Description: ChatPDF is a software that allows users to have conversations and collaborate in PDF documents. It enables real-time chat and discussions directly within PDFs, making it easy to communicate ideas and provide feedback.
Type: software
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