GeeTest CAPTCHA
DataDome
hCaptcha
MTcaptcha
reCAPTCHA
AuthKong
PerimeterX Bot Defender
UniqPin
ALTCHA
hCaptcha
reCAPTCHA
mosparo
OOPSpam Anti-Spam API
Cloudflare Turnstile
CleanTalk
MTcaptcha
GeeTest protects websites, mobile apps and APIs from bad bot attacks with zero user friction. Its self-learning defense model based on Graph Convolutional Networks and massive volumes of behavioral biometric data collected since 2012 allows GeeTest to identify and mitigate bad bots across all GeeTest-protected sites. By analyzing over 200 parameters, GeeTest dynamic defense model provides its clients with a broader and deeper understanding of bot activities while its superior technology constantly learns and adjusts itself for any emerging threats. As the industry leader in the era of user experience, GeeTest CAPTCHA utilizes gamification to turn CAPTCHA into a fun and effortless experience. At present, GeeTest serves over 290,000 businesses worldwide, processing 1,000,000,000+ requests every day. At the beginning of 2024, GeeTest, a leader in innovative bot management solutions, proudly presents its latest offering – GeeTest Device Fingerprinting. The advanced cybersecurity solution designed to fortify online platforms against evolving digital threats. Leveraging sophisticated algorithms and cutting-edge technology, it intelligently identifies and tracks devices, providing a robust defense mechanism against malicious activities. Existing security measures often struggle to identify and prevent malicious activities originating from seemingly legitimate devices. GeeTest Device Fingerprinting steps in as a proactive and advanced solution to bridge this gap.
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.
GeeTest CAPTCHA ALTCHANo ALTCHA videos yet. You could help us improve this page by suggesting one.
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.
With Geetest we: Stopped brute force attacks on online accounts in which hackers repeatedly try to log-in using hundreds of different passwords. Prevented hackers from signing up for multiple email accounts that they’ll then go on to use for nefarious purposes.
DataDome - DataDome provides innovative technology and human expertise to block bad bots.
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.
reCAPTCHA - reCAPTCHA is a free security service that protects your websites from spam and abuse.
MTcaptcha - Enterprise Captcha solutions
mosparo - the modern spam protection
OOPSpam Anti-Spam API - The better, new standard to stop spam content.