| 2025-05-05 | 4,565,624 | 2,402,975 |
| 2025-04-28 | 4,118,424 | 2,231,758 |
| 2025-04-21 | 4,422,311 | 2,331,600 |
| 2025-04-14 | 4,316,715 | 2,313,100 |
| 2025-04-07 | 4,389,344 | 2,336,747 |
| 2025-03-31 | 4,320,515 | 2,465,727 |
| 2025-03-24 | 4,453,740 | 2,506,193 |
| 2025-03-17 | 4,405,708 | 2,472,315 |
| 2025-03-10 | 4,379,782 | 2,385,286 |
| 2025-03-03 | 4,271,255 | 2,339,301 |
| 2025-02-24 | 4,233,480 | 2,366,090 |
| 2025-02-17 | 4,122,271 | 2,287,919 |
| 2025-02-10 | 4,143,055 | 2,357,206 |
| 2025-02-03 | 4,139,419 | 2,252,655 |
| 2025-01-27 | 3,789,623 | 2,209,570 |
| 2025-01-20 | 3,910,324 | 2,207,559 |
| 2025-01-13 | 3,838,550 | 2,204,574 |
| 2025-01-06 | 3,550,737 | 2,046,843 |
| 2024-12-30 | 1,998,112 | 1,217,352 |
| 2024-12-23 | 2,004,654 | 1,131,517 |
| 2024-12-16 | 3,635,557 | 2,140,694 |
| 2024-12-09 | 3,848,796 | 2,210,252 |
| 2024-12-02 | 3,894,629 | 2,219,157 |
| 2024-11-25 | 3,886,525 | 2,150,573 |
| 2024-11-18 | 4,161,496 | 2,375,570 |
| 2024-11-11 | 3,839,091 | 2,185,858 |
| 2024-11-04 | 3,798,138 | 1,915,681 |
| 2024-10-28 | 3,575,075 | 1,782,631 |
| 2024-10-21 | 3,855,814 | 1,842,860 |
| 2024-10-14 | 3,583,014 | 1,811,614 |
| 2024-10-07 | 3,595,885 | 1,900,170 |
| 2024-09-30 | 3,442,599 | 1,807,907 |
| 2024-09-23 | 3,744,338 | 1,838,351 |
| 2024-09-16 | 3,579,676 | 1,803,715 |
| 2024-09-09 | 3,671,536 | 1,817,143 |
| 2024-09-02 | 3,412,836 | 1,736,702 |
| 2024-08-26 | 3,455,345 | 1,777,248 |
| 2024-08-19 | 3,363,293 | 1,812,390 |
| 2024-08-12 | 3,223,263 | 1,666,085 |
| 2024-08-05 | 3,407,096 | 1,704,875 |
| 2024-07-29 | 3,321,560 | 1,722,693 |
| 2024-07-22 | 3,374,059 | 1,710,940 |
| 2024-07-15 | 3,282,507 | 1,748,344 |
| 2024-07-08 | 3,357,611 | 1,668,083 |
| 2024-07-01 | 3,267,520 | 1,575,879 |
| 2024-06-24 | 3,423,913 | 1,638,813 |
| 2024-06-17 | 3,386,007 | 1,620,336 |
| 2024-06-10 | 3,394,760 | 1,616,854 |
| 2024-06-03 | 3,371,867 | 1,597,128 |
| 2024-05-27 | 3,142,013 | 1,550,710 |
| 2024-05-20 | 3,176,222 | 1,577,890 |
| 2024-05-13 | 3,230,232 | 1,699,037 |
| 2024-05-06 | 2,978,527 | 1,564,646 |
| 2024-04-29 | 2,828,550 | 1,494,048 |
| 2024-04-22 | 3,222,383 | 1,578,856 |
| 2024-04-15 | 3,188,382 | 1,736,957 |
| 2024-04-08 | 3,073,273 | 1,630,921 |
| 2024-04-01 | 3,016,335 | 1,566,697 |
| 2024-03-25 | 2,795,804 | 1,400,956 |
| 2024-03-18 | 3,201,701 | 1,814,590 |
| 2024-03-11 | 3,124,754 | 1,824,010 |
| 2024-03-04 | 3,046,759 | 1,847,527 |
| 2024-02-26 | 3,124,104 | 1,901,535 |
| 2024-02-19 | 3,031,912 | 1,796,443 |
| 2024-02-12 | 2,832,332 | 1,770,096 |
| 2024-02-05 | 2,932,960 | 1,732,937 |
| 2024-01-29 | 2,984,602 | 1,710,280 |
| 2024-01-22 | 2,906,926 | 1,655,753 |
| 2024-01-15 | 2,830,608 | 1,573,421 |
| 2024-01-08 | 2,751,995 | 1,423,645 |
| 2024-01-01 | 1,956,082 | 1,112,993 |
| 2023-12-25 | 1,386,988 | 744,108 |
| 2023-12-18 | 2,542,722 | 1,250,648 |
| 2023-12-11 | 2,824,319 | 1,463,872 |
| 2023-12-04 | 2,801,841 | 1,407,524 |
| 2023-11-27 | 2,826,092 | 1,423,066 |
| 2023-11-20 | 2,646,132 | 1,339,306 |
| 2023-11-13 | 2,903,539 | 1,366,926 |
| 2023-11-06 | 2,848,020 | 1,399,631 |
| 2023-10-30 | 1,910,618 | 972,652 |
| 2023-10-23 | 2,785,330 | 1,441,149 |
| 2023-10-16 | 2,844,156 | 1,426,736 |
| 2023-10-09 | 2,594,300 | 1,248,851 |
| 2023-10-02 | 2,610,115 | 1,249,630 |
| 2023-09-25 | 2,706,573 | 1,327,942 |
| 2023-09-18 | 2,748,463 | 1,337,542 |
| 2023-09-11 | 2,807,033 | 1,344,880 |
| 2023-09-04 | 2,573,423 | 1,220,168 |
| 2023-08-28 | 2,722,337 | 1,282,977 |
| 2023-08-21 | 2,674,268 | 1,253,624 |
| 2023-08-14 | 2,475,052 | 1,194,179 |
| 2023-08-07 | 2,542,041 | 1,268,026 |
| 2023-07-31 | 2,528,965 | 1,280,600 |
| 2023-07-24 | 2,539,169 | 1,244,803 |
| 2023-07-17 | 2,491,900 | 1,230,490 |
| 2023-07-10 | 2,474,190 | 1,188,501 |
| 2023-07-03 | 2,243,005 | 1,108,278 |
| 2023-06-26 | 2,401,785 | 1,118,218 |
| 2023-06-19 | 2,394,923 | 1,147,820 |
| 2023-06-12 | 2,442,868 | 1,153,397 |
| 2023-06-05 | 2,291,763 | 1,126,533 |
| 2023-05-29 | 2,227,959 | 1,128,375 |
| 2023-05-22 | 2,312,279 | 1,136,082 |
| 2023-05-15 | 2,286,021 | 1,133,076 |
| 2023-05-08 | 2,211,175 | 1,116,569 |
| 2023-05-01 | 1,959,838 | 1,018,079 |
| 2023-04-24 | 2,246,753 | 1,083,277 |
| 2023-04-17 | 2,184,930 | 1,043,205 |
| 2023-04-10 | 2,161,163 | 986,328 |
| 2023-04-03 | 2,126,438 | 934,106 |
| 2023-03-27 | 2,321,265 | 1,033,654 |
| 2023-03-20 | 2,320,581 | 1,065,410 |
| 2023-03-13 | 2,306,856 | 1,023,748 |
| 2023-03-06 | 2,158,992 | 991,150 |
| 2023-02-27 | 2,223,563 | 1,038,482 |
| 2023-02-20 | 2,095,014 | 962,833 |
| 2023-02-13 | 2,154,506 | 974,261 |
| 2023-02-06 | 2,152,894 | 1,050,540 |
| 2023-01-30 | 2,085,293 | 989,040 |
| 2023-01-23 | 1,943,019 | 926,705 |
| 2023-01-16 | 1,891,069 | 874,367 |
| 2023-01-09 | 1,947,397 | 897,240 |
| 2023-01-02 | 1,509,099 | 671,447 |
| 2022-12-26 | 1,020,052 | 400,656 |
| 2022-12-19 | 1,663,768 | 700,104 |
| 2022-12-12 | 1,917,405 | 872,836 |
| 2022-12-05 | 1,882,008 | 864,131 |
| 2022-11-28 | 1,955,366 | 842,130 |
| 2022-11-21 | 1,774,943 | 787,452 |
| 2022-11-14 | 1,913,500 | 852,964 |
| 2022-11-07 | 1,858,750 | 949,820 |
| 2022-10-31 | 1,760,851 | 861,979 |
| 2022-10-24 | 1,817,751 | 836,683 |
| 2022-10-17 | 1,786,627 | 790,955 |
| 2022-10-10 | 1,680,210 | 728,594 |
| 2022-10-03 | 1,706,183 | 723,150 |
| 2022-09-26 | 1,765,798 | 741,175 |
| 2022-09-19 | 1,683,189 | 709,338 |
| 2022-09-12 | 1,710,084 | 712,906 |
| 2022-09-05 | 1,589,718 | 655,745 |
| 2022-08-29 | 1,630,644 | 696,700 |
| 2022-08-22 | 1,651,104 | 721,753 |
| 2022-08-15 | 1,518,228 | 645,175 |
| 2022-08-08 | 1,527,658 | 619,847 |
| 2022-08-01 | 1,530,286 | 600,270 |
| 2022-07-25 | 1,532,001 | 607,615 |
| 2022-07-18 | 1,291,455 | 692,543 |
| 2022-07-11 | 1,492,480 | 1,774,760 |
| 2022-07-04 | 1,417,084 | 548,492 |
| 2022-06-27 | 1,450,559 | 556,584 |
| 2022-06-20 | 1,427,291 | 548,694 |
| 2022-06-13 | 1,438,972 | 550,332 |
| 2022-06-06 | 1,420,426 | 547,420 |
| 2022-05-30 | 1,415,096 | 538,907 |
| 2022-05-23 | 1,362,779 | 503,478 |
| 2022-05-16 | 1,415,817 | 527,015 |
| 2022-05-09 | 1,386,029 | 507,989 |
| 2022-05-02 | 1,209,331 | 458,235 |
| 2022-04-25 | 1,352,869 | 514,152 |
| 2022-04-18 | 1,216,891 | 439,139 |
| 2022-04-11 | 1,227,304 | 438,248 |
| 2022-04-04 | 1,341,812 | 459,937 |
| 2022-03-28 | 1,323,266 | 458,128 |
| 2022-03-21 | 1,325,071 | 443,524 |
| 2022-03-14 | 1,264,481 | 435,110 |
| 2022-03-07 | 1,228,405 | 432,140 |
| 2022-02-28 | 1,205,921 | 412,636 |
| 2022-02-21 | 1,188,378 | 407,026 |
| 2022-02-14 | 1,280,235 | 423,541 |
| 2022-02-07 | 1,216,658 | 411,077 |
| 2022-01-31 | 1,135,902 | 394,698 |
| 2022-01-24 | 1,145,561 | 390,086 |
| 2022-01-17 | 1,140,766 | 396,375 |
| 2022-01-10 | 1,108,034 | 377,661 |
| 2022-01-03 | 856,689 | 318,231 |
| 2021-12-27 | 575,649 | 231,466 |
| 2021-12-20 | 869,324 | 320,013 |
| 2021-12-13 | 1,076,003 | 427,469 |
| 2021-12-06 | 1,064,885 | 375,835 |
| 2021-11-29 | 1,081,832 | 362,650 |
| 2021-11-22 | 1,007,737 | 307,303 |
| 2021-11-15 | 1,060,622 | 343,234 |
| 2021-11-08 | 1,004,431 | 355,841 |
| 2021-11-01 | 909,834 | 296,738 |
| 2021-10-25 | 967,467 | 308,666 |
| 2021-10-18 | 1,013,712 | 309,353 |
| 2021-10-11 | 955,024 | 283,097 |
| 2021-10-04 | 973,419 | 289,035 |
| 2021-09-27 | 958,344 | 296,870 |
| 2021-09-20 | 912,758 | 287,844 |
| 2021-09-13 | 894,437 | 274,753 |
| 2021-09-06 | 847,449 | 254,810 |
| 2021-08-30 | 822,553 | 263,574 |
| 2021-08-23 | 811,285 | 259,705 |
| 2021-08-16 | 773,560 | 246,989 |
| 2021-08-09 | 757,989 | 249,371 |
| 2021-08-02 | 765,025 | 262,338 |
| 2021-07-26 | 754,856 | 247,681 |
| 2021-07-19 | 706,143 | 235,078 |
| 2021-07-12 | 31,365 | 11,656 |