has alternatives and similar packages

Based on the "data" category.
Alternatively, view has alternatives based on common mentions on social networks and blogs.

proto-lens

9.8 4.2 has VS proto-lens

API for protocol buffers using modern Haskell language and library patterns.
microlens

9.7 5.3 has VS microlens

A lightweight (but compatible with ‘lens’) lenses library

Build time-series-based applications quickly and at scale.

InfluxDB is the Time Series Platform where developers build real-time applications for analytics, IoT and cloud-native services. Easy to start, it is available in the cloud or on-premises.

Promo www.influxdata.com

msgpack

9.6 0.0 has VS msgpack

Haskell implementation of MessagePack / msgpack.org[Haskell]
extensible

9.3 4.2 has VS extensible

Extensible records, variants, structs, effects, tangles
store

9.3 3.1 has VS store

Fast binary serialization in Haskell
file-embed

9.1 0.0 has VS file-embed

Use Template Haskell to embed file contents directly.
pretty-hex

9.0 0.0 has VS pretty-hex

A human readable style for binary data.
fclabels

9.0 0.0 has VS fclabels

First class composable record labels for Haskell.
base64-bytestring

8.9 1.3 has VS base64-bytestring

Fast base64 encoding and decoding for Haskell.
monoid-extras

8.7 0.0 has VS monoid-extras

Miscellaneous constructions on monoids
asn1-encoding

8.4 0.0 has VS asn1-encoding

ASN1 Raw/BER/DER/CER reader/writer in haskell
data-category

8.2 1.0 has VS data-category

Library of categories, with categorical constructions on them
interpolatedstring-perl6

7.8 0.0 has VS interpolatedstring-perl6

QuasiQuoter for Perl6-style multi-line interpolated strings with q, qq and qc support.
exinst

7.5 0.0 has VS exinst

Derive instances for your existential types.
buffer-builder

7.5 0.0 has VS buffer-builder

Haskell library for efficiently building up buffers
union

7.4 0.0 has VS union

Extensible type-safe unions for Haskell
irc

7.4 0.0 has VS irc

Haskell irc library
language-hcl

7.3 0.0 has VS language-hcl

language-hcl contains HCL (Hashicorp Configuration Language) parsers and pretty-printers for the Haskell programming language
histogram-fill

7.1 0.0 has VS histogram-fill

Filling and manupulation with histograms
bimap

6.9 4.3 has VS bimap

Bidirectional mapping between two key types
total-map

6.9 0.0 has VS total-map

Finitely represented /total/ maps
cassava-conduit

6.7 0.0 has VS cassava-conduit

Conduit interface for cassava [Haskell]
data-lens

6.5 0.0 has VS data-lens

Haskell 98 Lenses
phone-numbers

6.3 0.0 has VS phone-numbers

Incomplete bindings to libphonenumber for Haskell
openpgp

6.2 0.0 has VS openpgp

Implementation of the OpenPGP message format
finite-typelits

6.1 0.0 has VS finite-typelits

A type inhabited by finitely many values, indexed by type-level naturals.
data-object-yaml

5.7 0.0 has VS data-object-yaml

Serialize data to and from Yaml files
attoparsec-iteratee

5.7 0.0 has VS attoparsec-iteratee

An adapter to convert attoparsec Parsers into blazing-fast Iteratees
order-statistic-tree

4.9 0.0 has VS order-statistic-tree

Order statistic tree in Haskell
range-set-list

4.9 0.0 has VS range-set-list

Memory efficient sets with continuous ranges of elements. List based implementation.
data-structure-inferrer

4.9 0.0 has VS data-structure-inferrer

A program that analyzes source code with a data-structure wildcard and suggests the right one.
syb-with-class

4.9 0.0 has VS syb-with-class

Fork of http://patch-tag.com/r/Saizan/syb-with-class
currency

4.7 0.0 has VS currency

Types representing standard and non-standard currencies
filesystem-trees

4.5 0.0 has VS filesystem-trees

Traverse and manipulate directories as lazy rose trees
dwarf-el

4.5 0.0 has VS dwarf-el

Haskell library for parsing DWARF object format
data-pprint

4.3 0.0 has VS data-pprint

Additional Cabal packages for ActiveHs
schedule-planner

4.3 0.0 has VS schedule-planner

Calculate an ideal schedule layout from a set of timeslots
type-iso

4.0 0.0 has VS type-iso

Expresses isomorphic and injective relations between types.
data-lens-fd

3.5 0.0 has VS data-lens-fd

Lenses with Functional Dependencies
unamb-custom

2.9 0.0 has VS unamb-custom

Functional concurrency with unambiguous choice, using a custom scheduler.
procrastinating-variable

2.6 0.0 has VS procrastinating-variable

Haskell values that cannot be evaluated immediately.
resource-pool-catchio

2.6 0.0 has VS resource-pool-catchio

A high-performance striped resource pooling implementation for Haskell