An open API service indexing awesome lists of open source software.

Parser

A parser turns its input (often text in form of a file) into a more advantageous representation (usually a certain data structure in memory) to perform a specific task.

Common examples include:

https://github.com/cityssm/node-avanti-time-data-parser

Parses the time data Excel report from Avanti into a JavaScript object.

avanti parser payroll timesheets

Last synced: 27 Oct 2025

https://github.com/andrewlader/go-tendo

Go application used to walk a Go project and count the legitimate packages, structs, methods and functions.

ast counting-objects go golang methods packages parser source-code structs

Last synced: 14 Jan 2026

https://github.com/doeixd/combi-parse

Type-safe, friendly parser combinator library for TypeScript featuring composable parsers, left-recursion support, detailed error reporting, and Unicode character classes.

combinators grammar parser parser-combinators typescript typescript-library

Last synced: 10 Oct 2025

https://github.com/alexprut/sca-lang

Project a suitable abstract syntax similar to Scala language, and write in Haskell a compiler for the new engineered language.

compiler engineered-language haskell parser

Last synced: 28 Jun 2025

https://github.com/raws/harby

Tcl-like syntax parser

grammar grammar-parser parser ruby tcl

Last synced: 10 Oct 2025

https://github.com/leon-richardt/python-repetita-parser

Python parser for the REPETITA data format

parser python repetita traffic-engineering

Last synced: 10 Oct 2025

https://github.com/lussierc/boscopl

A fun & simple programming language.

parser programming-language python scanner

Last synced: 11 Oct 2025

https://github.com/tom-weatherhead/thaw-parser

Programming language parsers, including LL(1), LR(0), LR(1), SLR(1), and LALR(1).

lalr-parser ll1-parser lr1-parser parser programming-languages slr-parser typescript

Last synced: 23 May 2026

https://github.com/irvifa/compiler-final-project

Code written for my final project in Compiler course at Universitas of Indonesia

compiler compilers parser

Last synced: 12 Oct 2025

https://github.com/kris701/initoolssharp

Some simple tools to work with INI files

ini parser

Last synced: 14 Mar 2025

https://github.com/ejurgensen/bison-boilerplate

Boilerplate .l, .y, .am and .ac for multiple Bison/flex parsers-lexers in a C project

autotools bison flex parser

Last synced: 03 Jan 2026

https://github.com/orchestron-orchestrator/acton-yang

YANG parser and library working with YANG schemas and YANG-modeled data with XML & JSON serializers

hacktoberfest json netconf parser xml yang

Last synced: 19 Jan 2026

https://github.com/vendethiel/nephrite.pl

Because I can. Can I ?

jade language parser perl6

Last synced: 19 May 2026

https://github.com/gofunky/cssauron

build a matching function in CSS for any nested object structure without eval

css js library match parser selector selector-factory selectors-match stream style-selectors transform traverse

Last synced: 21 Jan 2026

https://github.com/kojobailey/nucc-cpp-library

A C++ library for serialising (reading) and deserialising (writing) CyberConnect2 NUCC data, useful for projects that interact with XFBIN files.

binary cc2 cplusplus cpp cpp17 cpp20 cpp23 cyberconnect2 deserialiser deserializer files lib library nucc parser reader serialiser serializer writer xfbin

Last synced: 22 Mar 2025

https://github.com/assayyaad/haikal-markdown

أدوات هيكلية صارمة لملفات Markdown

formatter makdown parser strict validator

Last synced: 25 Oct 2025

https://github.com/yord/shargs-example-sync-sql

shargs-example-sync-sql is a sample application of shargs 🦈.

command-line parser shargs

Last synced: 15 Oct 2025

https://github.com/niklasrosenstein/python-hcl2-ast

A HCL2 parser based on python-hcl2 that produces an Abstract Syntax Tree.

ast hcl parser python

Last synced: 15 Oct 2025

https://github.com/lunastev/wson-rust

WSON data serialization parser

data parser serialization

Last synced: 07 Apr 2025

https://github.com/io7m-com/boxwood

Boxwood EPUB parser

epub java parser

Last synced: 22 Mar 2025

https://github.com/aspicho/epub-parser

Simple Python ePUB parser with GUI

epub json parser python qt6 utility

Last synced: 07 Mar 2026

https://github.com/seddryck/chrononuensis

Chrononuensis is a library for parsing complex time periods like year-month, year-quarter, month-week, and year-week. Effortlessly decode and validate non-standard formats, handle fiscal calendars, ordinal days, and custom cycles. Lightweight, flexible, and precise, it structures time data with ease.

date-parser date-structure parser

Last synced: 16 Oct 2025

https://github.com/xdevelnet/tcsv2tssb

tcsv to tssb converter

binary-data converter csv parser

Last synced: 22 Mar 2025

https://github.com/alfonsog-dev/jsonparser

A simple json parser

command-line java parser

Last synced: 05 Apr 2025

https://github.com/Simpson-Computer-Technologies-Research/simplc_parser

Parser for my programming language, simp lang (simpl) made in C

c parser programming-language simpl

Last synced: 14 May 2025

https://github.com/leontm-dev/spiky-cli

This is the github repository for the spiky-cli. A command line interface designed to transpile the spiky.js code into executable python code that is runnable on the SPIKE Prime Robots.

cli javascript kids-programming lego leontm-dev llps npm npm-package parser python spike-prime spiky transpile transpiler typescript

Last synced: 23 Jan 2026

https://github.com/valdezfomar/tree-sitter-xresources

Xresources grammar for tree-sitter

parser tree-sitter xresources

Last synced: 23 Oct 2025

https://github.com/mmore/full_name_splitter

Full Name Splitter is a library to split a full name simply into first and last name.

elixir erlang lexer parser splitter

Last synced: 23 Jan 2026

https://github.com/chehanr/nic_parser

A python package to parse Sri Lankan national identity card numbers.

identity national nic nic-parser parser python python-library python3 sri-lanka

Last synced: 24 Oct 2025

https://github.com/airrnot1106/litargs

The easiest CLI command line parser.

argument-parser arguments cli command command-line parser

Last synced: 02 Jan 2026

https://github.com/swaggerexpert/json-pointer

RCF 6901 implementation of JSON Pointer

compiler evaluator parser representers rfc6901 validator

Last synced: 23 Jan 2026

https://github.com/weezy20/better_peekable

A lightweight iterator adaptor to allow peeking N items ahead using a VecDeque.

iterator lexer parser peek rust tokenizer

Last synced: 18 Feb 2026

https://github.com/hanzopgp/calcantlr

Compiler for an invented programming language using ANTLR and a custom stack machine.

antlr compiler language-theory lexer parser stack-machine university

Last synced: 21 May 2026

https://github.com/codersguild/simplr

A simple programming language for program verification using Z3, ANTLR4 & Parser Combinators written using Scala

antrl4 java parser python-script scala z3

Last synced: 15 Apr 2026

https://github.com/devtheorem/php-handlebars-parser

Parse Handlebars templates to a spec-compliant AST with PHP.

handlebars parser php

Last synced: 25 Feb 2026

https://github.com/a631807682/ddltransform

parse ddl and transform to gorm model code

ddl gorm mysql orm parser postgresql

Last synced: 25 Feb 2026

https://github.com/carlosrs14/exportation-module

A python-based tool designed to parse a JSON file and generate a PlantUML diagram.

json parser plant python uml-diagram

Last synced: 15 Jul 2025

https://github.com/realstandal/gplay-soundiiz-parser

Google Play Music Playlist to Soundiiz parser written as a CLI using oclif.

cli google-play google-play-music nodejs oclif parser soundiiz

Last synced: 21 May 2026

https://github.com/serpo-dev/dowinsta

Download Instagram Videos and Images in high resolution. Chrome Extension / Downloader for Posts, Stories, Highlits, Reels, TVs.

browser-extension chrome-extension download downloader extension image instagram instagram-api instagram-bot parser scraper video

Last synced: 15 Apr 2026

https://github.com/thoughtsunificator/bbcode-parser

Tiny BBCode JavaScript implementation

bbcode bbcode-parser parser

Last synced: 01 Feb 2026

https://github.com/neo-ciber94/prexel-rs

A math expression evaluator

math math-parser-library parser rust

Last synced: 23 Jun 2026

https://github.com/sergiosgc/sieve_parser

A parser for Sieve (RFC 5228)

parser php sieve sieve-parsing

Last synced: 30 Mar 2025

https://github.com/kerrishotts/ispish

A simple lisp/logo-like language

lisp-like logo-like parser programming-language tokenizer

Last synced: 23 Jul 2025

https://github.com/abhinavrobinson/html-parser-cheerio-ts

Bun app that uses cheerio to extract tree from html structure

bun html javascript parser tree typescript

Last synced: 16 Apr 2026

https://github.com/shaishab316/custom-json-stringify

A custom JSON stringify implementation with special support for double-precision float formatting and pretty printing.

double json parser precision stringify typescript

Last synced: 28 Feb 2026

https://github.com/kassane/ada-d

D bindings for Ada URL parser | https://ada-url.com/clients/d/

bindings d dlang parser url url-parser whatwg-url

Last synced: 02 Jan 2026

https://github.com/nverno/tree-sitter-jack

Jack (nand2tetris) language grammar for tree-sitter

grammar jack nand2tetris parser tree-sitter

Last synced: 14 Feb 2026

https://github.com/buxogabriel/gabelang

A programming language written in rust

interpreter lexer parser programming-language rust wasm

Last synced: 14 Feb 2026

https://github.com/maxludden/rich-color-ext

A add-on parser so `rich.color.Color` can parse 3-digit-hex and CSS named colors.

color parser rich

Last synced: 28 Feb 2026

https://github.com/namorniradnug/simpleparser

Simple expressions parser.

parser

Last synced: 09 May 2026

https://github.com/erykjj/traverture

OBSIDIAN PLUGIN: parse, convert, preview, and insert Bible scripture references

bible-reference-parser bible-references obsidian-plugin parser scripture-references scriptures

Last synced: 25 Jun 2026

https://github.com/psidh/Ganges

EARLY STAGE: An upcoming programming language inspired from Mahabharata and Epics of Hinduism. Arjun is a programming language that is designed to be simple and to introduce a culture of bharat throught it. It is a high-level language and interpretted language.

cpp go golang interpreter language lexer llvm low-level parser programming-language rust

Last synced: 22 Mar 2026

https://github.com/rejeb/netcdf-spark-parser

Scala/Spark Netcdf for reading Netcdf files

netcdf netcdf-java parser scala spark spark-connector spark-datasource

Last synced: 16 Apr 2026

https://github.com/null93/expression-compiler

Simple language compiler that is driven by mathematical expressions and transpiled into c++ code

compiler cpp elc expression-language lexer parser

Last synced: 26 Mar 2026

https://github.com/xuri/excelize-cs

Excelize is a C# port of Go Excelize library that allow you to write to and read from XLAM / XLSM / XLSX / XLTM / XLTX files.

agent ai chart csharp data-analysis data-science data-visualization excel excelize formula microsft office ooxml parser spreadsheet xlsm xlsx

Last synced: 03 Mar 2026

https://github.com/mathjslab/mathjslab

MathJSLab - An interpreter with language syntax like MATLAB/Octave. ISBN 978-65-00-82338-7

antlr antlr4 educational grammar interpreter lexer math mathematics mathjslab mathml matlab octave parser

Last synced: 27 Mar 2026

https://github.com/julian-eggers/texin

With Texin you have to implement only one reader to process different spreadsheet-files (XLSX, CSV, TXT)

csv excel java parser reader spreadsheet text

Last synced: 20 Jan 2026

https://github.com/trialanderrororg/parse-text-cite

Small tool that parses a string of text containing APA style in text citations, e.g.

apa bibliography citations parser references

Last synced: 01 Apr 2026

https://github.com/cstayyab/markdown-to-unicode

A simple library to convert Markdown syntax to Unicode characters.

convert formatting markdown parser text unicode

Last synced: 04 Mar 2026

https://github.com/benknoble/smlnj-parser-style

An SML parser and style-checker built on the SML-NJ compiler

linter parser sml sml-nj smlnj stylelint

Last synced: 19 Mar 2026

https://github.com/bohdaq/url-search-params

`url-search-params` provides ability to create search params (query string) from HashMap and vice versa.

parser query rust url

Last synced: 02 Apr 2026

https://github.com/0x51-dev/upeg

Universal Parser Expression Grammar

abnf parser peg

Last synced: 02 Apr 2026

https://github.com/decaded/csv-chaos-tamer

A Node.js script that processes multiple differently formatted CSV files into clean, normalized JSON, built specifically to prepare data for celestial.decaded.dev.

celestial csv json parser

Last synced: 17 Apr 2026

https://github.com/momiji-rs/sasso

A pure-Rust SCSS to CSS compiler (a dart-sass alternative). Zero dependencies, wasm-friendly, lib + CLI.

compiler css css-preprocessor dart-sass embeddable parser rust rust-lang sass scss transpiler wasm webassembly

Last synced: 26 Jun 2026

https://github.com/jelhamm/deterministic-finite-automaton-dfa

"implementation of a Deterministic Finite Automaton (DFA). Includes classes for defining and processing DFAs, with parsers for JSON, Text File, Dictionary and String formats."

compiler defaultdict deterministic-finite-automaton dfa dfa-simulator json jupyter-notebook parser python

Last synced: 10 May 2026

https://github.com/lggruspe/genbu

Create composable CLIs using shell args parser combinators and type hints

cli combinators command-line hints infer parser python type

Last synced: 05 Apr 2026

https://github.com/eownerdead/minicc

[ABANDONED] Subset C to AMD64 Compiler

c codeberg compiler language lexer parser programming-language rust rust-lang

Last synced: 18 Apr 2026

https://github.com/boolangery/lua-dbus-type-parse

DBus type signature parsing

dbus lua parser

Last synced: 04 Jun 2026

https://github.com/manio/cisco-logger

Utility for parsing and coloring cisco RFC 3164 syslog messages

cisco parser rust syslog-messages systemd

Last synced: 04 Jun 2026

https://github.com/gorango/x-feed-parser

Universal feed parser for any format: RSS/Atom, JSON Feed, and HTML.

feed html json parser rss xml

Last synced: 20 Apr 2026

https://github.com/timsueberkrueb/plug

Plug any lexer into any parser (proof of concept/idea)

lexer parser rust shim support tokenizer

Last synced: 04 Jun 2026

https://github.com/kevindasilvas/sparser-invaders

Json parser CLI, using compilers principles and techniques that translates to js objects and .yml files

cli cli-app compilers haskell js json parser yml

Last synced: 20 Apr 2026

https://github.com/barrettotte/html-json-parser

Converts basic HTML to JSON using a custom lexer and parser.

c-sharp dotnet html-parser html5 json json-parser lexer parser

Last synced: 20 Apr 2026

https://github.com/unisay/haskell-xdr-parser

RFC 4506 - XDR: External Data Representation Parser

parser xdr

Last synced: 21 Apr 2026

https://github.com/soenneker/soenneker.html.parser

A utility library for HTML parsing related operations

csharp dotnet html htmlparserutil parse parser parsing util web webpage

Last synced: 06 Jun 2026

https://github.com/d12/graphqlvalidator

A Ruby lib for validating a GraphQL query given the schema.

graphql parser ruby

Last synced: 24 Apr 2026

https://github.com/yord/pxi-pxi

🧚pxi-pxi is a sample .pxi module for pxi (pixie), the small, fast, and magical command-line data processor.

csv data-processing deserializer dsv json marshaller parser pixie pxi serializer ssv tsv

Last synced: 24 Apr 2026

https://github.com/slince/expression-language

🚀 一个富有语言表现力的表达式引擎的 Java 实现

expression expression-engine expression-evaluator expression-language lexer parser

Last synced: 25 Apr 2026

https://github.com/mail2nisam/doc-parser

Find and replace text in a word document file. Also we can generate new files from templates

composer document parser php replace-in-files template word

Last synced: 27 Apr 2026

https://github.com/alienfruit/alienfruit.otml

AlienFruit.Otml is an object tree model language.

c-sharp core dotnet-core dotnet-framework dotnet-standard otml parser serialize

Last synced: 28 Apr 2026

https://github.com/moorara/compiler

Playing with Compilers ...

bison compiler cpp flex golang goyacc lex lexer parser yacc

Last synced: 29 Apr 2026

https://github.com/alexgustafsson/mjavac

A parser, vm and compiler for MiniJava for the course DV1585 at BTH

bth bytecode compiler parser parser-library virtual-machine

Last synced: 29 Apr 2026

https://github.com/yord/klp-json

A JSON plugin for klp (Kelpie), the small, fast, and magical command-line data processor.

csv data deserializer dsv json kelpie klp marshaller parser serializer ssv tsv

Last synced: 29 Apr 2026

https://github.com/sty00a4-code/luna

A light weight scripting language for quick and easy coding

compiler interpreter language lexer lua parser scripting scripting-language

Last synced: 30 Apr 2026

https://github.com/rcrsr/rill

Embeddable workflow language for LLM orchestration

ai-agents dsl embeddable interpreter llm parser pipe scripting-language typescript workflow

Last synced: 01 May 2026

https://github.com/fardjad/node-parse-my-command

Parse argv with Commander.js without executing the command

argv commander commanderjs nodejs parser

Last synced: 01 May 2026

https://github.com/tpastor/p-lang

lexer/parser/interpreter for new custom script language

compiler interpreter language lexer parser typescript

Last synced: 01 May 2026

https://github.com/akinoccc/html-parser-react

The parser for html transform to react dom.

html html-parser-react parser react

Last synced: 08 Jun 2026

https://github.com/erkanyildiz/eyxml2nsdictionary

A block based NSXMLParser wrapper for converting XML to NSDictionary on background thread

background-thread dictionary ios macos nsxmlparser nsxmlparser-wrapper objective-c parser tvos watchos xml

Last synced: 02 May 2026

https://github.com/wizard04wsu/tree-sitter-regex-js

Tree-sitter grammar for JavaScript regular expressions (without the Unicode flag)

atom grammar javascript npm parser regex regexp regular-expressions syntax syntax-tree tree-sitter

Last synced: 20 Apr 2026