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/shamazmazum/cue-parser

Simple common lisp cue parser

cuesheet parser

Last synced: 12 Feb 2026

https://github.com/giorgiogtelian/luna

this is my little project: a new programming language named after my dog

cpp csharp java language parser programming-language programming-languages

Last synced: 13 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/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/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/excoffierleonard/parser

REST API service in Rust that takes in any file and returns its parsed content.

api-rest parser rust

Last synced: 01 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/tree-sitter-grammars/tree-sitter-move

Move grammar for tree-sitter

move-language parser tree-sitter

Last synced: 02 Apr 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/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/danman113/nginx-manager

Node.js module for parsing and managing nginx config files.

nginx node-js parser

Last synced: 18 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/andy-byers/mewjson

a tiny JSON library

c json parser

Last synced: 25 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/tree-sitter-grammars/tree-sitter-uxntal

Uxntal grammar for tree-sitter

parser tree-sitter uxntal

Last synced: 01 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/forwardemail/python-arf

Node.js wrapper around the Python package arf, which is a processor for Abuse Reporting Format (ARF) messages.

abuse arf bulk email format formatting javascript json message messages node parse parser parsing python read report reporting

Last synced: 09 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/suhanyujie/my-parser-rs

study parser in rust

parser rust-lang

Last synced: 10 Jun 2026

https://github.com/tiw302/cjsonx

High-performance C11 JSON parser with a 16-byte Flat-DOM, SIMD acceleration

avx2 c c11 embedded header-only high-performance json json-parser memory-efficient neon parser simd wasm webassembly

Last synced: 12 Jun 2026

https://github.com/YGGverse/pulsarss

RSS Aggregator for Gemini Protocol

aggregator cli crawler daemon feed gemini gemini-protocol gemtext parser rss rust

Last synced: 15 Jun 2026

https://github.com/erickrus/sketch_measure

Sketch measure parser

parser python sketch sketch-measure

Last synced: 20 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/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/here-be/snapdragon-bracket

Plugin that adds a `.captureSet()` method to snapdragon, for matching and capturing substrings that have an `open` and `close`, like braces, brackets, etc

ast brackets capture compiler javascript node nodejs parser plugin regex snapdragon snapdragon-plugin

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/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/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/stacksjs/ts-svg

Pure-TypeScript SVG parser, rasterizer, and PNG encoder.

optimizer parser svg typescript

Last synced: 16 Jun 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/skarllot/azure-keyvault-reference

Configuration provider implementation that decorates configuration supporting Azure Key Vault references

azure configuration keyvault parser provider secret

Last synced: 07 May 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/alfarih31/nb-go-parser

Noob Go Parser (nb-go-parser) is a tools to parse primitive types in Go

go golang parser primitive-types

Last synced: 25 Jun 2026

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

QuizBowl Terminal Quizzer

json parser python quizbowl terminal

Last synced: 06 May 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/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/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/webschik/nmbr

Isomorphic JavaScript numbers formatter & parser

formatter js numbers parser shortener

Last synced: 03 May 2026

https://github.com/passcod/vue-sfc-parser

A limited parser for Vue Single File Components

parser single-file-component vue

Last synced: 03 May 2026

https://github.com/chicode/lisa

A Lisp dialect designed for codingworkshops

elm lisp lisp-dialect parser

Last synced: 22 Jun 2026

https://github.com/gabryon99/mucomp-lang

μcomp-lang is a didactic language implemented for Language, Compilers and Interpreters course at UniPi.

compilers languages lexer llvm menhir ocaml ocamllex parser programming

Last synced: 03 May 2026

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

A basic formula parser written in Rust

parser

Last synced: 25 Apr 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/kotleni-archive/cs2-eventsgrabber

Kotlin library for grabbing cs2 events from console logs. (Start game with -condebug param)

console counter-strike cs2 csgo grabber kotlin logs parser valve

Last synced: 10 Jun 2026

https://github.com/dev-vivekkumarverma/hl7v2.5-parser

This repository contains a Python-based parser for HL7v2.5 medical record files, capable of converting these files into JSON format. This tool has been tested against the Redox engine, demonstrating superior performance in various scenarios.

hl7v2 hl7v2-message parser python3 v2

Last synced: 11 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/lpraat/inbq

A library for parsing BigQuery queries and extracting schema-aware, column-level lineage.

bigquery data-lineage parser sql

Last synced: 26 Apr 2026

https://github.com/rootslab/auntie

Auntie, my dear ultra-fast module for untying/splitting/counting a stream of data by a chosen separator sequence.

boyer-moore count-lines csv csv-parser csv-stream nodejs parser pattern-search split-data splitter streaming-parser tsv

Last synced: 26 Apr 2026

https://github.com/luke-beep/ason

Azrael's Simple Object Notation.

deserializer json language parser serializer unparser

Last synced: 21 Apr 2026

https://github.com/nestorrente/true-json

Respectful JSON serialization & deserialization for JavaScript

converter javascript json parser serialization type typed typescript

Last synced: 09 May 2026

https://github.com/kierandrewett/idl

Mozilla WebIDL/IDL to TypeScript definitions.

definitions idl lexer parser types typescript webidl

Last synced: 10 Jun 2026

https://github.com/wulechuan/wulechuan-typescript-vue2-official-sfc-parser

此为吴乐川的《针对 Vuejs 第 2 版单文件部件的拆分器》。本工具之代码系由吴乐川手工提取自 Vue `v2.6.11` 之官方源代码后整理而得。其功用是将一个 .vue 文件之内容全文拆分成一套结构化的数据,即一个 JavaScript 对象。该结构化的数据包含 `<template>` 、 `<script>` 、 `<style>` 等标签之内容、属性等。

parser single-file-component single-filed-component tear-apart teardown vue vue-parser vue-sfc vue2 vue2-sfc

Last synced: 08 May 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/gnidan/solasm

Solidity assembler in development

assembler ethereum evm parser rust solasm solidity

Last synced: 28 Apr 2026

https://github.com/joutvhu/date-parser

Utility to parse String to Date according to a target class, and the pattern strings. And format Date to String based on a pattern string.

date parser time type-class

Last synced: 19 Jun 2026

https://github.com/1ay1/vibe

VIBE - A human-friendly configuration format with minimal syntax and fast parsing. No YAML nightmares, no JSON comma catastrophes - just smooth, readable config 🌊

c c11 config-files configuration configuration-management data-serialization json json-alternative parser vibe yaml-alternative

Last synced: 28 Jan 2026

https://github.com/jason89521/rusvelte

Svelte compiler written in Rust

compiler parser svelte

Last synced: 11 Oct 2025

https://github.com/xxczaki/parsify-plugin-covid19

Parsify plugin, that adds COVID 19-related variables 🦠

confirmed coronavirus covid19 data deaths fun math parser parsify parsify-plugin plugin variable variables

Last synced: 13 Mar 2026

https://github.com/lhns/scala-edifact

An Edifact parser library written in scala

edifact lightweight parser scala

Last synced: 01 Mar 2026

https://github.com/rog3rsm1th/kaitai-rs

Kaitai Struct implementation in pure Rust (still a WIP)

kaitai parser rust

Last synced: 18 Oct 2025

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/terotests/numbot

A configurable parser for text based logs

date-fns parser typescript

Last synced: 18 Apr 2025

https://github.com/8dcc/sl

Simple Lisp interpreter

evaluator interpreter lisp lisp-interpreter parser simple

Last synced: 24 Apr 2025

https://github.com/cschladetsch/fifth

A forth-like language written in Java that supports Continuations.

astwalker continuations forth java language lexer parser

Last synced: 21 Jun 2025

https://github.com/christian-2003/lispinterpreter

An interpreter for somewhat adapted Lisp source code. I have worked on this program for a school project.

abstract-syntax-tree abstractsyntaxtree interpreter java lexer lisp parser parsetree programming-language source-code tokenizer

Last synced: 30 Mar 2025

https://github.com/circargs/parsnim

a parser combinator in nim

nim parser parser-combinators

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/aeyoll/sukurappa

Watch for changes on a webpage and do anything with it!

notification parser rust

Last synced: 21 Feb 2026

https://github.com/biosustain/genomediff-python

GenomeDiff (*.gd) file parser for Python

breseq genomediff genomics parser

Last synced: 12 Apr 2025

https://github.com/krasjet/mint

A C library to work with music intervals, (tonal) pitches, and transpositions

c music-theory parser

Last synced: 24 Jul 2025

https://github.com/aidenellis/bookmarkparser

A Python API to go through your browser Bookmarks file DATA.

aidenellis bookmarks brave-extension browser chrome-extension parser python

Last synced: 14 Apr 2026

https://github.com/solo-steven/ecma-toolkit

A toy parser for ECMAScript.

ast ecmascript learning-by-doing parser

Last synced: 09 Mar 2025

https://github.com/auronandace/const_irc_message_parser

A 0 dependency, no_std, const-only parser for the IRC message protocol.

irc irc-protocol parser rust-lang

Last synced: 09 Oct 2025

https://github.com/matthewandretaylor/xml-to-pydict

Parse xml to python dictionaries

dictionary parser python3 xml

Last synced: 31 Jul 2025

https://github.com/basemax/another-one-draft-in-c

Just a attempt to implement a lexer in pure C without a lexer generator.

c lexer parser

Last synced: 19 Aug 2025

https://github.com/master-hax/lil-json

lil rust crate to serialize & deserialize JavaScript Object Notation (JSON) - #[no_std] compatible

embedded heapless json nostd nostdlib parser rust serialization

Last synced: 30 Aug 2025

https://github.com/jerryfzhang/removelinebreaks

This is a simple python program to help you remove all line breaks in a selected text file.

beautify minify parser python

Last synced: 16 May 2025

https://github.com/osmoscraft/feed-parser

Parse RSS/RDF/Atom XML into JSON Feed in browser or node.js environment

atom feed isomorphic jsonfeed parser rdf rss

Last synced: 28 May 2026

https://github.com/ivangabriele/from-ndjson

Convert ndjson stringified data into JSON-object arrays.

convert json ndjson parse parser

Last synced: 15 Mar 2025

https://github.com/florian3k/balthazar-lang

Simple, object-oriented, statically typed programming language and VM implementation.

bytecode compiler language parser rust scala scala3

Last synced: 28 Apr 2026

https://github.com/tmanderson/pc

P(arser)C(ombinator) - a minimal zero-dependency parser combinator framework enabling intuitive and modular parser development

framework functional minimal parser parser-combinator parser-combinators parser-framework parser-generator parser-library parsercombinator parsing simple

Last synced: 11 Apr 2026