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.
ifttt - IFTTT puts the internet to work for you. Create simple connections between the products you use every day.
reCAPTCHA - reCAPTCHA is a free security service that protects your websites from spam and abuse.
Zapier - Connect the apps you use everyday to automate your work and be more productive. 1000+ apps and easy integrations - get started in minutes.
GeeTest CAPTCHA - GeeTest protects your websites, mobile Apps and APIs from bot threats.
n8n.io - Free and open fair-code licensed node based Workflow Automation Tool. Easily automate tasks across different services.