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Nearley Alternatives
Similar projects and alternatives to nearley
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llvm-project
The LLVM Project is a collection of modular and reusable compiler and toolchain technologies.
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SaaSHub
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Lark
Lark is a parsing toolkit for Python, built with a focus on ergonomics, performance and modularity.
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micrograd
A tiny scalar-valued autograd engine and a neural net library on top of it with PyTorch-like API
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Crate
CrateDB is a distributed and scalable SQL database for storing and analyzing massive amounts of data in near real-time, even with complex queries. It is PostgreSQL-compatible, and based on Lucene.
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markdown-it
Markdown parser, done right. 100% CommonMark support, extensions, syntax plugins & high speed
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parse5
HTML parsing/serialization toolset for Node.js. WHATWG HTML Living Standard (aka HTML5)-compliant.
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NOTE:
The number of mentions on this list indicates mentions on common posts plus user suggested alternatives.
Hence, a higher number means a better nearley alternative or higher similarity.
nearley discussion
nearley reviews and mentions
Posts with mentions or reviews of nearley.
We have used some of these posts to build our list of alternatives
and similar projects. The last one was on 2026-01-11.
- Elo – A data expression language which compiles to JavaScript, Ruby, and SQL
- Nearley.js: a toolkit for parsers written in JavaScript
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Writing a C compiler in 500 lines of Python
While I suspect I would learn more writing a tokenizer and parsing logic myself I find grammars much easier to read and maintain.
ANTLR is pretty good and is supported across several languages and something I had previously used for some quick Elasticsearch query syntax munging in Python. It also means you can often start from an already existing grammar.
The JS version of ANTLR didn't seem to work for me so for the SQL/JSONPath stuff ended up using the Moo lever and Nearly parser which was rather pleasant. https://nearley.js.org
- Parser generators vs. handwritten parsers: surveying major languages in 2021
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Applicative Parsing
Parsers in nearley.js [1] are written in a very readable EBNF-like DSL; then they get desugared down to a JS file that's a lot like your snippet.
[1] https://github.com/kach/nearley
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www.saashub.com | 12 Jun 2026
Stats
Basic nearley repo stats
5
3,738
2.5
over 1 year ago
kach/nearley is an open source project licensed under MIT License which is an OSI approved license.
The primary programming language of nearley is JavaScript.
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