Tiago
36 lines
1.7 KiB
Markdown
36 lines
1.7 KiB
Markdown
<img alt="Cap logo" src="https://capjs.js.org/logo.png" width="70">
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# cap — modern, lightning-quick PoW captcha
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cap is a lightweight, modern open-source CAPTCHA alternative designed using SHA-256 PoW.
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| [try cap →](https://capjs.js.org)
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|----------|
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[](https://www.npmjs.com/package/@cap.js/server) [](https://www.npmjs.com/package/@cap.js/widget) [](https://www.bestpractices.dev/projects/9920)
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<img alt="Cap captcha" src="./assets/thumb.png">
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## why Cap?
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- ⚡️ **250x smaller than hCaptcha**
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cap's widget library is extremely small, only 12kb minified and brotli'd.
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- 🔒️ **Private**
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cap's usage of proof-of-work eliminates the need for any tracking, fingerprinting or data collection.
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- 🌈 **Fully customizable**
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cap is self-hostable so you can customize both the backend & frontend — or you can just use CSS variables
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- 🤖 **PoW-based**
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cap uses proof-of-work instead of complex puzzles, making it easier for humans and harder for bots
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- 🧩 **Standalone mode**
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cap offers a standalone mode with Docker, allowing you to use it with languages other than JS.
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- 💨 **Invisible mode**
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cap can run invisibly in the background using a simple JS API.
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- ☁️ **Floating mode**
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floating mode keeps your CAPTCHA hidden until it's needed
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- 🌳 **Fully FOSS**
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completely open source under the Apache license 2.0 license
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## star history
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[](https://www.star-history.com/#tiagorangel1/cap&Date)
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