rollupvsparcel

Winner: rollup

rollup is the safest overall pick in this comparison

rollup70/100

parcel48/100

Measured evidence

Health scores: rollup: 70/100, parcel: 48/100.
Releases in the last 90 days: rollup: 0, parcel: 0.
Known vulnerabilities: rollup: 0, parcel: 0.
OpenSSF scores: rollup: 5.5/10, parcel: 2.7/10.

Caveats

The score favors rollup, 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	rollup	parcel
Release cadence	0 releases in last 90 days	0 releases in last 90 days
Last release	28 days ago	165 days ago
Open issues	583 open issues	462 open issues
Bus factor	top contributor makes 46.72% of commits	top contributor makes 37.21% of commits
OpenSSF score	5.5/10	2.7/10
Vulnerabilities	0 known vulnerabilities	0 known vulnerabilities
Types	ships TypeScript types	no bundled types

Weekly npm downloads

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

rollupparcel

View as table

Week	rollup	parcel
2026-07-13	64,303,324	222,911
2026-07-06	119,218,523	393,223
2026-06-29	125,293,346	377,278
2026-06-22	122,079,486	409,754
2026-06-15	124,703,671	417,998
2026-06-08	123,565,673	414,740
2026-06-01	102,063,314	363,597
2026-05-25	110,570,244	380,780
2026-05-18	121,199,791	392,860
2026-05-11	99,137,576	371,378
2026-05-04	105,186,683	328,038
2026-04-27	112,149,798	367,743
2026-04-20	111,065,444	351,271
2026-04-13	105,018,455	347,430
2026-04-06	90,130,610	342,655
2026-03-30	91,443,874	360,296
2026-03-23	97,659,952	358,704
2026-03-16	88,112,312	357,239
2026-03-09	94,629,278	369,055
2026-03-02	89,317,738	321,335
2026-02-23	84,682,559	283,562
2026-02-16	73,877,821	265,101
2026-02-09	70,176,969	271,292
2026-02-02	69,640,075	278,216
2026-01-26	67,102,248	280,595
2026-01-19	62,365,955	258,730
2026-01-12	60,459,619	264,844
2026-01-05	53,878,444	222,482
2025-12-29	32,687,870	123,639
2025-12-22	34,019,118	138,763
2025-12-15	54,194,166	246,231
2025-12-08	54,989,286	249,563
2025-12-01	55,954,223	277,423
2025-11-24	52,093,234	266,319
2025-11-17	53,540,764	260,823
2025-11-10	51,422,033	245,284
2025-11-03	51,693,066	257,294
2025-10-27	50,103,729	257,567
2025-10-20	51,054,988	276,166
2025-10-13	48,019,342	257,983
2025-10-06	47,624,618	243,911
2025-09-29	46,829,149	262,823
2025-09-22	46,401,271	248,065
2025-09-15	45,836,095	231,738
2025-09-08	47,739,733	246,609
2025-09-01	46,446,269	205,292
2025-08-25	48,281,172	276,319
2025-08-18	46,816,454	241,164
2025-08-11	43,429,687	212,654
2025-08-04	43,036,757	228,782
2025-07-28	45,448,648	264,631
2025-07-21	41,696,005	240,451
2025-07-14	42,700,832	278,916
2025-07-07	42,123,669	269,899
2025-06-30	40,571,782	257,702
2025-06-23	46,020,487	325,734
2025-06-16	45,901,059	322,175
2025-06-09	41,155,385	267,121
2025-06-02	39,578,251	251,266
2025-05-26	35,809,682	218,324
2025-05-19	39,526,236	251,606
2025-05-12	37,242,299	248,479
2025-05-05	36,526,962	237,103
2025-04-28	32,650,931	211,998
2025-04-21	34,117,381	230,605
2025-04-14	33,670,490	246,359
2025-04-07	34,875,679	244,100
2025-03-31	34,047,653	244,476
2025-03-24	32,380,212	236,471
2025-03-17	31,807,632	229,800
2025-03-10	31,349,319	228,824
2025-03-03	30,735,051	222,505
2025-02-24	30,669,980	222,056
2025-02-17	29,815,362	211,166
2025-02-10	30,690,418	203,970
2025-02-03	31,530,862	196,279
2025-01-27	28,374,814	198,043
2025-01-20	27,739,584	191,749
2025-01-13	27,347,972	198,124
2025-01-06	25,557,173	175,073
2024-12-30	14,513,111	103,263
2024-12-23	13,159,004	82,609
2024-12-16	25,661,362	185,471
2024-12-09	26,539,062	195,780
2024-12-02	26,925,336	207,366
2024-11-25	25,933,331	218,531
2024-11-18	28,960,441	260,620
2024-11-11	26,827,148	230,467
2024-11-04	26,276,074	215,541
2024-10-28	24,657,488	187,235
2024-10-21	25,705,062	216,353
2024-10-14	24,554,575	201,493
2024-10-07	24,769,068	201,402
2024-09-30	24,029,858	197,712
2024-09-23	25,146,317	202,583
2024-09-16	23,827,695	201,520
2024-09-09	24,351,730	206,169
2024-09-02	23,001,278	201,590
2024-08-26	23,368,307	211,672
2024-08-19	22,361,830	193,686
2024-08-12	20,772,222	191,266
2024-08-05	22,108,692	210,284
2024-07-29	22,286,241	205,508
2024-07-22	22,412,459	197,569
2024-07-15	22,283,845	200,536
2024-07-08	22,419,956	196,566
2024-07-01	20,396,302	179,978
2024-06-24	21,961,985	195,246
2024-06-17	21,571,988	207,621
2024-06-10	22,387,010	201,966
2024-06-03	22,019,684	203,127
2024-05-27	20,506,103	202,179
2024-05-20	20,691,657	192,727
2024-05-13	21,172,293	210,633
2024-05-06	19,572,951	195,902
2024-04-29	19,177,463	182,925
2024-04-22	21,241,428	203,168
2024-04-15	21,432,703	196,397
2024-04-08	20,698,469	187,525
2024-04-01	19,754,063	182,690
2024-03-25	18,203,942	165,668
2024-03-18	20,884,599	204,763
2024-03-11	20,927,697	206,276
2024-03-04	21,095,167	208,041
2024-02-26	20,697,750	206,596
2024-02-19	19,303,360	194,938
2024-02-12	18,767,037	185,446
2024-02-05	18,923,601	191,823
2024-01-29	19,208,188	204,394
2024-01-22	18,654,923	196,709
2024-01-15	18,179,517	188,265
2024-01-08	17,503,521	183,694
2024-01-01	13,356,627	129,618
2023-12-25	8,444,914	76,537
2023-12-18	15,392,821	154,026
2023-12-11	17,231,683	174,147
2023-12-04	17,073,026	172,302
2023-11-27	17,326,477	187,393
2023-11-20	15,456,806	165,569
2023-11-13	16,153,475	187,853
2023-11-06	16,200,697	192,189
2023-10-30	11,247,785	128,479
2023-10-23	15,887,512	196,639
2023-10-16	16,230,996	192,772
2023-10-09	15,249,876	181,717
2023-10-02	15,572,329	179,864
2023-09-25	15,755,236	172,134
2023-09-18	15,569,241	170,786
2023-09-11	15,390,226	170,167
2023-09-04	14,415,391	166,998
2023-08-28	14,566,208	164,404
2023-08-21	14,982,829	176,226
2023-08-14	13,686,379	160,569
2023-08-07	14,279,026	163,793
2023-07-31	14,364,718	170,474
2023-07-24	14,168,878	164,129
2023-07-17	14,365,816	168,143
2023-07-10	14,247,349	170,625
2023-07-03	13,279,300	165,777
2023-06-26	13,662,510	178,719
2023-06-19	13,436,802	177,539
2023-06-12	13,722,083	189,473
2023-06-05	13,448,743	188,580
2023-05-29	12,768,168	186,277
2023-05-22	13,354,948	184,946
2023-05-15	12,999,823	180,828
2023-05-08	12,923,272	183,304
2023-05-01	11,932,316	170,415
2023-04-24	12,770,820	189,830
2023-04-17	12,499,260	188,751
2023-04-10	11,608,756	173,601
2023-04-03	11,416,679	181,693
2023-03-27	12,571,381	190,175
2023-03-20	12,506,419	189,167
2023-03-13	12,121,164	191,278
2023-03-06	11,679,881	200,605
2023-02-27	11,807,102	202,484
2023-02-20	11,335,027	186,621
2023-02-13	11,612,901	182,485
2023-02-06	11,448,200	185,229
2023-01-30	11,277,866	192,510
2023-01-23	10,376,974	177,179
2023-01-16	10,124,894	184,291
2023-01-09	10,333,440	179,686
2023-01-02	8,365,547	141,369
2022-12-26	5,501,739	92,490
2022-12-19	8,574,579	143,867
2022-12-12	9,958,595	166,097
2022-12-05	10,003,393	163,065
2022-11-28	9,806,772	164,243
2022-11-21	9,112,926	141,420
2022-11-14	10,358,173	156,719
2022-11-07	10,301,422	163,800
2022-10-31	10,251,899	168,245
2022-10-24	9,713,425	146,133
2022-10-17	9,619,970	145,036
2022-10-10	9,201,215	146,181
2022-10-03	8,893,757	135,812
2022-09-26	9,166,043	152,073
2022-09-19	8,890,766	142,017
2022-09-12	8,970,400	148,171
2022-09-05	8,450,815	147,027
2022-08-29	8,566,110	145,190
2022-08-22	8,684,582	148,926
2022-08-15	8,216,969	133,686
2022-08-08	8,159,919	135,524
2022-08-01	8,273,590	133,832
2022-07-25	8,443,603	137,440
2022-07-18	7,134,746	126,877
2022-07-11	8,223,898	135,062
2022-07-04	7,645,905	130,181
2022-06-27	8,069,602	141,520
2022-06-20	8,001,840	137,999
2022-06-13	7,745,835	138,201
2022-06-06	8,074,563	144,321
2022-05-30	8,097,675	132,824
2022-05-23	7,932,566	130,492
2022-05-16	8,287,199	134,764
2022-05-09	7,839,649	123,189
2022-05-02	6,979,621	117,041
2022-04-25	7,450,261	127,091
2022-04-18	7,039,679	113,287
2022-04-11	6,956,877	109,983
2022-04-04	7,192,883	123,180
2022-03-28	7,248,803	120,959
2022-03-21	7,216,727	120,370
2022-03-14	7,163,183	105,157
2022-03-07	6,987,638	106,281
2022-02-28	6,945,245	136,789
2022-02-21	6,790,450	134,927
2022-02-14	7,063,594	118,477
2022-02-07	7,062,064	115,575
2022-01-31	6,608,312	102,601
2022-01-24	6,665,494	101,837
2022-01-17	6,542,794	97,250
2022-01-10	6,336,700	97,374
2022-01-03	5,185,034	78,333
2021-12-27	3,303,641	41,569
2021-12-20	4,559,088	59,463
2021-12-13	5,940,325	78,701
2021-12-06	5,813,467	78,378
2021-11-29	5,823,632	81,021
2021-11-22	5,272,433	68,169
2021-11-15	5,782,952	80,982
2021-11-08	5,681,676	78,372
2021-11-01	5,328,475	77,072
2021-10-25	5,589,684	73,879
2021-10-18	5,479,533	77,326
2021-10-11	5,278,235	73,317
2021-10-04	5,306,903	64,678
2021-09-27	5,248,278	67,326
2021-09-20	5,211,208	68,183
2021-09-13	5,110,861	66,347
2021-09-06	4,726,786	59,619
2021-08-30	4,882,436	69,631
2021-08-23	4,785,511	67,627
2021-08-16	4,680,464	66,141
2021-08-09	4,689,597	70,095
2021-08-02	4,672,505	67,348
2021-07-26	4,697,579	62,817
2021-07-19	4,662,923	65,827
2021-07-12	209,527	4,262