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/techquery/commanderjsx

Command-line Arguments Parser with JSX support

arguments command-line jsx parameter parser typescript

Last synced: 29 Sep 2025

https://github.com/alxpez/parsist

text parser, cleaner and formatter

array cleaner formatter list parser raw regexp string

Last synced: 18 Jan 2026

https://github.com/basemax/calculator-flex-bison-c

A tiny calculator project with lexer/parser based on Flex, Bison with pure c programming language.

bison c flex lexer parser yacc yacc-example yacc-lex

Last synced: 03 Apr 2025

https://github.com/apfohl/jzon

JZON - A Lemon based JSON parser for C

c json lemon parser

Last synced: 06 Aug 2025

https://github.com/mokiat/go-data-front

A Go library for reading Wavefront 3D model resources (OBJ, MTL).

decoder go parser wavefront

Last synced: 17 Jun 2026

https://github.com/luismedel/snasl-parser

A parser for the Nessus Attack Scripting Language (nasl files)

nasl nasl-script nessus openvas parser

Last synced: 29 Jul 2025

https://github.com/lukaswrz/readarg

A small, C99, single-header, zero-allocation, dependency-free, public domain argument parsing library

argument-parsing c cli command-line header-only library parser single-header zero-allocation

Last synced: 12 Jan 2026

https://github.com/amekusa/cs-parser

Context-sensitive parser framework

dsl javascript language npm parser

Last synced: 11 Apr 2026

https://github.com/maxpatiiuk/leto

This is a two part project that allows to create a lexer and a parser (with syntax directed translation) for an arbitrary LL(1) programming language.

compiler interpreter language parser programming-language

Last synced: 28 Jun 2025

https://github.com/ysoftware/language

An excercise in developing a programming language

compiler lexer parser programming-language-development type-checker

Last synced: 11 Oct 2025

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/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/julesguesnon/nom-span

📦 Wrap your nom input into a span to get line, column and byte offset

nom nom-span parser rust span

Last synced: 11 Nov 2025

https://github.com/fabiang/dateparser

Date parsing library supporting the full format RFC3339

date dateparser datetime parser php rfc3339

Last synced: 14 Mar 2025

https://github.com/dysnomia-studio/dmarc-parser

A simple job that query, parse and save to database dmarc aggregate reports

dashboard database dmarc dmarc-parser parser

Last synced: 05 Aug 2025

https://github.com/ivanbgd/ilsh

`ilsh` - A POSIX-Compliant Shell (CLI) Implementation in Rust

finite-state-machine fsm ilsh parser posix posix-compliant posix-sh posix-shell rust rust-lang state-machine

Last synced: 17 Jun 2026

https://github.com/hrehfeld/python-org-mode

Towards a complete org-mode parser

emacs json org-mode parser python roundtrip

Last synced: 12 Apr 2026

https://github.com/minicloudsky/minerva

Minerva is a SQL type detection tool based on TiDB parser, which automatically identifies SQL types such as creating tables, modifying table fields, adding indexes, deleting indexes, and modifying tables. It can be used in scenarios such as SQL risk assessment.

go golang mysql mysql-database parser sql tidb

Last synced: 02 Jan 2026

https://github.com/kylepls/jrefactor

API for writing custom refactoring tools such as obfuscators, optimizers, and formatters.

antlr4 java java8 parser refactoring

Last synced: 10 Jun 2025

https://github.com/loicmarie/node-uci-parser

Parser for UCI protocol written in node.js, to help to easily create UCI modules.

chess module parser uci

Last synced: 13 Mar 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/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/microcodebase/microconfig

go micro config parser

config go golang parser properties

Last synced: 14 Jan 2026

https://github.com/risto-stevcev/css-parser-combinator

:smile_cat: A CSS parser and its combinators

combinator css parser

Last synced: 18 Apr 2026

https://github.com/jason89521/rusvelte

Svelte compiler written in Rust

compiler parser svelte

Last synced: 11 Oct 2025

https://github.com/alschmut/code2semantics

Parse software-code for semantic identifier names

antlr4 identifier-splitting linguistic-analysis parser python semantic-parser word2vec

Last synced: 06 Nov 2025

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/jerowork/class-dependencies-parser

Parse all dependencies (FQN) used in a class (e.g. class, trait, interface, enum).

dependencies fcqn fqn parser reflection

Last synced: 01 Feb 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/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/azoy/swirl

Erlang ETF Parser in Swift

erlang etf parser swift

Last synced: 22 Apr 2026

https://github.com/alexandrelamarre/golang-ray-tracing-renderer

A native (no external libraries) golang 3D ray tracing renderer, that implements Ray intersection via the Phong-Reflection Model, Recursive Shape grouping with AABB optimizations and Constructive Solid Geometry, augmented with recursively defined Patterns, Perlin/Simplex noise algorihthms, and an efficient convex-hull/half-edge Delaunay Triangulation implementation

3d-graphics bounding-box constructive-solid-geometry delaunay-triangulation fractal golang lindenmayer-systems linear linear-algebra native parser perlin-noise phong-reflection-model pointlight quadratic quartic raytracing simplex-noise

Last synced: 16 May 2026

https://github.com/ghostbuster91/pgn-parser

Parser for chess games stored as PGN using standard arithmetic notation

chess parser pgn

Last synced: 19 Jan 2026

https://github.com/thyeem/s

A generalized parser combinator super-readable

haskell-library parser parser-combinators

Last synced: 23 Jul 2025

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/spencertorres/fgd

An NPM package for manipulating FGD (Forge Game Data) files.

converter fgd goldsrc hammer nodejs npm parser source valve

Last synced: 04 May 2026

https://github.com/durudex/go-polylang

Implementation of the Polylang language in Go.

go parser polylang

Last synced: 14 Jan 2026

https://github.com/decodelabs/chirp

Tweet tools for PHP

parser php tweet

Last synced: 16 Mar 2026

https://github.com/j1nxie/hoshizora

an ecosystem of osu!-related binaries and libraries

osu parser

Last synced: 23 Mar 2025

https://github.com/tpltnt/go-bsm

a parser for Sun BSM audit logs

audit freebsd parser

Last synced: 16 Mar 2025

https://github.com/deeeelin/ig_message_analyzer

IG Message Analyzer , analyzes IG inbox messages , evaluates relationship : )

analytics analyze analyzer analyzers beutifulsoup bs4 entertainment html5 instagram object-oriented parse parser side-project tabulate

Last synced: 24 Jul 2025

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/akrck02/markdown-docs

Markdown parser for project documentation.

docs markdown parser

Last synced: 04 Feb 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/leandro-benedet-garcia/generic_lexer

A generic pattern-based Lexer/tokenizer tool.

generic lexer parser tokenizer

Last synced: 08 Mar 2026

https://github.com/sematre/mathparser

A simple equation parser for Java

java library mathematics parser

Last synced: 29 Jun 2026

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/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

https://github.com/rodion-arr/google-index

A simple CLI tool which will count yours site pages in Google index

cli google-indexing googlesearch parser

Last synced: 03 Feb 2026

https://github.com/purarue/tree-sitter-rifleconf

rifle (ranger filemanager file opener) grammar for tree-sitter

parser ranger ranger-fm tree-sitter tree-sitter-parser

Last synced: 28 Jan 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/makevoid/simple-articles-format

A file format designed for authors - inspired by YAML, write multiple articles in a single file! - made in 2012

blog formats markdown parser ruby text-parsers

Last synced: 29 Apr 2026

https://github.com/chanakayaa/nessus_file_parser

This script parses Nessus XML scan reports to extract vulnerability details, including CVE/CWE IDs, severity levels, and other pertinent information. It then generates two HTML reports: one summarizing vulnerabilities in a table format and another providing detailed findings for each vulnerability.

nessus nessus-files nessus-parser nessus-report nessus-scanner parser tenable

Last synced: 10 Jul 2026

https://github.com/reitzig/texlogparser

Eases the many pains around digesting logs from (La)TeX engines.

latex log-files logs parser tex

Last synced: 18 Sep 2025

https://github.com/kawamurakazushi/tle-parser

TLE (Two-line elements) Parser written in Rust.

parser tle

Last synced: 26 Jul 2025

https://github.com/hailpam/pyfiql

A Python implementation of the Feed Item Query Language with flexible bindings.

ast fiql language parser query visitor

Last synced: 05 Feb 2026

https://github.com/pelenium/math-parser

Math parser of expressions in Polish notaiton (LISP like)

expression-evaluator expression-parser fsharp math mathematics maths parser polish-notation

Last synced: 31 Jan 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/leops/vmfparser-rs

Parse VMF files, in Rust

parser rust source-engine vmf

Last synced: 07 Apr 2025

https://github.com/zaincheung/cdk

Generator and parser for redemption codes

cdkey encrypted generator golang parser shortcode

Last synced: 05 Nov 2025

https://github.com/t1st3/muxml

:saxophone: Streaming XML parser and formatter based on sax

formatter parser stream xml

Last synced: 12 Feb 2026

https://github.com/explooosion/hideout-parse

Parse Path Of Exile.

hideout parse parser pathofexile

Last synced: 11 Apr 2026

https://github.com/ferhatgec/inif

inif, ini file parser in c++

cpp cpp17 file header-only ini parser

Last synced: 27 Aug 2025

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/rsore/clargs

A modern, type-safe, header-only C++20 command-line argument parser with minimal runtime overhead and full compile-time validation

command-line-arg-processing command-line-arguments command-line-arguments-parser command-line-parser parser

Last synced: 25 May 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/strwdr/skner-lang

simple programming language written in C++

compiler cpp interpreter language lexer parser

Last synced: 14 Mar 2025

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/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/warlock/2utf8

Node.js - Tranform string text to UTF-8

decode encoding http parser request string utf8

Last synced: 11 Jun 2025

https://github.com/keddad/kresp

Simple parser for RESP protocol

parser redis

Last synced: 23 Aug 2025

https://github.com/realtristan/simpl

Programming Language made from scratch with Typescript

interpreter parser typescript

Last synced: 06 Jul 2026

https://github.com/basemax/string2cstring

A tiny program to convert a file contents to C string with supporting multi-lines...

c c-string cgi cgi-fcgi cgi-script cgi-server file-read parser parsers php replace replace-text replacement string string-c string-formatter string-parse strings tool tools

Last synced: 18 May 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/sauci/pydbc

An AST generator for dbc format

ast automotive dbc parser

Last synced: 03 Jul 2025

https://github.com/o3co/go.hocon

Full Lightbend HOCON spec-compliant parser and config library for Go

config configuration go golang hocon lightbend parser

Last synced: 14 Jun 2026

https://github.com/elliot-100/simple_date_parser

Derive one or more valid datetime.date object(s) from an input string representing a single date, allowing for ambiguity.

datetime parser python

Last synced: 01 Apr 2025

https://github.com/godtamit/assembler

A modular general 2-pass assembler written in Python.

assembler assembly instruction-set-architecture instructions modular parser

Last synced: 19 May 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/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/je-es/syntax

Unified wrapper that streamlines syntax creation with integrated lexer-parser coordination, LSP support, and enhanced linting capabilities.

ast je-es lexer lint parser syntax tool

Last synced: 05 Sep 2025

https://github.com/sug0/showgone

A Smogon Pokémon format parser written in Go

format go golang golang-library parser pokemon showdown smogon

Last synced: 07 Apr 2025