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2 of 5 packages selected.
2-package comparison
valibot is the safest overall pick in this comparison
Measured metrics — each value links to its source.
| Signal | valibot | ajv |
|---|---|---|
| Release cadence | 0 releases in last 90 days | 0 releases in last 90 days |
| Last release | 19 days ago | 84 days ago |
| Open issues | 78 open issues | 282 open issues |
| Bus factor | top contributor makes 75.11% of commits | top contributor makes 86.77% of commits |
| OpenSSF score | not scored | 5.4/10 |
| Vulnerabilities | 0 known vulnerabilities | 0 known vulnerabilities |
| Types | ships TypeScript types | ships TypeScript types |
Daily downloads aggregated to weekly sums (last 5 years).
| Week | valibot | ajv |
|---|---|---|
| 2026-07-13 | 7,809,847 | 176,608,393 |
| 2026-07-06 | 13,348,590 | 250,995,472 |
| 2026-06-29 | 12,624,583 | 315,170,083 |
| 2026-06-22 | 12,767,404 | 321,843,432 |
| 2026-06-15 | 12,831,212 | 331,610,234 |
| 2026-06-08 | 12,234,713 | 320,754,224 |
| 2026-06-01 | 9,791,063 | 253,871,369 |
| 2026-05-25 | 10,917,346 | 290,096,050 |
| 2026-05-18 | 11,350,406 | 307,391,476 |
| 2026-05-11 | 10,939,977 | 305,597,714 |
| 2026-05-04 | 10,185,941 | 293,029,853 |
| 2026-04-27 | 9,411,410 | 290,670,363 |
| 2026-04-20 | 8,883,806 | 278,776,183 |
| 2026-04-13 | 8,294,240 | 267,411,201 |
| 2026-04-06 | 7,558,101 | 249,009,348 |
| 2026-03-30 | 7,004,157 | 249,495,279 |
| 2026-03-23 | 7,456,485 | 268,086,643 |
| 2026-03-16 | 7,041,204 | 280,924,123 |
| 2026-03-09 | 6,919,800 | 263,127,403 |
| 2026-03-02 | 6,579,211 | 259,851,034 |
| 2026-02-23 | 6,321,704 | 242,466,936 |
| 2026-02-16 | 6,004,696 | 209,246,745 |
| 2026-02-09 | 5,716,089 | 208,433,494 |
| 2026-02-02 | 5,808,779 | 231,192,497 |
| 2026-01-26 | 5,632,750 | 209,548,851 |
| 2026-01-19 | 5,383,814 | 203,017,838 |
| 2026-01-12 | 5,043,684 | 202,496,654 |
| 2026-01-05 | 4,646,764 | 171,201,570 |
| 2025-12-29 | 3,406,765 | 103,612,499 |
| 2025-12-22 | 3,497,588 | 99,708,608 |
| 2025-12-15 | 4,717,633 | 164,811,145 |
| 2025-12-08 | 4,863,173 | 172,448,832 |
| 2025-12-01 | 5,049,716 | 177,422,177 |
| 2025-11-24 | 4,392,660 | 167,226,616 |
| 2025-11-17 | 3,372,498 | 170,083,478 |
| 2025-11-10 | 2,217,037 | 161,385,476 |
| 2025-11-03 | 2,236,399 | 160,679,222 |
| 2025-10-27 | 2,142,556 | 159,676,014 |
| 2025-10-20 | 1,675,858 | 140,527,842 |
| 2025-10-13 | 1,904,640 | 157,944,195 |
| 2025-10-06 | 2,008,133 | 155,853,051 |
| 2025-09-29 | 1,919,659 | 151,753,055 |
| 2025-09-22 | 1,960,491 | 151,410,853 |
| 2025-09-15 | 1,882,102 | 152,943,336 |
| 2025-09-08 | 1,965,470 | 152,592,614 |
| 2025-09-01 | 1,607,796 | 143,927,631 |
| 2025-08-25 | 1,634,655 | 151,804,134 |
| 2025-08-18 | 1,617,368 | 145,089,163 |
| 2025-08-11 | 1,585,914 | 136,341,826 |
| 2025-08-04 | 1,613,032 | 140,713,078 |
| 2025-07-28 | 1,560,490 | 158,350,932 |
| 2025-07-21 | 1,467,219 | 143,748,348 |
| 2025-07-14 | 1,466,628 | 151,513,829 |
| 2025-07-07 | 1,460,662 | 157,751,587 |
| 2025-06-30 | 1,417,283 | 154,037,665 |
| 2025-06-23 | 1,481,485 | 179,294,199 |
| 2025-06-16 | 1,445,793 | 178,435,742 |
| 2025-06-09 | 1,382,789 | 154,684,247 |
| 2025-06-02 | 1,416,025 | 150,622,241 |
| 2025-05-26 | 1,316,204 | 137,113,558 |
| 2025-05-19 | 1,374,982 | 147,762,685 |
| 2025-05-12 | 1,324,394 | 141,231,070 |
| 2025-05-05 | 1,323,457 | 133,788,970 |
| 2025-04-28 | 1,210,737 | 122,696,394 |
| 2025-04-21 | 1,258,337 | 129,690,752 |
| 2025-04-14 | 1,283,462 | 125,806,064 |
| 2025-04-07 | 1,358,121 | 135,762,491 |
| 2025-03-31 | 1,329,599 | 136,101,220 |
| 2025-03-24 | 1,308,395 | 132,397,864 |
| 2025-03-17 | 1,243,525 | 130,853,467 |
| 2025-03-10 | 1,264,419 | 129,436,911 |
| 2025-03-03 | 1,225,210 | 126,104,732 |
| 2025-02-24 | 1,289,967 | 127,347,164 |
| 2025-02-17 | 1,245,877 | 124,454,743 |
| 2025-02-10 | 1,271,931 | 128,558,224 |
| 2025-02-03 | 1,242,466 | 133,866,908 |
| 2025-01-27 | 1,187,524 | 120,206,542 |
| 2025-01-20 | 1,124,123 | 117,709,751 |
| 2025-01-13 | 985,245 | 118,934,090 |
| 2025-01-06 | 833,767 | 112,008,002 |
| 2024-12-30 | 509,820 | 65,950,470 |
| 2024-12-23 | 410,257 | 58,848,003 |
| 2024-12-16 | 798,851 | 113,390,428 |
| 2024-12-09 | 753,465 | 117,904,857 |
| 2024-12-02 | 693,518 | 118,980,708 |
| 2024-11-25 | 627,508 | 121,032,004 |
| 2024-11-18 | 587,126 | 136,660,462 |
| 2024-11-11 | 506,602 | 124,549,333 |
| 2024-11-04 | 427,698 | 121,165,653 |
| 2024-10-28 | 418,621 | 109,936,457 |
| 2024-10-21 | 403,863 | 119,313,286 |
| 2024-10-14 | 373,282 | 113,000,557 |
| 2024-10-07 | 365,504 | 112,044,417 |
| 2024-09-30 | 428,170 | 107,369,097 |
| 2024-09-23 | 345,593 | 112,475,216 |
| 2024-09-16 | 329,301 | 109,046,743 |
| 2024-09-09 | 340,267 | 111,338,936 |
| 2024-09-02 | 300,118 | 105,363,310 |
| 2024-08-26 | 307,409 | 106,893,160 |
| 2024-08-19 | 298,688 | 104,419,653 |
| 2024-08-12 | 247,853 | 97,681,723 |
| 2024-08-05 | 256,849 | 103,500,010 |
| 2024-07-29 | 246,203 | 104,972,557 |
| 2024-07-22 | 231,841 | 105,262,158 |
| 2024-07-15 | 231,340 | 107,337,300 |
| 2024-07-08 | 236,993 | 105,583,399 |
| 2024-07-01 | 204,461 | 96,926,603 |
| 2024-06-24 | 208,575 | 103,229,476 |
| 2024-06-17 | 200,423 | 102,643,094 |
| 2024-06-10 | 201,028 | 104,744,184 |
| 2024-06-03 | 183,575 | 105,958,694 |
| 2024-05-27 | 164,149 | 100,473,638 |
| 2024-05-20 | 156,960 | 100,376,507 |
| 2024-05-13 | 160,296 | 103,193,416 |
| 2024-05-06 | 138,082 | 96,131,607 |
| 2024-04-29 | 136,445 | 92,694,117 |
| 2024-04-22 | 152,559 | 99,548,605 |
| 2024-04-15 | 136,723 | 101,352,635 |
| 2024-04-08 | 140,277 | 98,768,111 |
| 2024-04-01 | 132,081 | 96,100,435 |
| 2024-03-25 | 106,887 | 88,901,071 |
| 2024-03-18 | 131,008 | 103,577,448 |
| 2024-03-11 | 117,982 | 103,998,542 |
| 2024-03-04 | 106,011 | 103,593,729 |
| 2024-02-26 | 87,590 | 103,963,290 |
| 2024-02-19 | 76,797 | 99,089,137 |
| 2024-02-12 | 64,908 | 96,214,141 |
| 2024-02-05 | 59,860 | 98,888,516 |
| 2024-01-29 | 58,033 | 100,885,261 |
| 2024-01-22 | 52,579 | 97,765,722 |
| 2024-01-15 | 52,901 | 94,914,558 |
| 2024-01-08 | 46,134 | 93,969,035 |
| 2024-01-01 | 30,251 | 69,744,367 |
| 2023-12-25 | 21,333 | 48,152,796 |
| 2023-12-18 | 36,572 | 84,692,957 |
| 2023-12-11 | 32,870 | 95,099,786 |
| 2023-12-04 | 28,972 | 95,332,355 |
| 2023-11-27 | 26,678 | 98,023,700 |
| 2023-11-20 | 23,501 | 90,649,796 |
| 2023-11-13 | 22,494 | 96,623,341 |
| 2023-11-06 | 21,643 | 98,395,644 |
| 2023-10-30 | 11,546 | 68,018,493 |
| 2023-10-23 | 14,544 | 96,365,341 |
| 2023-10-16 | 14,222 | 98,350,297 |
| 2023-10-09 | 13,601 | 91,974,037 |
| 2023-10-02 | 11,560 | 91,889,835 |
| 2023-09-25 | 12,922 | 95,220,330 |
| 2023-09-18 | 10,569 | 95,383,542 |
| 2023-09-11 | 10,517 | 95,516,011 |
| 2023-09-04 | 8,703 | 90,137,641 |
| 2023-08-28 | 7,826 | 92,187,911 |
| 2023-08-21 | 6,747 | 93,707,510 |
| 2023-08-14 | 6,305 | 87,203,585 |
| 2023-08-07 | 5,085 | 91,291,181 |
| 2023-07-31 | 3,839 | 91,948,869 |
| 2023-07-24 | 1,541 | 92,123,664 |
| 2023-07-17 | 46 | 92,579,758 |
| 2023-07-10 | 71 | 93,735,875 |
| 2023-07-03 | 0 | 85,945,179 |
| 2023-06-26 | 0 | 89,620,374 |
| 2023-06-19 | 0 | 90,452,804 |
| 2023-06-12 | 0 | 94,233,783 |
| 2023-06-05 | 0 | 91,367,180 |
| 2023-05-29 | 0 | 86,825,338 |
| 2023-05-22 | 0 | 90,120,233 |
| 2023-05-15 | 0 | 89,700,496 |
| 2023-05-08 | 0 | 89,791,074 |
| 2023-05-01 | 0 | 83,114,006 |
| 2023-04-24 | 0 | 91,741,987 |
| 2023-04-17 | 0 | 90,215,316 |
| 2023-04-10 | 0 | 84,701,021 |
| 2023-04-03 | 0 | 83,312,760 |
| 2023-03-27 | 0 | 92,994,887 |
| 2023-03-20 | 0 | 91,606,444 |
| 2023-03-13 | 0 | 92,052,135 |
| 2023-03-06 | 0 | 89,199,753 |
| 2023-02-27 | 0 | 91,091,586 |
| 2023-02-20 | 0 | 88,535,063 |
| 2023-02-13 | 0 | 90,689,742 |
| 2023-02-06 | 0 | 92,694,316 |
| 2023-01-30 | 0 | 92,267,712 |
| 2023-01-23 | 0 | 85,819,195 |
| 2023-01-16 | 0 | 84,571,695 |
| 2023-01-09 | 0 | 86,969,705 |
| 2023-01-02 | 0 | 70,596,068 |
| 2022-12-26 | 0 | 47,119,083 |
| 2022-12-19 | 0 | 71,991,603 |
| 2022-12-12 | 0 | 84,490,671 |
| 2022-12-05 | 0 | 85,450,118 |
| 2022-11-28 | 0 | 85,739,764 |
| 2022-11-21 | 0 | 78,015,917 |
| 2022-11-14 | 0 | 88,555,511 |
| 2022-11-07 | 0 | 82,554,575 |
| 2022-10-31 | 0 | 79,142,149 |
| 2022-10-24 | 0 | 80,246,529 |
| 2022-10-17 | 0 | 80,562,174 |
| 2022-10-10 | 0 | 77,013,392 |
| 2022-10-03 | 0 | 75,540,187 |
| 2022-09-26 | 0 | 78,311,938 |
| 2022-09-19 | 0 | 75,886,363 |
| 2022-09-12 | 0 | 77,924,783 |
| 2022-09-05 | 0 | 73,061,004 |
| 2022-08-29 | 0 | 74,624,656 |
| 2022-08-22 | 0 | 75,601,131 |
| 2022-08-15 | 0 | 73,648,539 |
| 2022-08-08 | 0 | 74,255,506 |
| 2022-08-01 | 0 | 74,549,731 |
| 2022-07-25 | 0 | 74,484,063 |
| 2022-07-18 | 0 | 61,487,903 |
| 2022-07-11 | 0 | 70,034,664 |
| 2022-07-04 | 0 | 66,305,676 |
| 2022-06-27 | 0 | 70,707,641 |
| 2022-06-20 | 0 | 69,222,460 |
| 2022-06-13 | 0 | 68,574,369 |
| 2022-06-06 | 0 | 68,342,338 |
| 2022-05-30 | 0 | 67,251,476 |
| 2022-05-23 | 0 | 66,402,220 |
| 2022-05-16 | 0 | 69,540,653 |
| 2022-05-09 | 0 | 67,165,181 |
| 2022-05-02 | 0 | 60,800,857 |
| 2022-04-25 | 0 | 67,761,609 |
| 2022-04-18 | 0 | 62,896,097 |
| 2022-04-11 | 0 | 63,859,200 |
| 2022-04-04 | 0 | 69,493,765 |
| 2022-03-28 | 0 | 72,845,571 |
| 2022-03-21 | 0 | 70,997,699 |
| 2022-03-14 | 0 | 68,801,424 |
| 2022-03-07 | 0 | 68,152,245 |
| 2022-02-28 | 0 | 67,584,269 |
| 2022-02-21 | 0 | 66,216,003 |
| 2022-02-14 | 0 | 70,348,104 |
| 2022-02-07 | 0 | 71,273,287 |
| 2022-01-31 | 0 | 66,742,492 |
| 2022-01-24 | 0 | 65,420,862 |
| 2022-01-17 | 0 | 63,722,776 |
| 2022-01-10 | 0 | 62,291,434 |
| 2022-01-03 | 0 | 52,127,615 |
| 2021-12-27 | 0 | 34,474,651 |
| 2021-12-20 | 0 | 46,886,771 |
| 2021-12-13 | 0 | 58,987,733 |
| 2021-12-06 | 0 | 56,335,911 |
| 2021-11-29 | 0 | 56,632,928 |
| 2021-11-22 | 0 | 50,467,825 |
| 2021-11-15 | 0 | 55,391,876 |
| 2021-11-08 | 0 | 53,959,636 |
| 2021-11-01 | 0 | 52,336,909 |
| 2021-10-25 | 0 | 55,332,472 |
| 2021-10-18 | 0 | 54,745,281 |
| 2021-10-11 | 0 | 52,676,562 |
| 2021-10-04 | 0 | 53,206,887 |
| 2021-09-27 | 0 | 52,662,048 |
| 2021-09-20 | 0 | 51,476,712 |
| 2021-09-13 | 0 | 51,065,460 |
| 2021-09-06 | 0 | 47,323,708 |
| 2021-08-30 | 0 | 49,496,715 |
| 2021-08-23 | 0 | 48,375,096 |
| 2021-08-16 | 0 | 47,066,901 |
| 2021-08-09 | 0 | 46,864,610 |
| 2021-08-02 | 0 | 46,868,939 |
| 2021-07-26 | 0 | 47,301,489 |
| 2021-07-19 | 0 | 46,165,291 |
| 2021-07-12 | 0 | 2,302,135 |