vectorspace alternatives and similar packages
Based on the "vector" category.
Alternatively, view vectorspace alternatives based on common mentions on social networks and blogs.

vector
An efficient implementation of Intindexed arrays (both mutable and immutable), with a powerful loop optimisation framework . 
vectorbinaryinstances
Instances for the Haskell Binary class, for the types defined in the popular vector package. 
vectorspacepoints
A type for points, as distinct from vectors. 
vectorfunctorlazy
vectors supporting lazy fmap application; asymptotically faster in some cases 
vectorspacemap
vectorspace operations for finite maps using Data.Map 
vectorthunbox
Deriver for unboxed vectors using Template Haskell
WorkOS  The modern identity platform for B2B SaaS
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README
This package provides provides classes and generic operations for additive groups, vector spaces and affine spaces. It also defines a type of infinite towers of generalized derivatives, as described in the paper Beautiful differentiation. A generalized derivative is a linear transformation rather than one of the common concrete representations (scalars, vectors, matrices, ...). The representation of linear maps uses the MemoTrie package.