Packages npm capjs-core Package · npm
capjs-core npm · v0.1.3 · Apache-2.0
Stateless server-side challenge generator and verifier for Cap, a lightweight, modern open-source CAPTCHA alternative. No storage, no filesystem - bring your own.
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Install npm install capjs-coreCopy Adoption
Downloads (30 days) 9.1K Observed downloads / 30 days
Popularity Lower half on npm Derived 12th percentile within npm
Dependents Collecting history Collecting
Maintenance 0.87 Derived Release cadence and recency, 0 to 1
Releases per year 11 4 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 +8.5% · 7d Derived +707 downloads / 30 days, SEP 30 → OCT 7
30 days +1.5% · 30d Derived +131 downloads / 30 days, SEP 7 → OCT 7
90 days +235.8% · 90d Derived +6.4K downloads / 30 days, JUL 6 → OCT 7
1 year +9.1K · 1y Derived +9.1K downloads / 30 days, NOV 10 → OCT 7 Adoption history Adoption historydownloads / 30 days · 111 observations
30d 90d 1y 2y 10.3K 0 NOV 10, 2025: 0 downloads / 30 days NOV 17, 2025: 0 downloads / 30 days NOV 24, 2025: 0 downloads / 30 days DEC 1, 2025: 0 downloads / 30 days DEC 8, 2025: 0 downloads / 30 days DEC 15, 2025: 0 downloads / 30 days DEC 22, 2025: 0 downloads / 30 days DEC 29, 2025: 0 downloads / 30 days JAN 5, 2026: 0 downloads / 30 days JAN 12, 2026: 0 downloads / 30 days JAN 19, 2026: 0 downloads / 30 days JAN 26, 2026: 0 downloads / 30 days FEB 2, 2026: 0 downloads / 30 days FEB 9, 2026: 0 downloads / 30 days FEB 16, 2026: 0 downloads / 30 days FEB 23, 2026: 0 downloads / 30 days MAR 2, 2026: 0 downloads / 30 days MAR 9, 2026: 0 downloads / 30 days MAR 16, 2026: 0 downloads / 30 days MAR 23, 2026: 0 downloads / 30 days MAR 30, 2026: 0 downloads / 30 days APR 6, 2026: 0 downloads / 30 days APR 13, 2026: 0 downloads / 30 days APR 20, 2026: 0 downloads / 30 days APR 27, 2026: 0 downloads / 30 days MAY 4, 2026: 0 downloads / 30 days MAY 11, 2026: 159 downloads / 30 days MAY 18, 2026: 579 downloads / 30 days MAY 25, 2026: 819 downloads / 30 days JUN 1, 2026: 1,065 downloads / 30 days JUN 8, 2026: 1,376 downloads / 30 days JUN 15, 2026: 1,338 downloads / 30 days JUN 22, 2026: 1,626 downloads / 30 days JUN 29, 2026: 1,886 downloads / 30 days JUL 6, 2026: 2,697 downloads / 30 days JUL 13, 2026: 3,325 downloads / 30 days JUL 20, 2026: 4,078 downloads / 30 days JUL 26, 2026: 4,947 downloads / 30 days JUL 27, 2026: 5,097 downloads / 30 days JUL 28, 2026: 5,283 downloads / 30 days JUL 29, 2026: 5,782 downloads / 30 days JUL 30, 2026: 5,904 downloads / 30 days JUL 31, 2026: 6,036 downloads / 30 days AUG 1, 2026: 6,191 downloads / 30 days AUG 2, 2026: 6,146 downloads / 30 days AUG 3, 2026: 6,317 downloads / 30 days AUG 4, 2026: 6,716 downloads / 30 days AUG 5, 2026: 7,103 downloads / 30 days AUG 6, 2026: 7,304 downloads / 30 days AUG 7, 2026: 7,532 downloads / 30 days AUG 8, 2026: 7,594 downloads / 30 days AUG 9, 2026: 7,639 downloads / 30 days AUG 10, 2026: 7,902 downloads / 30 days AUG 11, 2026: 8,165 downloads / 30 days AUG 12, 2026: 8,249 downloads / 30 days AUG 13, 2026: 8,477 downloads / 30 days AUG 14, 2026: 8,407 downloads / 30 days AUG 15, 2026: 8,573 downloads / 30 days AUG 16, 2026: 8,899 downloads / 30 days AUG 17, 2026: 9,068 downloads / 30 days AUG 18, 2026: 9,285 downloads / 30 days AUG 19, 2026: 9,518 downloads / 30 days AUG 20, 2026: 9,731 downloads / 30 days AUG 21, 2026: 9,803 downloads / 30 days AUG 22, 2026: 9,708 downloads / 30 days AUG 23, 2026: 9,708 downloads / 30 days AUG 24, 2026: 9,882 downloads / 30 days AUG 25, 2026: 10,101 downloads / 30 days AUG 26, 2026: 10,231 downloads / 30 days AUG 27, 2026: 10,274 downloads / 30 days AUG 28, 2026: 10,151 downloads / 30 days AUG 29, 2026: 10,162 downloads / 30 days AUG 30, 2026: 9,945 downloads / 30 days AUG 31, 2026: 9,926 downloads / 30 days SEP 1, 2026: 10,025 downloads / 30 days SEP 2, 2026: 10,064 downloads / 30 days SEP 3, 2026: 9,517 downloads / 30 days SEP 4, 2026: 9,404 downloads / 30 days SEP 5, 2026: 9,187 downloads / 30 days SEP 6, 2026: 9,081 downloads / 30 days SEP 7, 2026: 8,925 downloads / 30 days SEP 8, 2026: 8,778 downloads / 30 days SEP 9, 2026: 8,726 downloads / 30 days SEP 10, 2026: 8,698 downloads / 30 days SEP 11, 2026: 8,727 downloads / 30 days SEP 12, 2026: 8,430 downloads / 30 days SEP 13, 2026: 8,577 downloads / 30 days SEP 14, 2026: 8,621 downloads / 30 days SEP 15, 2026: 8,063 downloads / 30 days SEP 16, 2026: 8,122 downloads / 30 days SEP 17, 2026: 8,160 downloads / 30 days SEP 18, 2026: 8,056 downloads / 30 days SEP 19, 2026: 7,846 downloads / 30 days SEP 20, 2026: 7,582 downloads / 30 days SEP 21, 2026: 7,682 downloads / 30 days SEP 22, 2026: 7,867 downloads / 30 days SEP 23, 2026: 8,133 downloads / 30 days SEP 24, 2026: 7,885 downloads / 30 days SEP 25, 2026: 7,844 downloads / 30 days SEP 26, 2026: 7,899 downloads / 30 days SEP 27, 2026: 7,774 downloads / 30 days SEP 28, 2026: 8,083 downloads / 30 days SEP 29, 2026: 8,396 downloads / 30 days SEP 30, 2026: 8,349 downloads / 30 days OCT 1, 2026: 8,576 downloads / 30 days OCT 2, 2026: 8,710 downloads / 30 days OCT 3, 2026: 9,060 downloads / 30 days OCT 4, 2026: 9,056 downloads / 30 days OCT 5, 2026: 9,464 downloads / 30 days OCT 6, 2026: 9,040 downloads / 30 days OCT 7, 2026: 9,056 downloads / 30 days NOV 10 APR 24 OCT 7
Table of observations (116) Day downloads / 30 days Dependents OCT 7, 2026 9,056 Not observed OCT 6, 2026 9,040 Not observed OCT 5, 2026 9,464 Not observed OCT 4, 2026 9,056 Not observed OCT 3, 2026 9,060 Not observed OCT 2, 2026 8,710 Not observed OCT 1, 2026 8,576 Not observed SEP 30, 2026 8,349 Not observed SEP 29, 2026 8,396 Not observed SEP 28, 2026 8,083 Not observed SEP 27, 2026 7,774 Not observed SEP 26, 2026 7,899 Not observed SEP 25, 2026 7,844 Not observed SEP 24, 2026 7,885 Not observed SEP 23, 2026 8,133 Not observed SEP 22, 2026 7,867 Not observed SEP 21, 2026 7,682 Not observed SEP 20, 2026 7,582 Not observed SEP 19, 2026 7,846 Not observed SEP 18, 2026 8,056 Not observed SEP 17, 2026 8,160 Not observed SEP 16, 2026 8,122 Not observed SEP 15, 2026 8,063 Not observed SEP 14, 2026 8,621 Not observed SEP 13, 2026 8,577 Not observed SEP 12, 2026 8,430 Not observed SEP 11, 2026 8,727 Not observed SEP 10, 2026 8,698 Not observed SEP 9, 2026 8,726 Not observed SEP 8, 2026 8,778 Not observed SEP 7, 2026 8,925 Not observed SEP 6, 2026 9,081 Not observed SEP 5, 2026 9,187 Not observed SEP 4, 2026 9,404 Not observed SEP 3, 2026 9,517 Not observed SEP 2, 2026 10,064 Not observed SEP 1, 2026 10,025 Not observed AUG 31, 2026 9,926 Not observed AUG 30, 2026 9,945 Not observed AUG 29, 2026 10,162 Not observed AUG 28, 2026 10,151 Not observed AUG 27, 2026 10,274 Not observed AUG 26, 2026 10,231 Not observed AUG 25, 2026 10,101 Not observed AUG 24, 2026 9,882 Not observed AUG 23, 2026 9,708 Not observed AUG 22, 2026 9,708 Not observed AUG 21, 2026 9,803 Not observed AUG 20, 2026 9,731 Not observed AUG 19, 2026 9,518 Not observed AUG 18, 2026 9,285 Not observed AUG 17, 2026 9,068 Not observed AUG 16, 2026 8,899 Not observed AUG 15, 2026 8,573 Not observed AUG 14, 2026 8,407 Not observed AUG 13, 2026 8,477 Not observed AUG 12, 2026 8,249 Not observed AUG 11, 2026 8,165 Not observed AUG 10, 2026 7,902 Not observed AUG 9, 2026 7,639 Not observed AUG 8, 2026 7,594 Not observed AUG 7, 2026 7,532 Not observed AUG 6, 2026 7,304 Not observed AUG 5, 2026 7,103 Not observed AUG 4, 2026 6,716 Not observed AUG 3, 2026 6,317 Not observed AUG 2, 2026 6,146 Not observed AUG 1, 2026 6,191 Not observed JUL 31, 2026 6,036 Not observed JUL 30, 2026 5,904 Not observed JUL 29, 2026 5,782 Not observed JUL 28, 2026 5,283 Not observed JUL 27, 2026 5,097 Not observed JUL 26, 2026 4,947 Not observed JUL 20, 2026 4,078 Not observed JUL 13, 2026 3,325 Not observed JUL 6, 2026 2,697 Not observed JUN 29, 2026 1,886 Not observed JUN 22, 2026 1,626 Not observed JUN 15, 2026 1,338 Not observed JUN 8, 2026 1,376 Not observed JUN 1, 2026 1,065 Not observed MAY 25, 2026 819 Not observed MAY 18, 2026 579 Not observed MAY 11, 2026 159 Not observed MAY 4, 2026 0 Not observed APR 27, 2026 0 Not observed APR 20, 2026 0 Not observed APR 13, 2026 0 Not observed APR 6, 2026 0 Not observed MAR 30, 2026 0 Not observed MAR 23, 2026 0 Not observed MAR 16, 2026 0 Not observed MAR 9, 2026 0 Not observed MAR 2, 2026 0 Not observed FEB 23, 2026 0 Not observed FEB 16, 2026 0 Not observed FEB 9, 2026 0 Not observed FEB 2, 2026 0 Not observed JAN 26, 2026 0 Not observed JAN 19, 2026 0 Not observed JAN 12, 2026 0 Not observed JAN 5, 2026 0 Not observed DEC 29, 2025 0 Not observed DEC 22, 2025 0 Not observed DEC 15, 2025 0 Not observed DEC 8, 2025 0 Not observed DEC 1, 2025 0 Not observed NOV 24, 2025 0 Not observed NOV 17, 2025 0 Not observed NOV 10, 2025 0 Not observed NOV 3, 2025 Not observed Not observed OCT 27, 2025 Not observed Not observed OCT 20, 2025 Not observed Not observed OCT 13, 2025 Not observed Not observed OCT 7, 2025 Not observed Not observed
Facts from the registry
Latest version v0.1.3 4 versions
First published MAY 10, 2026
Last release SEP 23, 2026 31d ago
Licence Apache-2.0 Repository In the Crest catalog
Free, open-source and self-hosted CAPTCHA alternative to reCAPTCHA. Privacy-first and powered by proof-of-work and instrumentation challenges.
Language JavaScript
Last push 30d ago
Last release 31d ago Dependencies latest version · v0.1.3 Optional 1 javascript-obfuscator ^4.2.2cap-widget The self-hosted CAPTCHA for the modern web. Published from the same repository @cap.js/server Server-side challenge generator and verifier for Cap, a lightweight, modern open-source CAPTCHA alternative designed using SHA-256 PoW. Published from the same repository @cap.js/wasm WASM solver for Cap, a lightweight, modern open-source CAPTCHA alternative designed using SHA-256 PoW. Published from the same repository @cap.js/widget The self-hosted CAPTCHA for the modern web. Published from the same repository django-crm BottleCRM, CRM for AI and People. The open-source self-hosted CRM with a Django REST API: leads, deals, contacts, invoices and support tickets, multi-tenant by PostgreSQL row-level security. Same primary category archivebox Self-hosted internet archiving solution. Same primary category openoutreach Open-source AI lead finder: describe your product, get qualified leads with the reason each one fits. Same primary category holidays Open World Holidays Framework Same primary category home-assistant-frontend The Home Assistant frontend Same primary category disposable-email-domains A set of disposable email domains Same primary category Related news No published news event mentions this package or its repository yet.
