Description: BuiltWith is a software that analyzes the technologies used on websites. It scans millions of websites to detect what frameworks, content management systems, JavaScript libraries, web servers, and other technologies are implemented on each site.
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