Enterprise Auth, Zero Friction: Any Framework • 30+ SDKs • Universal Login
Production-ready login in 10 lines of code. SSO, MFA & social auth included. Scale seamlessly beyond free tier with Okta’s enterprise security.
Get Your API Keys
Top-Rated Free CRM Software
216,000+ customers in over 135 countries grow their businesses with HubSpot
HubSpot is an AI-powered customer platform with all the software, integrations, and resources you need to connect your marketing, sales, and customer service. HubSpot's connected platform enables you to grow your business faster by focusing on what matters most: your customers.
POPFile is an email classification tool with a Naive Bayes classifier, POP3, SMTP, NNTP proxies and IMAP filter and a web interface. It runs on most platforms and with most email clients.