ALTCHA
reCAPTCHA
hCaptcha
Cloudflare Turnstile
Private Captcha
mosparo
GeeTest CAPTCHA
Cap Captcha
Microlink
CRX Extractor
Ghost Inspector
Jsonlink.io
CloudBrowser.co
Schema API
browserling
BrowserCat
ALTCHA uses a proof-of-work mechanism to protect your website, APIs, and online services from spam and unwanted content. Unlike other solutions, ALTCHA is free, open-source and self-hosted, without external services, does not use cookies nor fingerprinting, does not track users, and is fully compliant with GDPR.
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ALTCHA's answer
What makes ALTCHA unique is that it is free, open-source and self-hosted, without external services, does not use cookies nor fingerprinting, does not track users, and is fully compliant with GDPR. Unlike other captcha solutions, ALTCHA does not require users to solve puzzles or captchas and uses a proof-of-work mechanism instead.
ALTCHA's answer
Here are some key reasons why a person should choose ALTCHA over its competitors:
So in summary, ALTCHA's privacy compliance, open design, accessibility, machine compatibility and modern approach give it clear advantages over competing captcha solutions.
ALTCHA's answer
JavaScript and Svelte.
Based on our record, Microlink should be more popular than ALTCHA. It has been mentiond 6 times since March 2021. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.
The captcha on orkestr is Altcha. Self-hosted, no third-party JS, no Google, no behavioral tracking. Users don't see a puzzle. There's a single checkbox and a quiet "verifying..." while the browser does some math. About a second, total. - Source: dev.to / about 2 months ago
Here's how PoW works for form protection (using the ALTCHA wire format):. - Source: dev.to / 3 months ago
Go based, similar to JS based ALTCHA https://altcha.org/ discussed at https://news.ycombinator.com/item?id=43971068. - Source: Hacker News / 7 months ago
Microlink's cards [1] I discovered years ago has similar functionality, and microlink itself [2] is much more sophisticated on leveraging a headless chrome. [1]: https://github.com/microlinkhq/cards [2]: https://microlink.io/. - Source: Hacker News / 6 months ago
It's a very basic idea. Few days back, I got to know about this tool named 'microlink' which is a free Browser-as-API sdk. One of its feature was that you provide it a url and it will give you a screenshot of that particular page. - Source: dev.to / almost 2 years ago
How do the multiple startups that import YouTube video into their platform work - one's that need the video/audio files? There seems to be a lot of webapps supporting this but I always wondered if they have a goto API for doing this. I myself have used microlink at some points for automated video source extraction. https://microlink.io. - Source: Hacker News / almost 2 years ago
Metascraper is baked by Microlink, which uses it internally in its browser automation product. - Source: dev.to / about 5 years ago
These guys bypass cloudflare https://microlink.io it's open source but it's just more convenient to pay and forget about it. - Source: Hacker News / almost 5 years ago
reCAPTCHA - reCAPTCHA is a free security service that protects your websites from spam and abuse.
CRX Extractor - Get any Chrome Extension source code. Learn and hack!
hCaptcha - Do you use a captcha to keep out bots? hCaptcha is a drop-in replacement for reCAPTCHA that earns website owners money and helps companies get their data labeled.
Ghost Inspector - Easily create automated browser tests for your websites and web apps. Ensure everything works and looks the way it should. No coding required. 14 day free trial!
Cloudflare Turnstile - Cloudflare's service for any company to replace CAPTCHAs and deliver a better experience to web visitors.
Jsonlink.io - Link Scrapper API for free. Turn any link into JSON data