underscorevslodash

Too close to call

The leading packages are too close to call

underscore66/100

lodash57/100

Measured evidence

Health scores: underscore: 66/100, lodash: 57/100.
Releases in the last 90 days: underscore: 0, lodash: 0.
Known vulnerabilities: underscore: 0, lodash: 0.
OpenSSF scores: underscore: 5/10, lodash: 7.2/10.

Caveats

The leading scores are within 10 points — decide on API ergonomics and ecosystem fit.

Package details

Risk signals

Measured metrics — each value links to its source.

Signal	underscore	lodash
Release cadence	0 releases in last 90 days	0 releases in last 90 days
Last release	148 days ago	107 days ago
Open issues	31 open issues	52 open issues
Bus factor	top contributor makes 39.11% of commits	top contributor makes 89.53% of commits
OpenSSF score	5/10	7.2/10
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).

underscorelodash

View as table

Week	underscore	lodash
2026-07-13	13,435,027	83,742,256
2026-07-06	23,399,314	120,645,159
2026-06-29	23,302,553	152,425,085
2026-06-22	20,341,441	130,261,729
2026-06-15	25,232,726	159,927,293
2026-06-08	24,844,769	161,341,623
2026-06-01	23,691,640	129,211,260
2026-05-25	22,560,733	148,126,060
2026-05-18	23,849,456	155,251,603
2026-05-11	23,946,222	155,403,251
2026-05-04	21,145,566	150,058,589
2026-04-27	21,872,144	146,042,552
2026-04-20	21,587,267	146,415,933
2026-04-13	21,576,884	146,215,152
2026-04-06	20,821,669	133,124,413
2026-03-30	20,625,391	130,444,835
2026-03-23	21,339,210	134,807,802
2026-03-16	21,158,216	122,592,385
2026-03-09	22,289,814	126,702,557
2026-03-02	20,937,176	122,270,761
2026-02-23	19,781,064	118,750,217
2026-02-16	17,962,360	107,666,377
2026-02-09	18,312,361	103,089,195
2026-02-02	17,930,791	102,575,328
2026-01-26	17,484,683	97,501,502
2026-01-19	16,255,369	89,154,843
2026-01-12	15,683,600	81,115,726
2026-01-05	14,681,296	71,839,896
2025-12-29	8,728,623	44,280,567
2025-12-22	9,093,072	46,618,881
2025-12-15	15,141,900	76,334,683
2025-12-08	16,246,690	82,437,408
2025-12-01	16,732,569	85,710,403
2025-11-24	15,938,417	85,042,509
2025-11-17	16,052,401	81,288,257
2025-11-10	15,489,015	75,953,104
2025-11-03	15,419,491	76,111,235
2025-10-27	15,109,461	75,386,875
2025-10-20	16,282,696	71,481,148
2025-10-13	14,562,767	71,262,848
2025-10-06	15,223,862	75,573,367
2025-09-29	14,818,550	74,772,615
2025-09-22	15,091,641	73,484,955
2025-09-15	15,034,435	75,139,221
2025-09-08	15,051,704	73,984,000
2025-09-01	13,885,237	70,258,272
2025-08-25	15,308,570	77,121,655
2025-08-18	14,614,616	72,096,688
2025-08-11	13,487,127	68,581,398
2025-08-04	14,150,424	70,087,601
2025-07-28	15,836,006	85,631,083
2025-07-21	14,349,248	73,814,534
2025-07-14	15,461,083	80,355,350
2025-07-07	16,291,413	81,740,975
2025-06-30	15,614,939	80,779,229
2025-06-23	17,806,451	92,544,559
2025-06-16	16,895,668	89,431,013
2025-06-09	15,404,732	78,139,660
2025-06-02	14,764,379	75,317,771
2025-05-26	13,717,886	67,669,416
2025-05-19	14,794,010	71,084,088
2025-05-12	14,622,325	69,114,928
2025-05-05	13,671,419	66,137,254
2025-04-28	12,730,301	61,159,710
2025-04-21	13,489,537	63,937,579
2025-04-14	13,267,342	61,321,821
2025-04-07	14,291,766	66,707,065
2025-03-31	14,079,053	66,216,773
2025-03-24	14,251,760	61,561,326
2025-03-17	14,283,168	61,100,161
2025-03-10	13,868,855	60,216,067
2025-03-03	13,790,039	59,611,304
2025-02-24	14,021,144	60,274,438
2025-02-17	13,317,180	59,759,062
2025-02-10	13,772,890	59,560,398
2025-02-03	13,484,476	61,919,733
2025-01-27	12,717,655	56,027,724
2025-01-20	12,521,419	54,792,137
2025-01-13	12,271,471	55,042,606
2025-01-06	11,721,141	52,746,060
2024-12-30	7,467,347	33,179,392
2024-12-23	6,597,620	28,725,032
2024-12-16	12,182,904	52,810,221
2024-12-09	12,514,204	55,172,175
2024-12-02	12,908,442	57,450,849
2024-11-25	13,118,392	63,864,415
2024-11-18	15,155,075	74,871,468
2024-11-11	14,090,403	67,494,770
2024-11-04	13,028,593	62,240,772
2024-10-28	11,777,197	52,341,533
2024-10-21	13,060,160	59,133,565
2024-10-14	12,404,237	54,597,494
2024-10-07	12,587,488	52,703,586
2024-09-30	12,074,608	50,514,132
2024-09-23	12,590,589	52,560,474
2024-09-16	12,335,190	51,243,897
2024-09-09	12,514,148	52,413,311
2024-09-02	11,924,277	49,760,755
2024-08-26	12,148,269	50,562,037
2024-08-19	11,957,753	49,596,476
2024-08-12	11,293,660	46,722,540
2024-08-05	12,176,947	49,581,194
2024-07-29	12,323,624	50,169,409
2024-07-22	12,321,370	50,468,620
2024-07-15	12,668,256	52,591,213
2024-07-08	12,395,810	51,433,837
2024-07-01	11,575,604	47,306,508
2024-06-24	11,782,430	50,984,749
2024-06-17	11,558,321	50,551,698
2024-06-10	11,721,068	51,261,132
2024-06-03	11,845,781	51,395,286
2024-05-27	11,123,019	48,653,415
2024-05-20	11,442,753	49,412,189
2024-05-13	11,907,161	50,786,421
2024-05-06	11,132,386	47,543,469
2024-04-29	10,724,764	45,910,813
2024-04-22	11,878,672	50,121,195
2024-04-15	12,039,042	50,806,771
2024-04-08	11,584,944	49,250,177
2024-04-01	11,353,841	48,107,587
2024-03-25	10,721,089	44,649,314
2024-03-18	12,564,522	52,086,119
2024-03-11	13,026,424	52,526,051
2024-03-04	12,954,600	52,197,125
2024-02-26	12,907,734	51,907,391
2024-02-19	12,415,030	49,573,378
2024-02-12	12,030,195	48,057,306
2024-02-05	12,616,814	49,502,467
2024-01-29	12,876,206	50,179,930
2024-01-22	12,886,802	48,984,582
2024-01-15	12,240,175	47,848,579
2024-01-08	12,296,623	47,818,923
2024-01-01	9,762,250	36,446,984
2023-12-25	7,749,923	26,295,218
2023-12-18	11,783,819	43,722,952
2023-12-11	12,950,689	48,720,286
2023-12-04	12,479,295	48,799,372
2023-11-27	13,788,255	51,052,171
2023-11-20	13,011,398	46,930,836
2023-11-13	13,594,606	50,258,346
2023-11-06	13,705,496	50,912,406
2023-10-30	9,590,397	35,365,128
2023-10-23	13,852,393	50,765,883
2023-10-16	13,738,986	51,947,542
2023-10-09	13,042,109	49,114,391
2023-10-02	12,574,265	48,470,464
2023-09-25	12,888,840	50,212,261
2023-09-18	12,851,934	50,087,131
2023-09-11	13,267,984	50,899,723
2023-09-04	12,220,297	49,281,162
2023-08-28	12,596,775	49,881,153
2023-08-21	13,011,389	50,614,077
2023-08-14	11,822,202	46,818,534
2023-08-07	11,838,345	48,454,925
2023-07-31	11,564,634	48,904,642
2023-07-24	11,718,979	48,839,718
2023-07-17	11,704,791	49,131,111
2023-07-10	11,724,104	49,977,840
2023-07-03	10,524,030	45,824,683
2023-06-26	11,214,500	48,277,291
2023-06-19	11,293,539	48,291,028
2023-06-12	11,880,952	50,478,292
2023-06-05	11,233,640	49,305,162
2023-05-29	10,712,741	47,138,483
2023-05-22	10,753,777	48,205,665
2023-05-15	11,421,694	49,245,542
2023-05-08	10,873,750	48,740,779
2023-05-01	10,526,496	45,767,887
2023-04-24	11,765,875	50,632,447
2023-04-17	12,087,242	51,094,587
2023-04-10	10,773,651	47,908,153
2023-04-03	10,356,326	46,084,266
2023-03-27	11,582,323	50,166,284
2023-03-20	11,178,831	49,212,512
2023-03-13	11,114,059	49,379,233
2023-03-06	10,730,871	48,309,873
2023-02-27	10,879,397	48,932,050
2023-02-20	11,625,970	48,098,553
2023-02-13	11,441,088	48,810,402
2023-02-06	12,085,347	49,920,339
2023-01-30	11,532,898	49,304,645
2023-01-23	10,528,751	45,920,869
2023-01-16	9,988,008	44,739,221
2023-01-09	10,162,888	45,886,799
2023-01-02	8,198,667	37,911,066
2022-12-26	5,632,900	25,670,346
2022-12-19	8,753,555	38,994,186
2022-12-12	10,116,107	45,758,231
2022-12-05	10,288,220	46,884,807
2022-11-28	10,622,900	47,081,627
2022-11-21	9,618,206	42,646,086
2022-11-14	11,096,911	48,332,515
2022-11-07	10,293,633	47,001,656
2022-10-31	9,954,451	44,950,742
2022-10-24	10,217,664	45,743,307
2022-10-17	10,536,760	46,487,891
2022-10-10	10,091,204	44,521,975
2022-10-03	9,588,758	43,889,934
2022-09-26	10,082,710	45,622,910
2022-09-19	9,973,421	44,526,604
2022-09-12	10,167,978	45,696,166
2022-09-05	9,441,215	42,824,713
2022-08-29	9,472,007	43,817,461
2022-08-22	9,810,237	44,580,603
2022-08-15	9,219,507	45,910,553
2022-08-08	9,303,779	46,293,428
2022-08-01	9,136,578	46,068,002
2022-07-25	9,367,249	46,713,400
2022-07-18	7,841,548	37,358,501
2022-07-11	9,083,979	42,909,933
2022-07-04	8,587,647	41,175,154
2022-06-27	9,378,913	43,836,296
2022-06-20	9,563,535	43,393,743
2022-06-13	9,491,708	43,189,528
2022-06-06	9,364,940	43,696,765
2022-05-30	8,980,036	42,736,101
2022-05-23	9,206,127	42,957,410
2022-05-16	9,321,191	44,489,651
2022-05-09	8,934,541	43,712,232
2022-05-02	8,175,920	39,198,679
2022-04-25	9,199,430	43,494,281
2022-04-18	8,413,899	40,971,441
2022-04-11	8,264,176	40,964,003
2022-04-04	8,989,714	46,778,440
2022-03-28	9,201,721	50,335,727
2022-03-21	8,958,345	49,236,391
2022-03-14	8,799,152	48,888,477
2022-03-07	8,860,587	49,234,360
2022-02-28	8,741,532	48,543,825
2022-02-21	8,693,995	47,949,778
2022-02-14	9,265,335	50,455,578
2022-02-07	9,485,232	50,583,602
2022-01-31	9,096,803	48,277,619
2022-01-24	9,154,683	47,599,453
2022-01-17	8,791,989	46,168,087
2022-01-10	8,769,867	46,643,895
2022-01-03	7,340,833	39,881,763
2021-12-27	4,729,461	27,225,668
2021-12-20	6,751,334	36,156,795
2021-12-13	8,738,931	45,324,991
2021-12-06	8,616,837	42,218,863
2021-11-29	8,823,196	42,158,618
2021-11-22	7,909,276	37,507,879
2021-11-15	8,886,980	41,881,491
2021-11-08	8,721,243	41,276,487
2021-11-01	9,540,048	39,620,021
2021-10-25	11,167,653	41,296,054
2021-10-18	10,532,721	41,659,795
2021-10-11	10,149,744	39,989,375
2021-10-04	9,972,248	41,237,706
2021-09-27	9,715,881	40,878,036
2021-09-20	8,931,657	40,589,288
2021-09-13	8,607,278	40,597,968
2021-09-06	8,021,564	38,376,165
2021-08-30	8,351,586	40,192,344
2021-08-23	8,341,121	39,702,198
2021-08-16	8,266,162	39,352,531
2021-08-09	8,216,484	39,341,043
2021-08-02	8,141,864	39,247,863
2021-07-26	8,324,843	39,893,297
2021-07-19	8,237,114	38,913,420
2021-07-12	439,890	2,041,956