Top 9 Scala Parsing Projects

Scopt

0 1,331 5.0 Scala

command line options parsing for Scala
Fast Parse

1 978 5.1 Scala

Writing Fast Parsers Fast in Scala

Project mention: Parser generators vs. handwritten parsers: surveying major languages in 2021 | news.ycombinator.com | 2021-08-21

Agreed! I would say that parser combinators are the sweet spot and the right choice in most cases.
Scala has them as well, e.g.: https://com-lihaoyi.github.io/fastparse/
And the good thing is, you don't have to learn a completely new language/syntax, you can use the host language's syntax and you have full IDE support as well.
Scout APM

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Parboiled2

0 677 8.0 Scala

A macro-based PEG parser generator for Scala 2.10+
Scallop

1 612 4.9 Scala

a simple Scala CLI parsing library

Project mention: Recommended CLI parsing libraries | reddit.com/r/scala | 2021-02-20

Scallop is great -- it allows you to wrap entire functions and routines inside calls which pass arguments (like --name) and use them.
Scala Parser Combinators

0 560 8.0 Scala

simple combinator-based parsing for Scala. formerly part of the Scala standard library, now a separate community-maintained module
decline

2 496 8.6 Scala

A composable command-line parser for Scala.

Project mention: Recommended CLI parsing libraries | reddit.com/r/scala | 2021-02-20

That issue is not about sum types, it's about products of subcommand decoders. E.g. you might want to support a syntax like this:
jsoniter-scala

8 455 9.5 Scala

Scala macros for compile-time generation of safe and ultra-fast JSON codecs

Project mention: jsoniter-scala with Spark - feedback wanted | reddit.com/r/apachespark | 2021-11-18

Would extending of java.io.Serializable by its codecs and configs make it handier in use with Spark?
Nanos

github.com/nanovms
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atto

0 351 6.6 Scala

friendly little parsers
CLIST

0 101 0.0 Scala

Command Line Interface Scala Toolkit

NOTE: The open source projects on this list are ordered by number of github stars. The number of mentions indicates repo mentiontions in the last 12 Months or since we started tracking (Dec 2020). The latest post mention was on 2021-11-18.

Scala Parsing related posts

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Recommended CLI parsing libraries
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1 project | reddit.com/r/scala | 10 Jan 2021

Index

What are some of the best open-source Parsing projects in Scala? This list will help you:

	Project	Stars
1	Scopt	1,331
2	Fast Parse	978
3	Parboiled2	677
4	Scallop	612
5	Scala Parser Combinators	560
6	decline	496
7	jsoniter-scala	455
8	atto	351
9	CLIST	101

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