LinuxSampler is described as '- free, open source pure software audio sampler with professional grade features' and is an app in the Audio & Music category. There are more than 25 alternatives to LinuxSampler for a variety of platforms, including Windows, Mac, Linux, iPad and Online / Web-based. The best alternative is LMMS, which is both free and Open Source. Other great apps like LinuxSampler are Ableton Live (Paid), GarageBand (Free), Cakewalk (Free) and AudioTool (Free).
FamiStudio is very simple music editor for the Nintendo Entertainment System or Famicom. It is designed to be easier to use than FamiTracker, but its feature set is also much more limited. It is targeted at both chiptune artists and NES homebrewers.
Bosca Ceoil is all about looping, and designed that way at its heart. Songs are built up from lots of tiny 16 note patterns – the intended workflow is that you loop over these single patterns until you have something you like, then you start making variations.
ACID Pro software is a DAW powerhouse that combines full multitrack recording and mixing, MIDI sequencing, and legendary ACID looping functionality for a seamless music-creation and post-production environment.
Soundation Studio is the free online music making application that gives everyone the opportunity to make music on the internet. With instant access to music making tools like a loop library, virtual instruments, real time effects, automation, audio recording and editing.
Amped Studio is a modern web based music studio and production environment. With the instant access of a web application you can quickly get in to creating music with virtual instruments, effects, loops, samples and easy to use tools.
HammerHead is a simple TR-909-like drum computer program aiming at the dance-scene. You can use it to create perfect Techno loops, Jungle patterns or House beats, but it's also suitable for Hip Hop, Triphop, Rap, Industrial and almost any other music you can think of.