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/josephbartlett/fhir-response-formatter

A sleek, lightweight browser tool to format and visualize FHIR JSON responses. Paste raw data, click “Format JSON,” and instantly view a clean, color-coded, easy-to-read output. Includes error navigation, resource filtering, copy-to-clipboard, and a built-in legend for quick interpretation.

browser-tool clinical-data fhir formatter healthcare hl7 interoperability json parser visualization

Last synced: 23 Jan 2026

https://github.com/ghostwriter/syntax

[WIP]Lexical Analysis library for PHP (Tokenizer, Lexer, Parser, Generator)

generator ghostwriter lexer parser php syntax tokenizer

Last synced: 11 Jan 2026

https://github.com/cybercoder-naj/parkour

Parser Combinator Library for Kotlin

kotlin parser parser-combinators

Last synced: 06 Feb 2026

https://github.com/rorycl/letters

Email parsing for go. This fork of github.com/mnako/letters focuses on modularity and speed

email golang mime parse parser rfc2045 rfc5322

Last synced: 24 Jan 2026

https://github.com/tjenkinson/human-string-to-date-time

A library that parses a human representation of a UK English formatted date/time into an object.

date datetime human humanreadable parser time

Last synced: 24 Feb 2026

https://github.com/marcoroth/openmensa-parsers

OpenMensa.org parsers

mensa openmensa parser svgroup xml

Last synced: 22 Oct 2025

https://github.com/vxern/robots_txt

⚙️ A quality `robots.txt` ruleset parser to ensure your application follows the standard specification for the file.

complete dart documented fast parser robots robots-txt robots-txt-parser robotstxt simple tiny

Last synced: 30 Jan 2026

https://github.com/masahirompp/construct-typed-parameters

Type-safe parameter construction library. Useful for managing environment variables, aws parameter stores and more.

aws-ssm-parameter-store environment-variables parser stringifier typescript

Last synced: 31 Jan 2026

https://github.com/f-y/md-spreadsheet-parser

A robust, zero-dependency Python library for parsing, validating, and manipulating Markdown tables, including conversion from Excel to Markdown.

data-conversion excel library markdown pandas parser python spreadsheet table-parser type-safe zero-dependency

Last synced: 23 Jan 2026

https://github.com/mhauri/lotto-parser

PHP library for parsing Swiss Lotto and Euro Millions results.

euromillions parser swisslos swisslotto

Last synced: 31 Jan 2026

https://github.com/orcalinux/c-json

A lightweight, fast, and cross-platform JSON parsing library for C developers. C-JSON simplifies JSON handling in C, supporting objects, arrays, strings, numbers, booleans, and null values with minimal memory overhead.

json json-parser parser parsing scanner

Last synced: 01 Feb 2026

https://github.com/kranfix/parser_combinator

Example of a parser combinator in many languages (Rust, Dart, Go, Typescript)

bun combinator go hacktoberfest parser rust typescript

Last synced: 25 Feb 2026

https://github.com/joht/data-restructor-js

Transforms parsed JSON objects into a uniform data structure

adapter data-structures javascript json parser restructure

Last synced: 01 Feb 2026

https://github.com/jurgenbelien/parser-example

A modest example of a parser written in Nearley.js.

nearley parser

Last synced: 01 Feb 2026

https://github.com/adam-elmi/sommark

SomMark is a simple and extensible markup language designed for writing documentation and structured content.

docs documentation dsl html json json-langugae langauge mapper mapping markdown markup markup-language mdx parser transpiler

Last synced: 01 Apr 2026

https://github.com/taufik-nurrohman/query-string-parser

Convert URL’s query string into JavaScript object.

converter j-s-o-n javascript js json object parser query string u-r-l url

Last synced: 07 Feb 2026

https://github.com/omnimodloader/jvmzip

An optimized JVM compliant Zip parser

compression java library optimization optimized parser reader zip zip32

Last synced: 26 Feb 2026

https://github.com/denysvitali/ifunny

An interpreter of a custom language (funny) written in Java

compiler funny interpreter java parser tokenizer

Last synced: 19 Oct 2025

https://github.com/gulpjs/parse-node-version

Turn node's process.version into something useful.

gulp nodejs parser version

Last synced: 19 Oct 2025

https://github.com/circargs/parsnim

a parser combinator in nim

nim parser parser-combinators

Last synced: 19 Oct 2025

https://github.com/wimpyprogrammer/conditional-expression-parser

A simple web site for parsing conditional expressions using JavaScript.

bootstrap3 conditional-statements javascript parser regex

Last synced: 27 Feb 2026

https://github.com/poti1/pod-lol

Parse Pod into a list of lists (LOL)

hacktoberfest parser perl perl5 perldoc pod

Last synced: 11 Feb 2026

https://github.com/murilobsd/calamp-rs

Calamp LMDirect rust parser

calamp lmdirect networking parser protocol rust

Last synced: 11 Feb 2026

https://github.com/puripuri2100/satysfi-csv

A CSV reader and writer for SATySFi.

csv parser satsyfi

Last synced: 12 Feb 2026

https://github.com/shamazmazum/cue-parser

Simple common lisp cue parser

cuesheet parser

Last synced: 12 Feb 2026

https://github.com/stereobooster/instaparsejs

What if context-free grammars were as easy to use as regular expressions?. Clojure instaparse compiled to ESM

gll gll-parser instaparse parser parsing peg pegll

Last synced: 14 Feb 2026

https://github.com/vshaxe/haxe-hxparser

Haxe wrapper around hxparser

api haxe parser

Last synced: 14 Feb 2026

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

🧚pxi-dsv is a delimiter-separated values plugin 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: 15 Apr 2026

https://github.com/andreasbm/fireparse

An extensible markdown to html converter

extensible html markdown parse parser showdown syntax-tree

Last synced: 14 Feb 2026

https://github.com/vasilescur/ambush

Compiler for Tiger language, written in Standard ML for Duke ECE/CS 553: Compiler Construction. The compiler follows the standard flow of lexing, parsing, semantic analysis and type checking, intermediate representation, liveness analysis, and code generation.

compiler-construction compilers lexer parser sml tiger-language

Last synced: 19 Mar 2026

https://github.com/rajatt95/python_rs

Programming | Python | PyCharm | Data Types | Tuple | Dictionary | If-Else | Loops - For, While | Functions | OOPS Principles | Constructor | String - SubString, Concatenation, Split, Strip | Read & Write data into files | JSON Parsing | CSV package | Web Scrapping

constructor csv-parser data dictionary functions if-else-statements json json-parser oops parser pycharm-ide python python-programming-language read-write-file strings tuple web-scrapping

Last synced: 15 Feb 2026

https://github.com/laphilosophia/strime

Streaming projection engine — extract fields at multi-gigabit speeds with O(1) memory

data-extraction data-processing fsm high-performance json json-parser json-streaming ndjson parser projection streaming typescript zero-copy

Last synced: 15 Feb 2026

https://github.com/iambnlvn/sig-parser

A manual Recursive-descent parser for Sig(Programming language)

bunjs parser recursive-descent-parser

Last synced: 15 Feb 2026

https://github.com/savi-lang/peg

Parsing Expression Grammars for the Savi standard library.

library parser parsing peg savi standard-library

Last synced: 19 Mar 2026

https://github.com/jassielof/toonz

A Zig implementation of the TOON (Token-Oriented Object Notation) format.

ai llm parser toon toon-format zig

Last synced: 02 Mar 2026

https://github.com/sasyxk/donato

donato a new programming language developed for the master thesis for UT and Unipr.

ast cpp-programming llvm parser

Last synced: 16 Apr 2026

https://github.com/ternaus/google-docstring-parser

A Python package for parsing and validating Google-style docstrings with type hints. Converts docstrings into structured dictionaries and validates type annotations. Requires paid license for non-Albumentations Team users.

code-quality developer-tools docstring documentation google-style parser python static-analysis type-checking validation

Last synced: 16 Mar 2026

https://github.com/roma-glushko/monolog-parser

🛠Parser for your monolog records

logs monolog parser php7

Last synced: 01 Apr 2026

https://github.com/whywaita/gigani

parser of Anime page (GIGAZINE, Annict, syobocal...)

gigazine golang-application parser

Last synced: 28 Mar 2026

https://github.com/gbowne1/kicadparser

This is a KiCAD project file(s) parser and eventually will include a generator.

csharp dotnet eda generator kicad parser parser-generator project

Last synced: 16 Apr 2026

https://github.com/jgniecki/minecraftmotdparser

🐘 PHP library to parse minecraft server motd

generator mineceraft motd parser php

Last synced: 15 Oct 2025

https://github.com/mrrobinofficial/unity-parser

A friendly parsing system for Unity. This system supports a wide range of data types, and offers try-parse methods.

ncalc parse parser unity unity3d

Last synced: 17 May 2026

https://github.com/cycloctane/cyclocalc

Simple math expression evaluator written in C99. Based on Pratt Parsing.

algorithms ast c parser

Last synced: 15 Oct 2025

https://github.com/nikitasakunde/dance-website

This is dance website which contain two mongodb database.

cors css express javascript mongo mongodb mongoose nodejs nodemon parser pugjs

Last synced: 14 Mar 2026

https://gitlab.com/fumail/domainmagic

python library for email/domain dns/rbl handling

dns domain library parser python rbl

Last synced: 17 Apr 2026

https://github.com/jcwang587/geddes

A Rust XRD pattern parser with Python and Node.js bindings

nodejs parser python reader rust xrd

Last synced: 17 Apr 2026

https://github.com/leonardpepa/reverse-polish-notation

Reverse Polish notation lexer, parser and very small compiler that generates jvm assembly code. The programs just calculates the mathematical expression (+, -, * , /) and prints out the answer.

c compiler-design jvm lexer lexer-parser parser programming-languages reverse-polish-notation

Last synced: 17 Apr 2026

https://github.com/bezlant/s21_math_solver

🧮 A simple math expression evaluator built wtih Imgui. (School 42)

c calculator check djikstra-algorithm graph-visualization imgui-glfw math-solver parser rpn-calculator test-coverage

Last synced: 04 Apr 2026

https://github.com/thuongtruong1009/gouse

🫧 A modern Golang utility package delivering consistency, modularity, performance, & extras presets. Inspired by Lodash

benchmark ci docsaurus github go godev golang javascript library lodash modules nextjs package parser testing unittest utility

Last synced: 05 Apr 2026

https://github.com/hktalent/go-pjs

golang Parse and generate java Serializable objects

hacker-tools java parser serializable tools

Last synced: 05 Apr 2026

https://github.com/fisayo-dev/loan-parser

Converts loan document agreements to standard data schema integrable with loan softwares - LMA Edge Hackathon.

ai hackathon loan parser

Last synced: 19 Apr 2026

https://github.com/rcx/email-parser

A handy webapp to render raw email data.

email parser smtp webapp

Last synced: 19 Apr 2026

https://github.com/azoy/swirl

Erlang ETF Parser in Swift

erlang etf parser swift

Last synced: 22 Apr 2026

https://github.com/tree-sitter-grammars/tree-sitter-nqc

NQC grammar for tree-sitter

nqc parser tree-sitter

Last synced: 24 Apr 2026

https://github.com/bakaq/formula-parser

A basic formula parser written in Rust

parser

Last synced: 25 Apr 2026

https://github.com/andy-byers/mewjson

a tiny JSON library

c json parser

Last synced: 25 Apr 2026

https://github.com/here-be/snapdragon-is-inside

Snapdragon plugin that adds an `isInside` method to the compiler instance for checking if a node is currently inside a given node type.

ast compiler javascript node nodejs parser snapdragon snapdragon-plugin

Last synced: 26 Apr 2026

https://github.com/goodbyteco/markdown-tasks

A Markdown syntax for rich todo-items.

document markdown parser specification tasks todolist

Last synced: 26 Apr 2026

https://github.com/gnidan/solasm

Solidity assembler in development

assembler ethereum evm parser rust solasm solidity

Last synced: 28 Apr 2026

https://github.com/qwefgh90/comment-parser

The Comment Parser supports various languages based on FSM. It's written by scala and java.

comment comment-parser java language parser parsing sbt scala

Last synced: 28 Apr 2026

https://github.com/marcuwynu23/danjs

a human-readable data format for structured configs, datasets, and annotations with tables, arrays, and comments

configuration csv dan data-format javascript json notation parser structured-data toon typescript xml

Last synced: 08 Jun 2026

https://github.com/imolorhe/curlup

Parse cURL commands.

curl parser

Last synced: 29 Apr 2026

https://github.com/dxwc/vidfeed

A simple CLI tool to get youtube RSS subscription feed URL given a video, user or channel link

channel feed parser rss youtube

Last synced: 29 Apr 2026

https://github.com/thierrymarianne/experimenting-with-compilation-principles

Learning some of the principles behind compilation (inspired by bit.ly/compilers-principles)

antlr editor json parser vue vuex

Last synced: 30 Apr 2026

https://github.com/sayedrisat/bnscript

Automation-first programming language that compiles to JavaScript with a real compiler pipeline, runtime, and CLI.

automation bangla cli code-generator compiler developer-tools javascript language-design lexer parser programming-language sayed-risat semantic-analysis transpiler

Last synced: 11 Jun 2026

https://github.com/webschik/nmbr

Isomorphic JavaScript numbers formatter & parser

formatter js numbers parser shortener

Last synced: 03 May 2026

https://github.com/andreafioraldi/til-compiler

Tripel Intermediate Language Compiler - Compile an XML based assembly language to bytecode for the Tripel Virtual Machine

assembly-language bison bytecode c cmake compiler flex language-compiler libxml2 parser xml

Last synced: 03 May 2026

https://github.com/thefangbear/sat

Boolean expression parser and solver suite

c cpp parser sat solver

Last synced: 04 May 2026

https://github.com/mosifa/command-to-json

Parses any commands and converts them to JSON

command-to-json ifconfig javascript parser tojson typescript

Last synced: 05 May 2026

https://github.com/clairebookworm/quizbowl-terminal

QuizBowl Terminal Quizzer

json parser python quizbowl terminal

Last synced: 06 May 2026

https://github.com/bpetermann/node-interpreter

Typescript interpreter for monkey

interpreter jest lexer nodejs parser typescript

Last synced: 07 May 2026

https://github.com/dianavile/rgsocdvteam

Resources, Learnings, Courses, Testing, Meetings- all in one in Markdown.

designsystem docs documentation generator livingstyleguide markdown markdown-it parser styleguide

Last synced: 07 May 2026

https://github.com/eggplants/eijiro-to-sqlite

英辞郎 (English-Japanese dictionary) -> sqlite3

cli database dictionary eijiro parser python sqlite sqlite3

Last synced: 07 May 2026

https://github.com/alfex4936/ajou-blackboard

아주대학교 블랙보드(BB) 셀레니움을 이용한 예제

html parser python selenium

Last synced: 10 May 2026

https://github.com/willshiao/transcript-parser

Parses plaintext speech/debate/radio transcripts into JavaScript objects.

hacktoberfest javascript nodejs npm parse parser transcript transcript-parser

Last synced: 10 May 2026

https://github.com/glweems/css-grid-template-parser

CSS Grid Template Parser

css-grid grid parser template

Last synced: 10 May 2026

https://github.com/here-be/snapdragon-visit

visit and mapVisit methods for snapdragon nodes.

ast compiler javascript node nodejs parser snapdragon

Last synced: 11 May 2026

https://github.com/lmangani/rust-date-parser-js

RFC3339 Date to Microsecond Timestamp wasm rust module

date javascript js microsecond node nodejs parser rust

Last synced: 11 May 2026

https://github.com/yjdoc2/equation-parser-interpreter

An interpreter designed in C++ for the equation parser project.This can read the commands from a file and write output to another file.

c cpp17 interpreter parser

Last synced: 11 May 2026

https://github.com/suhanyujie/my-parser-rs

study parser in rust

parser rust-lang

Last synced: 10 Jun 2026

https://github.com/marcoradocchia/linux-meminfo

An efficient, zero-allocations /proc/meminfo parsing library for Rust.

linux meminfo memory parse parser parsing zero-allocation zero-allocations

Last synced: 14 May 2026

https://github.com/stacksjs/ts-md

Extremely performant markdown parser & compiler.

compiler markdown markdown-it marked parser

Last synced: 16 Jun 2026

https://github.com/joutvhu/expansy

An expression analyzer that allows you to define expression elements of your design.

analysis engine expression expression-parser parser

Last synced: 18 Jun 2026

https://github.com/roneetkumar/simple-lang

Simple is a programming language based on GO lang as a base language. The objective to create this language is not only to learn GO lang but also to understand the journey of idea from source code to a finished product.

compiler evaluator go go-lang interpretor lexer parser

Last synced: 19 Jun 2026

https://github.com/xianjianlf2/mini-compiler

手写 the-super-tiny-compiler:词法 / 语法 / 转换 / 代码生成(mini-* 源码学习系列,按 Git 提交历史一步步搭建)

ast compiler learning parser tokenizer typescript

Last synced: 25 Jun 2026

https://github.com/maki-daisuke/cflogparser

Parser for Amazon Web Services CloudFront Logs for Go

amazon-web-services cloudfront golang log parser

Last synced: 09 Apr 2025

https://github.com/r2dtools/goapacheconf

GoApacheConf is a Go library for parsing, modifying, and regenerating Apache configuration files. It makes it easy to work with Apache config blocks and directives programmatically in your Go applications.

apache config configuration developer-tools devops golang parser

Last synced: 11 Mar 2026

https://github.com/hirotoshioi/scrapbox

Scrapbox parser and renderer

haskell markdown parser scrapbox

Last synced: 20 May 2026