LimeWire is a software tool that enables peer-to-peer file sharing on the Gnutella network.

Similar to the popular Napster service, it enables the sharing, searching, and downloading of MP3 music files. LimeWire also lets users share and search for all types of computer files, including movies, pictures, games, and text documents. Other features include the ability to push uploads and downloads, BearShare QHD compatibility, the ability to measure the speed of remote hosts and preview files while downloading, and a chat feature.