FrostWire is a free, open-source BitTorrent client that allows users to search, download, and share files across multiple platforms. It offers a user-friendly interface and supports a wide range of media file types, including audio, video, and images. The software also includes a built-in media player, a chat room, and the ability to create and manage playlists. Additionally, FrostWire includes features such as firewall-to-firewall transfers, proxy support, and advanced search options.