selective vs apecs

selective

Selective Applicative Functors: Declare Your Effects Statically, Select Which to Execute Dynamically (by snowleopard)

Control Haskell

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apecs

a fast, extensible, type driven Haskell ECS framework for games (by jonascarpay)

Control Haskell entity-component-system Game development

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selective		apecs
	Project
1	Mentions	4
200	Stars	381
-	Growth	-
4.4	Activity	7.3
6 days ago	Latest Commit	about 1 month ago
TeX	Language	Haskell
MIT 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.

selective

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

Is it possible to write a definitional interpreter in Applicative style?
1 project | /r/haskell | 28 Sep 2022

I don't that that it goes fully all the way to monads. But, it does seem to require something "stronger" than applicatives, and I think stronger than selective functors -- though maybe there is a selection domain that is sufficient.

apecs

Posts with mentions or reviews of apecs. We have used some of these posts to build our list of alternatives and similar projects. The last one was on 2021-09-18.

I want to make a game in Haskell to surprise my boyfriend, but don’t know where to start.
1 project | /r/haskell | 22 Jan 2023

There's an apecs-gloss tutorial here that is a simple Shmup.
New Haskell ebook: Learn Haskell by building a blog generator
1 project | /r/haskell | 5 Dec 2021

The apecs paper and associated shoot 'em up game tutorial
Looking for projects that make heavy use of IntMap which have benchmarks
4 projects | /r/haskell | 18 Sep 2021

apecs uses IntMaps all over the place and is benchmarked. They're the most common backing data structure for Components I'd say.
Unity Patents ECS
1 project | news.ycombinator.com | 8 Sep 2021

Example of ECS that was published on GitHub before this patent was even filed: https://github.com/jonascarpay/apecs.git

What are some alternatives?

When comparing selective and apecs you can also consider the following projects:

transient - A full stack, reactive architecture for general purpose programming. Algebraic and monadically composable primitives for concurrency, parallelism, event handling, transactions, multithreading, Web, and distributed computing with complete de-inversion of control (No callbacks, no blocking, pure state)

frpnow

funflow - Functional workflows

ImperativeHaskell - Proof that Haskell can look and act like an imperative language.

atl - Arrow Transformer Library

record - Anonymous records

distributed-closure - Serializable closures for distributed programming.

hask - Category theory for Haskell with a lens flavor (you need GHC 7.8.3, not 7.8.2 to build this!)

machinecell - Arrow based stream transducer

extensible-effects - Extensible Effects: An Alternative to Monad Transformers

abstract-par

tardis