Multitracker is an audio playback iPad app that can route multi-track audio to whatever outputs you have on your audio interface.
The Bitbox will load up to 16 samples for triggering via MIDI, CV or tapping the touchscreen.
Another old synth gets the Samples From Mars treatment and the Roland SH-5 is great sounding and often overlooked source of noises.
You can now create your own instruments with the Presence XT Editor, but only as an added extra from the shop.
Help create a world wide modular synth with The Global Synthesizer Project by Moog and Yuri Suzuki.