Description: Quora is a popular question-and-answer website where users can post questions and get answers from a community of experts and other knowledgeable people. Its focus is on gaining and sharing knowledge.
Type: software
Description: Sympa is an open source email list management web application. It allows you to create and manage mailing lists for distributing messages to large numbers of email subscribers. Key features include subscriber management, mailing list administration, message archiving and integration with external databases.
Type: software
Pricing: Open Source