joivsajv

Winner: joi

joi is the safest overall pick in this comparison

joi74/100

ajv55/100

Measured evidence

Health scores: joi: 74/100, ajv: 55/100.
Releases in the last 90 days: joi: 0, ajv: 0.
Known vulnerabilities: joi: 0, ajv: 0.
OpenSSF scores: joi: 6.2/10, ajv: 5.4/10.

Caveats

The score favors joi, but ecosystem fit and API ergonomics can still outweigh the measured gap.

Package details

Risk signals

Measured metrics — each value links to its source.

Signal	joi	ajv
Release cadence	0 releases in last 90 days	0 releases in last 90 days
Last release	30 days ago	84 days ago
Open issues	176 open issues	282 open issues
Bus factor	top contributor makes 46.3% of commits	top contributor makes 86.77% of commits
OpenSSF score	6.2/10	5.4/10
Vulnerabilities	0 known vulnerabilities	0 known vulnerabilities
Types	ships TypeScript types	ships TypeScript types

Weekly npm downloads

Daily downloads aggregated to weekly sums (last 5 years).

joiajv

View as table

Week	joi	ajv
2026-07-13	12,012,056	176,608,393
2026-07-06	16,574,465	250,995,472
2026-06-29	21,049,176	315,170,083
2026-06-22	22,445,180	321,843,432
2026-06-15	23,156,615	331,610,234
2026-06-08	22,488,039	320,754,224
2026-06-01	17,515,569	253,871,369
2026-05-25	19,374,327	290,096,050
2026-05-18	21,048,937	307,391,476
2026-05-11	21,416,116	305,597,714
2026-05-04	20,065,998	293,029,853
2026-04-27	19,115,400	290,670,363
2026-04-20	19,077,641	278,776,183
2026-04-13	18,468,976	267,411,201
2026-04-06	17,796,105	249,009,348
2026-03-30	17,402,229	249,495,279
2026-03-23	18,586,579	268,086,643
2026-03-16	18,005,529	280,924,123
2026-03-09	18,795,676	263,127,403
2026-03-02	18,234,253	259,851,034
2026-02-23	17,697,583	242,466,936
2026-02-16	15,658,075	209,246,745
2026-02-09	16,246,681	208,433,494
2026-02-02	16,426,316	231,192,497
2026-01-26	16,016,195	209,548,851
2026-01-19	14,906,404	203,017,838
2026-01-12	14,549,168	202,496,654
2026-01-05	13,183,645	171,201,570
2025-12-29	7,056,288	103,612,499
2025-12-22	7,534,529	99,708,608
2025-12-15	13,773,353	164,811,145
2025-12-08	14,355,762	172,448,832
2025-12-01	14,967,954	177,422,177
2025-11-24	13,604,161	167,226,616
2025-11-17	14,433,032	170,083,478
2025-11-10	13,899,882	161,385,476
2025-11-03	14,035,585	160,679,222
2025-10-27	13,857,546	159,676,014
2025-10-20	11,692,925	140,527,842
2025-10-13	13,527,239	157,944,195
2025-10-06	13,355,488	155,853,051
2025-09-29	12,945,292	151,753,055
2025-09-22	13,103,445	151,410,853
2025-09-15	12,891,349	152,943,336
2025-09-08	12,683,638	152,592,614
2025-09-01	12,295,728	143,927,631
2025-08-25	13,592,128	151,804,134
2025-08-18	12,494,998	145,089,163
2025-08-11	11,600,218	136,341,826
2025-08-04	11,854,002	140,713,078
2025-07-28	12,527,803	158,350,932
2025-07-21	12,089,354	143,748,348
2025-07-14	12,436,407	151,513,829
2025-07-07	12,539,705	157,751,587
2025-06-30	12,320,431	154,037,665
2025-06-23	13,876,921	179,294,199
2025-06-16	13,526,608	178,435,742
2025-06-09	12,357,646	154,684,247
2025-06-02	12,202,762	150,622,241
2025-05-26	11,283,088	137,113,558
2025-05-19	12,388,688	147,762,685
2025-05-12	12,063,851	141,231,070
2025-05-05	11,223,589	133,788,970
2025-04-28	10,331,274	122,696,394
2025-04-21	10,973,241	129,690,752
2025-04-14	10,919,869	125,806,064
2025-04-07	11,636,774	135,762,491
2025-03-31	11,418,912	136,101,220
2025-03-24	11,933,272	132,397,864
2025-03-17	11,515,180	130,853,467
2025-03-10	11,468,139	129,436,911
2025-03-03	11,044,093	126,104,732
2025-02-24	11,186,826	127,347,164
2025-02-17	10,860,205	124,454,743
2025-02-10	11,328,010	128,558,224
2025-02-03	11,165,460	133,866,908
2025-01-27	10,406,965	120,206,542
2025-01-20	10,470,779	117,709,751
2025-01-13	10,341,863	118,934,090
2025-01-06	9,748,074	112,008,002
2024-12-30	5,520,802	65,950,470
2024-12-23	4,946,970	58,848,003
2024-12-16	10,048,735	113,390,428
2024-12-09	10,748,150	117,904,857
2024-12-02	10,730,375	118,980,708
2024-11-25	10,056,233	121,032,004
2024-11-18	11,378,199	136,660,462
2024-11-11	10,690,107	124,549,333
2024-11-04	11,048,259	121,165,653
2024-10-28	10,563,897	109,936,457
2024-10-21	11,263,774	119,313,286
2024-10-14	10,518,083	113,000,557
2024-10-07	10,496,098	112,044,417
2024-09-30	10,246,911	107,369,097
2024-09-23	10,743,416	112,475,216
2024-09-16	10,279,652	109,046,743
2024-09-09	10,514,533	111,338,936
2024-09-02	9,806,959	105,363,310
2024-08-26	10,089,532	106,893,160
2024-08-19	9,850,171	104,419,653
2024-08-12	9,268,396	97,681,723
2024-08-05	9,740,339	103,500,010
2024-07-29	9,772,032	104,972,557
2024-07-22	9,740,304	105,262,158
2024-07-15	9,918,564	107,337,300
2024-07-08	9,913,742	105,583,399
2024-07-01	9,106,924	96,926,603
2024-06-24	9,836,328	103,229,476
2024-06-17	9,861,289	102,643,094
2024-06-10	9,956,439	104,744,184
2024-06-03	9,964,604	105,958,694
2024-05-27	9,378,041	100,473,638
2024-05-20	9,642,768	100,376,507
2024-05-13	9,900,767	103,193,416
2024-05-06	9,529,257	96,131,607
2024-04-29	9,193,910	92,694,117
2024-04-22	9,868,664	99,548,605
2024-04-15	9,723,101	101,352,635
2024-04-08	9,438,640	98,768,111
2024-04-01	9,300,172	96,100,435
2024-03-25	8,403,911	88,901,071
2024-03-18	9,998,676	103,577,448
2024-03-11	10,105,686	103,998,542
2024-03-04	10,002,628	103,593,729
2024-02-26	10,159,542	103,963,290
2024-02-19	9,703,528	99,089,137
2024-02-12	9,194,605	96,214,141
2024-02-05	9,448,000	98,888,516
2024-01-29	9,702,357	100,885,261
2024-01-22	9,416,681	97,765,722
2024-01-15	9,162,808	94,914,558
2024-01-08	9,215,543	93,969,035
2024-01-01	7,208,613	69,744,367
2023-12-25	4,829,793	48,152,796
2023-12-18	8,514,694	84,692,957
2023-12-11	9,116,472	95,099,786
2023-12-04	8,981,333	95,332,355
2023-11-27	9,260,021	98,023,700
2023-11-20	8,212,247	90,649,796
2023-11-13	9,083,101	96,623,341
2023-11-06	9,165,080	98,395,644
2023-10-30	6,334,129	68,018,493
2023-10-23	9,369,767	96,365,341
2023-10-16	9,638,758	98,350,297
2023-10-09	9,076,168	91,974,037
2023-10-02	9,089,543	91,889,835
2023-09-25	9,539,271	95,220,330
2023-09-18	9,577,244	95,383,542
2023-09-11	9,507,546	95,516,011
2023-09-04	8,852,249	90,137,641
2023-08-28	9,236,486	92,187,911
2023-08-21	9,089,144	93,707,510
2023-08-14	8,467,690	87,203,585
2023-08-07	8,784,256	91,291,181
2023-07-31	8,876,289	91,948,869
2023-07-24	8,743,414	92,123,664
2023-07-17	8,782,598	92,579,758
2023-07-10	8,956,298	93,735,875
2023-07-03	7,959,519	85,945,179
2023-06-26	8,461,224	89,620,374
2023-06-19	8,400,610	90,452,804
2023-06-12	8,576,150	94,233,783
2023-06-05	8,284,661	91,367,180
2023-05-29	7,792,780	86,825,338
2023-05-22	8,402,468	90,120,233
2023-05-15	8,221,413	89,700,496
2023-05-08	8,219,697	89,791,074
2023-05-01	7,584,017	83,114,006
2023-04-24	8,387,153	91,741,987
2023-04-17	8,146,856	90,215,316
2023-04-10	7,780,841	84,701,021
2023-04-03	7,668,172	83,312,760
2023-03-27	8,545,191	92,994,887
2023-03-20	8,648,958	91,606,444
2023-03-13	8,518,048	92,052,135
2023-03-06	8,240,925	89,199,753
2023-02-27	8,212,991	91,091,586
2023-02-20	8,213,826	88,535,063
2023-02-13	8,193,766	90,689,742
2023-02-06	7,898,134	92,694,316
2023-01-30	7,795,097	92,267,712
2023-01-23	7,358,580	85,819,195
2023-01-16	7,137,589	84,571,695
2023-01-09	7,415,974	86,969,705
2023-01-02	6,071,125	70,596,068
2022-12-26	3,898,390	47,119,083
2022-12-19	6,193,125	71,991,603
2022-12-12	7,383,170	84,490,671
2022-12-05	7,424,319	85,450,118
2022-11-28	7,528,906	85,739,764
2022-11-21	6,774,168	78,015,917
2022-11-14	7,781,052	88,555,511
2022-11-07	7,605,546	82,554,575
2022-10-31	7,581,738	79,142,149
2022-10-24	7,540,106	80,246,529
2022-10-17	7,430,059	80,562,174
2022-10-10	7,132,294	77,013,392
2022-10-03	6,942,029	75,540,187
2022-09-26	7,312,737	78,311,938
2022-09-19	7,030,888	75,886,363
2022-09-12	6,864,443	77,924,783
2022-09-05	6,424,847	73,061,004
2022-08-29	6,660,496	74,624,656
2022-08-22	6,864,834	75,601,131
2022-08-15	6,515,300	73,648,539
2022-08-08	6,551,658	74,255,506
2022-08-01	6,707,071	74,549,731
2022-07-25	6,662,042	74,484,063
2022-07-18	5,503,384	61,487,903
2022-07-11	6,193,557	70,034,664
2022-07-04	5,933,706	66,305,676
2022-06-27	6,363,849	70,707,641
2022-06-20	6,170,357	69,222,460
2022-06-13	6,226,362	68,574,369
2022-06-06	6,196,578	68,342,338
2022-05-30	5,937,929	67,251,476
2022-05-23	6,193,007	66,402,220
2022-05-16	6,121,315	69,540,653
2022-05-09	5,851,336	67,165,181
2022-05-02	5,373,419	60,800,857
2022-04-25	6,090,470	67,761,609
2022-04-18	6,098,518	62,896,097
2022-04-11	6,200,285	63,859,200
2022-04-04	5,855,642	69,493,765
2022-03-28	6,044,803	72,845,571
2022-03-21	5,960,029	70,997,699
2022-03-14	5,739,041	68,801,424
2022-03-07	5,671,162	68,152,245
2022-02-28	5,652,436	67,584,269
2022-02-21	5,429,595	66,216,003
2022-02-14	5,636,136	70,348,104
2022-02-07	5,606,524	71,273,287
2022-01-31	5,386,401	66,742,492
2022-01-24	5,301,067	65,420,862
2022-01-17	4,937,222	63,722,776
2022-01-10	4,967,315	62,291,434
2022-01-03	4,142,513	52,127,615
2021-12-27	2,540,260	34,474,651
2021-12-20	3,655,365	46,886,771
2021-12-13	4,911,563	58,987,733
2021-12-06	4,786,115	56,335,911
2021-11-29	4,853,094	56,632,928
2021-11-22	4,075,273	50,467,825
2021-11-15	4,707,243	55,391,876
2021-11-08	4,463,645	53,959,636
2021-11-01	4,226,186	52,336,909
2021-10-25	4,402,972	55,332,472
2021-10-18	4,402,692	54,745,281
2021-10-11	4,221,398	52,676,562
2021-10-04	4,321,061	53,206,887
2021-09-27	4,249,870	52,662,048
2021-09-20	4,379,730	51,476,712
2021-09-13	4,158,238	51,065,460
2021-09-06	3,719,655	47,323,708
2021-08-30	3,999,898	49,496,715
2021-08-23	3,932,204	48,375,096
2021-08-16	3,763,522	47,066,901
2021-08-09	3,745,399	46,864,610
2021-08-02	3,761,340	46,868,939
2021-07-26	3,748,611	47,301,489
2021-07-19	3,562,393	46,165,291
2021-07-12	165,329	2,302,135