1. Jamendo: Offers free music under Creative Commons licenses, making it easy to find, listen, and share royalty-free music.
2. SoundCloud: A vast platform with millions of tracks from independent artists, some available for free download.
3. Bandcamp: Hosts music from independent artists and lets you set your own price, including a "pay what you want" option for free downloads.
4. Internet Archive Audio: An extensive collection of audio files, including music, sourced from various public domain and creative commons sources.
5. Freesound: Provides a large library of sound effects and samples, many of which can be used for music production.
6. Musopen: Offers a selection of classical music downloads from renowned performers, all free and legal.
7. Beatport Sounds: A platform primarily for electronic music producers and DJs, with some free sample packs and loops available for download.
8. ccMixter: Focuses on creative commons-licensed music, allowing you to remix, reuse, and share tracks legally.
9. Noisetrade: Artists offer their music for free in exchange for an email address or some form of social media interaction.
10. ReverbNation: Hosts indie music from emerging artists and offers free downloads when artists set their music as "free."
Remember to check the licensing terms of any free music you download to ensure it can be used for your intended purpose. Some music may be available for personal use only, while some may also allow commercial use.