https://blendermarket.com/products/sakura-poselib
Software Version 4.1, 4.0, 3.6, 3.5, 3.4, 3.3, 3.2, 3.1, 3.0, 2.93

• Simple and handy UI, replicating and enhances the essence of good-old Pose Library. Blend multiple poses. Work with Sakura Tools "Poselib to Shape Keys" operator. Compatible with other software, such as PMX Editor.