Description: Google Lighthouse is an open-source automated tool for improving web page quality. It audits for performance, accessibility, progressive web apps, SEO and more.
Type: software
Pricing: Open Source
Description: Mailman is an open source mailing list management system. It helps manage email discussion and announcement lists, allowing users to subscribe and unsubscribe, and helping admins moderate and post to the lists.
Type: software
Pricing: Free