Splice is a cloud-based music creation and collaboration platform that provides a range of services for musicians, producers, and audio engineers. It offers a large library of royalty-free samples, loops, and sound effects that can be used in music production. Users can download individual sounds from the library or subscribe for unlimited access. Splice also offers features like collaborative project sharing, version control, and plugin rentals, allowing users to access popular VST plugins through a rent-to-own model.