The RIAA and many record labels have never liked Grooveshark much even though the music streamer claims it's DMCA-compliant and responds to takedown requests. Two new open source projects - Groovejaar and Groove Shredder -  are guaranteed to make the RIAA & CO like Grooveshark even less. To be clear, Grooveshark has nothing to do with the either. But if users can now illegally download songs from a streaming site that they already think is illegal... You get the picture. DETAILS:

GrooveJaar is a Java based downloader with a full set of features that takes Grooveshark and turns it into LimeWire with super-fast downloads, high quality MP3s and no malware. Download, fire it up and users can according to their web site:

• Search songs
• Fetch user playlist
• Fetch top songs
• Fetch songs from albums
• Retrieve useful information for every songs searched like bitrate or size..
• Multithread
• Cover preview and download (if present on GrooveShark)
• Listen a song before download

Groove Shredder is a Firefox extension that downloads mp3s from Grooveshark. It was built for "for educational purposes only. After installation, a toolbar button will appear which that allows users to toggle Groove Shredder on or off. When enabled, Groove Shredder will add a download button to Grooveshark's Now playing section.

You can learn more about Groovejaar here and Groove Shredder here.