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.
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 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 · 31 observations
30d 90d 1y 2y 9.5K 7.6K 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 SEP 7 SEP 22 OCT 7
Table of observations (31) 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
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.
