About Friendly Captcha
Friendly Captcha is a proof-of-work based solution in which the user’s device does all the work.
How Friendly Captcha compares
- #1
Keybase9.2k - #2Hanko9k
- #3Altcha2.7k
- #4Friendly Captcha450
- #5
Slider Captcha306 - #6
Limit Login Attempts Reloaded5
252k npm downloads, last 30 days
#4 of 6 Security we have counts for (of 86) · bars are GitHub stars across these neighbours; the category leader is Keybase at 9.2k · as of August 25, 2026
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Friendly Captcha#4 of 6 Security
#3 of 6 Security
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How we audit Friendly Captcha
We measure the detected version against Friendly Captcha's release history and grade the surrounding stack with a Lighthouse-grade quality audit. Weak or outdated links weigh more - one risky dependency can pull the whole score down.
How the score worksMore technologies in Security
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