Arctic Strings is a cinematic string library designed from the ground up for easy to use ambient sustained strings. It features flexible scripted legato and portamento/ glissando. The interface is built around the northern lights, as you play the strings, the aurora swells and flows to the sound. The library is quite unlike anything else, it offers an unique inspiration experience and is perfect for atmospheric and ambient strings

Scripted Legato, Portamento/ Glissando.
Basses, Cellos, Violas and Violins all in 1 patch.
Dynamics slider (default CC1).
8 Presets.
13 Effects including delay, sequencer, chorus, reverb.
Automatic harmonise controls - lock to thirds, octaves, chords and more.
Attack and release controls.
Convolution reverb with ambient effect impulses.
Beautiful and unique GUI.
Change legato and glissando speed.
Comprehensive manual.
Advanced modulation matrix allows for setting keyswitches, velocity/CC modulation and much more.

http://www.frozenplain.com/products/arctic-strings/