# External Services
Some services make sense to use off the shelf.
# Production
# reCAPTCHA
reCAPTCHA (opens new window) is a Google run captcha service.
All captchas used in WBStack are currently reCaptcha captchas.
# Mailgun
Mailgun (opens new window) is a for profit API based email solution.
All email from WBStack comes from Mailgun.
Dashboard: https://app.eu.mailgun.com/app/sending/domains/mail.wbstack.com
# Let's Encrypt
Let's Encrypt (opens new window) is a non-profit certificate authority run by Internet Security Research Group.
All HTTPs certificates for WBStack come from Let's Encrypt
# Development
# Github
Github (opens new window) is primarily used for source control, continuous integration, container image building and hosting. This docs site is also hosted on Github!
# Netlify
Some code repositories make use of Netlify (opens new window) for PR branch hosting.