With the free Applied Acoustic Systems Player you can use (not edit) many (also free) sounds from the company´s products.
Free M4L device from JDevices.
Map sequencer is a non-linear sequencer plugin. The sequencer follower any waveform that is selected. The sequencer can be synced to the tempo of Ableton or run in free mode.
Goodhertz are offering a free and good stereo tool:
Midside Matrix pares down our acclaimed mid/side processor, Midside, to just the essentials: mid/side matrixing, gains, monitoring, & metering — all in a simple, lightweight package.
Caustic 3 is a music creation tool inspired by rack-mount synthesizers / samplers rigs. Everything is real-time and optimized for mobile devices.
But the desktop version is free (No support)
And another free modular synth featuring:
– High Quality Oscillators
– Ultra Low CPU
– Intergrated 128 Note Polyphonic Modules
– Sample Player
– Karplus-Strong Physical Moddeling
– Analog Modelled K35 ZDF Sallen-Key Filter
– Over 40 Modules Available
– 1000s of Combinations
– MIDI Controller Enabled
– Unlimited load and save patches
– Single Microsoft Windows 32bit DLL