UniqPin
UniqPin is a free for non-commercial use service which destiny improve ability of interfaces detect…
20 Alternatives To UniqPin
ACES for Business
ACES for Business automatically send appointment confirmation emails with a photo of the employee scheduled for service to customers.
Akismet
Akismet is a spam fighting service that protects millions of WordPress sites from comment and contact form spam.
Confident Captcha
Confident Technologies provides free CAPTCHA security software called Confident CAPTCHA, a picture…
FeedCaptcha
FeedCaptcha is a new captcha system, easy to integrate and with meaning for your product.
GeeTest CAPTCHA
GeeTest protects your websites, mobile Apps and APIs from bot threats.
MTcaptcha
Enterprise Captcha solutions
Mandrill
Mandrill is a new way for apps to send transactional email. It runs on the delivery infrastructure that powers MailChimp.
Metal Captcha
A captcha form for metal fans
Mollom
Mollom is a freemium web service to get rid of spam, unwanted content and fake users on your…
Negative Captcha
A plugin to make the process of creating a negative captcha in Rails much less painful
NoMoreCaptchas
What Does NoMoreCaptchas Do?
PHPMailer
Email sending library for PHP.
Sblam!
Open-source implementation of server-side spam filtering of blog comments and forum posts.
Securimage
Securimage is a script for generating complex images and CAPTCHA codes to protect forms from spam…
Smartech
Smartech is a AI-powered Cross-channel Marketing Automation & Analytics Suite. It helps marketers and product managers LISTEN to and ANALYSE consumer behavior, and execute hyper-personalised campaigns to retain and engage users (CONVERSE).
Sumo
Free tools to grow your email list.
Virusdie
All-in-One cloud-based, simple, powerful and gorgeous website security tools built for everyone.
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.
phpformmailer
Easy to use - Nothing stupid your visitors have to type before the form submits.
reCAPTCHA
reCAPTCHA is a free security service that protects your websites from spam and abuse.