Description: LibraryThing is an online service that allows users to catalog their books easily. Users can keep track of books they own, books they have read, books they want to read, and more. The service provides recommendation features and social networking elements for readers.
Type: software
Pricing: Subscription
Description: Sendmail is a widely used open-source mail transfer agent (MTA) for routing and delivering email on Unix and Linux systems. It handles routing emails between mail servers and delivers them to local users' mailboxes.
Type: software
Pricing: Open Source