scala.meta vs Monocle

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scala.meta		Monocle
	Project
2	Mentions	5
1,087	Stars	1,629
0.6%	Growth	0.2%
9.8	Activity	8.3
4 days ago	Latest Commit	1 day ago
Scala	Language	Scala
BSD 3-clause "New" or "Revised" License	License	MIT 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.

scala.meta

Posts with mentions or reviews of scala.meta. We have used some of these posts to build our list of alternatives and similar projects. The last one was on 2022-08-16.

Scala Library To Generate Case Classes for JSON
8 projects | /r/scala | 16 Aug 2022

I just wrote a small generator for a personal project using scalameta. It might be worth doing just for the learning experience, I thought it was a blast to use.
Running tests from emacs
1 project | /r/scala | 6 Apr 2022

I have successfully installed metals on emacs as per the instructions on scalameta.org - things like syntax highlighting and jump to definiton work, and lsp-metals-doctor-run shows mostly green ticks.

Monocle

Posts with mentions or reviews of Monocle. We have used some of these posts to build our list of alternatives and similar projects. The last one was on 2022-04-12.

Ref in cats-effect. When should I use it, and when should I not?
1 project | /r/scala | 9 Jul 2022

Without concurrency, using a Ref doesn't buy you anything over just using a var. If you want the benefits of immutability with an API that resembles mutability, you have to use something like Monocle.
Show HN: Monocle – bidirectional code generation library
10 projects | news.ycombinator.com | 12 Apr 2022

A very popular Scala optics library is also called Monocle. I’ve been a happy user for a few years:
https://github.com/optics-dev/Monocle
Monocle 3 release candidate - a super useful and simple library for optics with poetic api
1 project | /r/scala | 1 Jun 2021

See example https://www.optics.dev/Monocle/
Monocle 3.0.0-M1 is released for Scala 2.13 and Scala 3
1 project | /r/scala | 19 Feb 2021
Monocle 3 Roadmap
3 projects | /r/scala | 21 Jan 2021

We always have work to do, for example to define scalfix rules to automate the migration https://github.com/optics-dev/Monocle/issues/1001

What are some alternatives?

When comparing scala.meta and Monocle you can also consider the following projects:

Shapeless - Generic programming for Scala

Quicklens - Modify deeply nested case class fields

Lamma - Lamma schedule generator for Scala is a professional schedule generation library for periodic schedules like fixed income coupon payment, equity deravitive fixing date generation etc.

Ammonite-Ops - Scala Scripting

Chimney - Scala library for boilerplate-free, type-safe data transformations

Scala Async - An asynchronous programming facility for Scala

cats - Lightweight, modular, and extensible library for functional programming.

Scalaz - Principled Functional Programming in Scala

refined - Refinement types for Scala

Scala Graph - Graph for Scala is intended to provide basic graph functionality seamlessly fitting into the Scala Collection Library. Like the well known members of scala.collection, Graph for Scala is an in-memory graph library aiming at editing and traversing graphs, finding cycles etc. in a user-friendly way.