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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 · 31 observations

SEP 7, 2026: 60,426 downloads / 30 daysSEP 8, 2026: 59,661 downloads / 30 daysSEP 9, 2026: 61,074 downloads / 30 daysSEP 10, 2026: 61,992 downloads / 30 daysSEP 11, 2026: 61,804 downloads / 30 daysSEP 12, 2026: 59,883 downloads / 30 daysSEP 13, 2026: 60,937 downloads / 30 daysSEP 14, 2026: 63,796 downloads / 30 daysSEP 15, 2026: 62,195 downloads / 30 daysSEP 16, 2026: 63,632 downloads / 30 daysSEP 17, 2026: 63,685 downloads / 30 daysSEP 18, 2026: 63,985 downloads / 30 daysSEP 19, 2026: 62,626 downloads / 30 daysSEP 20, 2026: 61,741 downloads / 30 daysSEP 21, 2026: 64,908 downloads / 30 daysSEP 22, 2026: 67,010 downloads / 30 daysSEP 23, 2026: 68,767 downloads / 30 daysSEP 24, 2026: 70,142 downloads / 30 daysSEP 25, 2026: 72,535 downloads / 30 daysSEP 26, 2026: 72,420 downloads / 30 daysSEP 27, 2026: 71,428 downloads / 30 daysSEP 28, 2026: 77,392 downloads / 30 daysSEP 29, 2026: 81,615 downloads / 30 daysSEP 30, 2026: 82,480 downloads / 30 daysOCT 1, 2026: 85,433 downloads / 30 daysOCT 2, 2026: 86,558 downloads / 30 daysOCT 3, 2026: 87,446 downloads / 30 daysOCT 4, 2026: 85,963 downloads / 30 daysOCT 5, 2026: 88,256 downloads / 30 daysOCT 6, 2026: 86,258 downloads / 30 daysOCT 7, 2026: 86,258 downloads / 30 days
Table of observations (31)
Daydownloads / 30 daysDependents
OCT 7, 202686,258Not observed
OCT 6, 202686,258Not observed
OCT 5, 202688,256Not observed
OCT 4, 202685,963Not observed
OCT 3, 202687,446Not observed
OCT 2, 202686,558Not observed
OCT 1, 202685,433Not observed
SEP 30, 202682,480Not observed
SEP 29, 202681,615Not observed
SEP 28, 202677,392Not observed
SEP 27, 202671,428Not observed
SEP 26, 202672,420Not observed
SEP 25, 202672,535Not observed
SEP 24, 202670,142Not observed
SEP 23, 202668,767Not observed
SEP 22, 202667,010Not observed
SEP 21, 202664,908Not observed
SEP 20, 202661,741Not observed
SEP 19, 202662,626Not observed
SEP 18, 202663,985Not observed
SEP 17, 202663,685Not observed
SEP 16, 202663,632Not observed
SEP 15, 202662,195Not observed
SEP 14, 202663,796Not observed
SEP 13, 202660,937Not observed
SEP 12, 202659,883Not observed
SEP 11, 202661,804Not observed
SEP 10, 202661,992Not observed
SEP 9, 202661,074Not observed
SEP 8, 202659,661Not observed
SEP 7, 202660,426Not 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
Homepage · github.com
Source · github.com

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

Dependencies latest version · v4.0.5

No dependencies are recorded for the latest version.

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Related news

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