mtl vs parallel

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mtl		parallel
	Project
10	Mentions	-
355	Stars	91
0.8%	Growth	-
0.0	Activity	4.4
7 days ago	Latest Commit	20 days ago
Haskell	Language	Haskell
BSD 3-clause "New" or "Revised" License	License	BSD 3-clause "New" or "Revised" License

The number of mentions indicates the total number of mentions that we've tracked plus the number of user suggested alternatives.
Stars - the number of stars that a project has on GitHub. Growth - month over month growth in stars.
Activity is a relative number indicating how actively a project is being developed. Recent commits have higher weight than older ones.
For example, an activity of 9.0 indicates that a project is amongst the top 10% of the most actively developed projects that we are tracking.

mtl

Posts with mentions or reviews of mtl. We have used some of these posts to build our list of alternatives and similar projects. The last one was on 2022-10-31.

Deprecating Safe Haskell, or heavily investing in it?
1 project | /r/haskell | 28 Dec 2022

The most recent real case I remember is https://github.com/haskell/mtl/issues/110, which could ended badly.
Type class subsets
1 project | /r/haskell | 16 Dec 2022

Splitting mtl classes into algebraic and non-algebraic components (url) Factor MonadReader into Ask (algebraic) and Local (non-algebraic) classes Factor MonadWriter into Tell (algebraic) and Listen/Pass (non-algebraic)
[ANN] mtl-2.3.1
2 projects | /r/haskell | 31 Oct 2022
[ANN] mtl-2.3.1-rc1
2 projects | /r/haskell | 29 Aug 2022

It was the example from the ticket which works fine because there is no restriction that the argument to ContT r is a Monad
Confusion about StateT
1 project | /r/haskell | 8 Aug 2022
Draft mtl-2.3 migration guide
3 projects | /r/haskell | 5 Jul 2022

I don't think so, but here is a list of upcoming changes in mtl-3.0.

parallel

Posts with mentions or reviews of parallel. We have used some of these posts to build our list of alternatives and similar projects.

We haven't tracked posts mentioning parallel yet.
Tracking mentions began in Dec 2020.

What are some alternatives?

When comparing mtl and parallel you can also consider the following projects:

motor - Type-safe effectful state machines in Haskell

weighted-search - A monad for weighted nondeterminism

capability - Extensional capabilities and deriving combinators

ComonadSheet - A library for expressing "spreadsheet-like" computations with absolute and relative references, using fixed-points of n-dimensional comonads.

eveff - Efficient Haskell effect handlers based on evidence translation.

lens-tutorial - The missing tutorial module for the lens library

mtl-unleashed - MonadReader and MonadState without the functional dependencies

effet - An effect system based on type classes, written in Haskell.

control-monad-free - Free monads and monad transformers

frpnow

cond - Basic conditional operators with monadic variants.

record - Anonymous records