Package · npm

@cap.js/server

npm · v4.0.5 · Apache-2.0

Server-side challenge generator and verifier for Cap, a lightweight, modern open-source CAPTCHA alternative designed using SHA-256 PoW.

Tentative categories were assigned with moderate confidence (0.5 to 0.75): they are shown, but they do not count toward a category’s momentum. How categories work

Install

npm install @cap.js/server

Adoption

Downloads (30 days): 86.3K; Observeddownloads / 30 days
Popularity: Lower half on npm; Derived24th percentile within npm
Dependents: Collectinghistory; Collecting
Maintenance: 0.44; DerivedRelease cadence and recency, 0 to 1
Releases per year: 25; 14 versions over its life

Growth by period

Derived by Crest of Tech from two observations of npm’s own figure, a period apart. Nothing is stored or estimated: without an observation near the period’s start, the period is still collecting.

7 days: +4.6% · 7d; Derived+3.8K downloads / 30 days, SEP 30 → OCT 7
30 days: +42.7% · 30d; Derived+25.8K downloads / 30 days, SEP 7 → OCT 7
90 days: +35.6% · 90d; Derived+22.7K downloads / 30 days, JUL 6 → OCT 7
1 year: +1000.4% · 1y; Derived+78.4K downloads / 30 days, OCT 6 → OCT 7

Adoption historydownloads / 30 days · 115 observations

Table of observations (115)

Day	downloads / 30 days	Dependents
OCT 7, 2026	86,258	Not observed
OCT 6, 2026	86,258	Not observed
OCT 5, 2026	88,256	Not observed
OCT 4, 2026	85,963	Not observed
OCT 3, 2026	87,446	Not observed
OCT 2, 2026	86,558	Not observed
OCT 1, 2026	85,433	Not observed
SEP 30, 2026	82,480	Not observed
SEP 29, 2026	81,615	Not observed
SEP 28, 2026	77,392	Not observed
SEP 27, 2026	71,428	Not observed
SEP 26, 2026	72,420	Not observed
SEP 25, 2026	72,535	Not observed
SEP 24, 2026	70,142	Not observed
SEP 23, 2026	68,767	Not observed
SEP 22, 2026	67,010	Not observed
SEP 21, 2026	64,908	Not observed
SEP 20, 2026	61,741	Not observed
SEP 19, 2026	62,626	Not observed
SEP 18, 2026	63,985	Not observed
SEP 17, 2026	63,685	Not observed
SEP 16, 2026	63,632	Not observed
SEP 15, 2026	62,195	Not observed
SEP 14, 2026	63,796	Not observed
SEP 13, 2026	60,937	Not observed
SEP 12, 2026	59,883	Not observed
SEP 11, 2026	61,804	Not observed
SEP 10, 2026	61,992	Not observed
SEP 9, 2026	61,074	Not observed
SEP 8, 2026	59,661	Not observed
SEP 7, 2026	60,426	Not observed
SEP 6, 2026	60,943	Not observed
SEP 5, 2026	61,006	Not observed
SEP 4, 2026	60,918	Not observed
SEP 3, 2026	61,143	Not observed
SEP 2, 2026	64,839	Not observed
SEP 1, 2026	64,699	Not observed
AUG 31, 2026	62,706	Not observed
AUG 30, 2026	60,035	Not observed
AUG 29, 2026	61,745	Not observed
AUG 28, 2026	64,035	Not observed
AUG 27, 2026	64,881	Not observed
AUG 26, 2026	66,060	Not observed
AUG 25, 2026	65,803	Not observed
AUG 24, 2026	63,480	Not observed
AUG 23, 2026	61,589	Not observed
AUG 22, 2026	61,997	Not observed
AUG 21, 2026	62,351	Not observed
AUG 20, 2026	61,520	Not observed
AUG 19, 2026	61,750	Not observed
AUG 18, 2026	61,747	Not observed
AUG 17, 2026	59,623	Not observed
AUG 16, 2026	58,062	Not observed
AUG 15, 2026	58,776	Not observed
AUG 14, 2026	60,980	Not observed
AUG 13, 2026	63,450	Not observed
AUG 12, 2026	63,822	Not observed
AUG 11, 2026	64,269	Not observed
AUG 10, 2026	62,013	Not observed
AUG 9, 2026	60,258	Not observed
AUG 8, 2026	62,383	Not observed
AUG 7, 2026	64,622	Not observed
AUG 6, 2026	66,505	Not observed
AUG 5, 2026	68,603	Not observed
AUG 4, 2026	69,257	Not observed
AUG 3, 2026	66,363	Not observed
AUG 2, 2026	64,492	Not observed
AUG 1, 2026	66,292	Not observed
JUL 31, 2026	67,905	Not observed
JUL 30, 2026	68,280	Not observed
JUL 29, 2026	68,303	Not observed
JUL 28, 2026	67,896	Not observed
JUL 27, 2026	65,592	Not observed
JUL 26, 2026	63,590	Not observed
JUL 20, 2026	69,158	Not observed
JUL 13, 2026	67,900	Not observed
JUL 6, 2026	63,594	Not observed
JUN 29, 2026	58,228	Not observed
JUN 22, 2026	54,772	Not observed
JUN 15, 2026	55,092	Not observed
JUN 8, 2026	57,881	Not observed
JUN 1, 2026	63,498	Not observed
MAY 25, 2026	61,559	Not observed
MAY 18, 2026	56,821	Not observed
MAY 11, 2026	49,951	Not observed
MAY 4, 2026	42,199	Not observed
APR 27, 2026	36,311	Not observed
APR 20, 2026	33,289	Not observed
APR 13, 2026	31,727	Not observed
APR 6, 2026	25,536	Not observed
MAR 30, 2026	25,235	Not observed
MAR 23, 2026	26,405	Not observed
MAR 16, 2026	25,902	Not observed
MAR 9, 2026	27,382	Not observed
MAR 2, 2026	29,904	Not observed
FEB 23, 2026	29,228	Not observed
FEB 16, 2026	28,593	Not observed
FEB 9, 2026	27,180	Not observed
FEB 2, 2026	25,955	Not observed
JAN 26, 2026	23,768	Not observed
JAN 19, 2026	20,973	Not observed
JAN 12, 2026	20,152	Not observed
JAN 5, 2026	16,605	Not observed
DEC 29, 2025	15,062	Not observed
DEC 22, 2025	14,587	Not observed
DEC 15, 2025	11,516	Not observed
DEC 8, 2025	10,974	Not observed
DEC 1, 2025	10,361	Not observed
NOV 24, 2025	9,036	Not observed
NOV 17, 2025	8,740	Not observed
NOV 10, 2025	8,260	Not observed
NOV 3, 2025	8,296	Not observed
OCT 27, 2025	8,353	Not observed
OCT 20, 2025	8,490	Not observed
OCT 13, 2025	8,068	Not observed

Facts from the registry

Latest version: v4.0.5; 14 versions
First published: MAY 20, 2025
Last release: DEC 14, 2025; 10mo ago
Licence: Apache-2.0
Links: npm page (opens in a new tab); Homepage · github.com (opens in a new tab); Source · github.com (opens in a new tab)

Repository

In the Crest catalog

tiagozip/cap

Free, open-source and self-hosted CAPTCHA alternative to reCAPTCHA. Privacy-first and powered by proof-of-work and instrumentation challenges.

Stars: 7.9K
Forks: 602
Language: JavaScript
Last push: 30d ago
Last release: 31d ago

Linked by the package’s own registry metadata.GitHub (opens in a new tab)

Dependencies latest version · v4.0.5

No dependencies are recorded for the latest version.

Related news

No published news event mentions this package or its repository yet.