Dev tools · alternatives · 2026

24 alternatives to Eacc - A new manner to write lexers/parsers in Python

Minimalist but flexible Lexer/Parser tool in Python. - iogf/eacc

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. Eacc - A new manner to write lexers/parsers in Python launched in 2021; newer entries below may have overtaken it.

1. 1
   (Eacc) PLY Lex-Yacc alternative in Python▲5

   Minimalist but flexible Lexer/Parser tool in Python. - iogf/eacc

   2020 · github.com · its alternatives →

2. 2
   A simple, highly commented, rootkit which attacks GCC and Python▲94

   2014 · github.com · its alternatives →

3. 3AL
   a lexer, parser, interpreter and web runtime (np, a 5-weekend project)▲122

   2013 · np-lang.org · its alternatives →

4. 4
   Lambda-8cc – An x86 C compiler written in untyped lambda calculus▲249

   x86 C compiler written in untyped lambda calculus. Contribute to woodrush/lambda-8cc development by creating an account on GitHub.

   2022 · github.com · its alternatives →

5. 5
   Using functions to construct Regex in Python▲105

   Python to Regex. Regex to Python. The yRegex for humans. - iogf/crocs

   2017 · github.com · its alternatives →

6. 6
   Xcc700: Self-hosting mini C compiler for ESP32 (Xtensa) in 700 lines▲154

   Repo: https://github.com/valdanylchuk/xcc700 Hi Everyone! I just wrote my first compiler! - single pass, recursive descent, direct emission - generates REL ELF binaries, runnable using ESP-IDF elf_loader - very basic features only, just enough for self-hosting - treats the Xtensa CPU as a stack machine for simplicity, no register allocation / window usage - compilable on Mac, probably also Linux, can cross-compile for esp32 there - wrote for fun / cyberdeck project Sample output from esp32: xcc700.elf xcc700.c -o /d/cc.elf [ xcc700 ] BUILD COMPLETED >…

   Dec 2025 · github.com · its alternatives →

7. 7
   A Python with Hindley-Milner-like type annotations, compiling to C▲134

   a python-like language with hindley-milner-like type system, which is compiled to c - alehander92/Airtight

   2015 · github.com · its alternatives →

8. 8CV
   CFR[]: Very minimal drawing language with 5 commands: C, F, R, [, ]▲176

   2023 · susam.net · its alternatives →

9. 9
   PyCParser, C parser and interpreter in Python▲112

   C parser and interpreter written in Python with automatic ctypes interface generation - PyCParser/README.md at master · albertz/PyCParser

   2019 · github.com · its alternatives →

10. 10
    Python Source Code Refactoring Toolkit via AST▲110

    AST-based fragmental source code refactoring toolkit for Python - isidentical/refactor

    2021 · github.com · its alternatives →

11. 11
    Python decorator that enables arbitrarily-deep tail/non-tail recursion▲119

    Contribute to tylerhou/fiber development by creating an account on GitHub.

    2021 · github.com · its alternatives →

12. 12
    Using Parsing Expression Grammars to rewrite source code▲63

    An example of PEG usage. Contribute to sebcat/move-literals development by creating an account on GitHub.

    2016 · github.com · its alternatives →

13. 13
    A design-by-contract Python package in ~100 lines▲58

    Greetings! A 2.5 weekends project to teach myself newer Python features (>= 3.10). Conditions are written as Lambda expressions that annotate parameters and return types, and coexist with type annotations. Symbols to share values between conditions are also supported to a limited extend.

    2022 · github.com · its alternatives →

14. 14
    SpaCy – Build tomorrow's language technology products with Python▲93

    spaCy is a free open-source library for Natural Language Processing in Python. It features NER, POS tagging, dependency parsing, word vectors and more.

    2015 · spacy.io · its alternatives →

15. 15
    E-- – A language you dial between English and Python▲29

    Contribute to frmoded/e-- development by creating an account on GitHub.

    Jul 2026 · github.com · its alternatives →

16. 16
    minigrad – a minimal, educational autograd library (~100 loc in Python)▲5

    A minimal implementation of autograd (in pure Python) 🍰 - kennysong/minigrad

    2020 · github.com · its alternatives →

17. 17
    Crocs – Write regex using python code▲17

    Python to Regex. Regex to Python. The yRegex for humans. - iogf/crocs

    2018 · github.com · its alternatives →

18. 18AC
    A Chrome extension to help clarify confusing Python documentation▲6

    2013 · platipy.com · its alternatives →

19. 19
    A toy interpreter for a minimalistic imperative language in 1.3k LoC▲17

    A hackable and extensible lexer, parser and interpreter for a minimalistic, imperative, C-like language. - bbu/simple-interpreter

    2015 · github.com · its alternatives →

20. 20
    Minimal, modern embedded V8 for Python▲30

    PyMiniRacer is a V8 bridge in Python. Contribute to sqreen/PyMiniRacer development by creating an account on GitHub.

    2016 · github.com · its alternatives →

21. 21
    Natural Language Earley Parser Algorithm in Python▲14

    2017 · github.com · its alternatives →

22. 22IC
    Inline C in Python▲14

    2015 · quasiquotes.readthedocs.org · its alternatives →

23. 23
    val – An arbitrary precision calculator language▲34

    Wrote this to learn more about the `chumsky` parser combinator library, rustyline, and the `ariadne` error reporting crate. Such a nice DX combo for writing new languages. Still a work in progress, but I thought I'd share :)

    2025 · github.com · its alternatives →

24. 24
    Local LLM code-generation with Gemma 4 e2B via JSON AST to Clojure▲22

    JSON AST > Clojure. Contribute to quadracollision/llmisp development by creating an account on GitHub.

    May 2026 · github.com · its alternatives →

Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →