Freestyle VS Simulacrum

Compare Freestyle vs Simulacrum and see what are their differences.


A cohesive & pragmatic framework of FP centric Scala libraries (by frees-io)


First class syntax support for type classes in Scala (by typelevel)
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Freestyle Simulacrum
- 1
612 937
-0.2% -0.3%
0.0 3.7
almost 5 years ago about 2 months ago
Scala Scala
Apache License 2.0 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.


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

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


Posts with mentions or reviews of Simulacrum. We have used some of these posts to build our list of alternatives and similar projects. The last one was on 2021-08-10.
  • Friction-less scala - Tell us what is causing friction in your day-to-day life with Scala
    14 projects | /r/scala | 10 Aug 2021
    The Cats ecosystem offers mature named abstractions providing algebraic laws virtually identical to those offered by Haskell and PureScript and that have stood the test of time, at the cost of relying on a "design pattern" approach to implementation you have to squint a bit to see ("typeclasses" based on higher-kinded types and implicit arguments) and that sometimes doesn't play nicely with Scala's colored local type inference. The selling point of this, coupled with parametricity ("tagless-final style"), is the ability to reason algebraically about your code.

What are some alternatives?

When comparing Freestyle and Simulacrum you can also consider the following projects:

better-files - Simple, safe and intuitive Scala I/O

Ammonite-Ops - Scala Scripting

Twitter Util - Wonderful reusable code from Twitter

scribe - The fastest logging library in the world. Built from scratch in Scala and programmatically configurable.

Quicklens - Modify deeply nested case class fields

Hamsters - A mini Scala utility library

LArray - Large off-heap arrays and mmap files for Scala and Java

Each - A macro library that converts native imperative syntax to scalaz's monadic expressions

Shapeless - Generic programming for Scala

refined - Refinement types for Scala

enableIf.scala - A library that toggles Scala code at compile-time, like #if in C/C++