I often get the question "What is the best strings library?" Obviously, I can't answer that because your needs are different than mine. What I can do is to show you my favorite ones and why they work for me. I can also show you some that do not work for me.
00:00 Awesome strings intro
00:07 A bit of context, disclaimer and all that
01:39 Good: VSL Synchron Strings Pro
09:11 Good: Strezov Sampling Afflatus
13:14 Good: Hans Zimmer Strings
16:54 Bad: Cinematic Studio Strings
22:57 Bad: Strezov Sampling Afflatus
If you want to know more about building templates for strings, writing strings parts and mixing them, check out my course at digitalcomposing.com. As a member of Composing Tips, you get a 10% discount with coupon code COMPOSINGTIPS10.