No matter what your musical taste, it's always great to be able to discover new music. What's even better? When the music's free!

There's a problem though. Although there are lots of ways of downloading free music, not all of them are legal. For lots of users, that's a problem. Luckily in recent times, developers have realized that people want music without breaking the law, and have come up with loads of apps that allow you to download music that's both free AND legal.

LimeWire, the popular Gnutella based P2P program for Mac and Windows, has ceased operations. Torrentfreak reports that a US judge has granted a request from the Recording Industry Artists of America (RIAA) to disable all features of the program that allow users to share copyrighted material. LimeWire has issued a statement on its site. They have also issued a link to a PDF file of the 17 page injunction. Torrentfreak reports that although this is the end of LimeWire in its current form, it is expected to reappear with a "non-infringing" service.

iPhone: The default battery indicator on the iPhone looks pretty, but it doesn't really give you much information other than a general idea of how much juice you have left. About Battery delivers a more powerful and advanced way of monitoring battery life on your iPhone. Rather than just give you an overview of the remaining power, the program breaks it down into calculations of the remaining time you have left for certain tasks.

Windows: There are a few apps to listen to music in streaming, but what if you'd like to buy or download a certain MP3 to your hard drive? With Songr you can search the Web for selected MP3 files and download or buy them from within the program in seconds! Songr uses ten different MP3 search engines and also lets you locate songs by their lyrics.

Mac: With so many mobile devices available nowadays, it's handy to have some way of syncing your data across them all. doubleTwist is aimed at the media side of this issue, allowing you to synchronize video and music across portable devices, including mobile phones, smartphones, PDAs, PSP, cameras, and MP3 players. It's ideal for syncing iTunes playlists across your mobile devices as well as many other media-syncing needs.