Digital Juice

Both are collections of short anime clips made by Studio 4°C. Both have each episode made by different persone and some people worked on both Fluximation and Digital Juice. Both have mainly artistic purpose and both can be a bit trippy but still enjoyable. 

Collection of multiple short anime with different creators and animation styles, mostly not a typical anime style. If you like animation anthologies you will likely enjoy these. 

Both are collection of short experimental movies each done by different person with different style of animation. Both can be a bit trippy sometimes. Both have comedy parts. 

Both are trippy anime made by Studio 4°C. Both have mainly artistic purpose and both have short episode(s). 

Both are OVA that are collection of short, indipendent on themselves stories, each with different animation and story done by different people. Some can be a bit trippi and some stories from Digital Juice and Sweat Punch are made similary. 

Well basically they are both a bunch of random short stories with a deep psychological impact and unique art work. The Aoi Bungaku is based on Japanese drama novels