vectorspacemap alternatives and similar packages
Based on the "vector" category.
Alternatively, view vectorspacemap 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 . 
vectorspace
Vector & affine spaces, linear maps, and derivatives 
vectorthunbox
Deriver for unboxed vectors using Template Haskell 
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. 
vectorbytestring
ByteStrings as type synonyms of Vectors 
vectorheterogenous
Arbitrary size tuples in Haskell 
vectorfunctorlazy
vectors supporting lazy fmap application; asymptotically faster in some cases
Workflow assistant built for devs & their teams
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README
vectorspacemap
vectorspace operations for finite maps using Data.Map
Data.Map.Vector provides MapVector, a wrapper around Map from containers which supports constant maps, i.e. maps containing only one value. This allows an identity under intersection and an Applicative instance. It also has instances of AdditiveGroup, VectorSpace, InnerSpace, and Num with appropriate value types. Provides operations for addition, subtraction, elementwise operations (through Applicative), scalar multiplication (through VectorSpace), and dot product.
Also consider Conal Elliott's totalmap package, which provides a different Applicative map.