Open-source parser software
2737 open-source libraries, tools and applications tagged parser, ranked by how closely parser is their primary purpose, then by adoption and maintenance health. Each entry links to a page with sources, use cases and when to choose or avoid it.
2737 products, primary matches first, then adoption-weighted; health v2 shown.
| Product | Health v2 | Stars | Maturity |
|---|---|---|---|
| HQChart HQChart is a JavaScript/HTML5 canvas charting library for financial candlestick (K-line) and trend charts, ported from traditional Chinese … | 67 | 3414 | active |
| oils-for-unix/oils Oils is a Unix shell project providing OSH, a bash-compatible shell that runs existing scripts, and YSH, a modern shell language for users … | 76 | 3397 | active |
| Marksman Marksman is a Language Server Protocol (LSP) server for Markdown that provides code-assist features like completion, goto definition, find … | 84 | 3359 | active |
| giancarloerra/SocratiCode SocratiCode is a codebase context engine distributed as an MCP server, Claude Code plugin, and VS Code extension that indexes code, depende… | 82 | 3336 | active |
| pamburus/hl hl is a fast, high-performance CLI log viewer and processor written in Rust that converts JSON and logfmt logs into human-readable output. … | 100 | 3312 | active |
| virtualagc/virtualagc Virtual AGC is a project providing emulators for the Apollo Guidance Computer (AGC), Abort Guidance System (AGS), and related peripherals l… | 68 | 3308 | active |
| jehna/humanify A Rust CLI tool that unminifies and deobfuscates JavaScript by using LLMs (OpenAI, Anthropic, Gemini, OpenRouter, or local Ollama) to sugge… | 82 | 3288 | active |
| Automattic/juice Juice is a JavaScript library and CLI that inlines CSS stylesheets into HTML by converting CSS rules into style attributes. It is primarily… | 98 | 3284 | active |
| Pix2Text Pix2Text is an open-source Python tool that recognizes layouts, tables, math formulas (LaTeX), and text in images and converts them into Ma… | 93 | 3270 | active |
| deepdoctection deepdoctection is a Python library for Document AI that orchestrates document layout analysis, table recognition, OCR, and document/token c… | 96 | 3261 | active |
| rtcatc/Packer-Fuzzer Packer Fuzzer is a Python-based security scanner that targets websites built with JavaScript module bundlers like Webpack. It automatically… | 23 | 3250 | active |
| the-tcpdump-group/tcpdump tcpdump is a powerful command-line packet analyzer that captures and dissects network traffic using libpcap, with BPF-based filtering and s… | 77 | 3246 | active |
| Devolutions/IronRDP IronRDP is a modular Rust implementation of the Microsoft Remote Desktop Protocol (RDP), providing PDU codecs, connection/session state mac… | 95 | 3243 | active |
| ananthakumaran/paisa Paisa is a self-hosted personal finance manager that provides a web/desktop GUI on top of the ledger plain-text double-entry accounting too… | 86 | 3222 | active |
| echohive42/AI-reads-books-page-by-page A Python script that reads PDF books page by page, using AI to extract knowledge points and generate progressive summaries at configurable … | 58 | 3217 | active |
| textlint textlint is a pluggable linting tool for natural language text, similar to ESLint but for prose instead of code. It supports Markdown and p… | 96 | 3201 | active |
| s0md3v/Photon Photon is a fast Python-based web crawler designed for OSINT (open-source intelligence) tasks. It extracts URLs, emails, social media accou… | 65 | 13243 | maintenance |
| The Sleuth Kit Autopsy is a Java-based digital forensics platform providing a graphical interface to The Sleuth Kit and other open-source forensic tools f… | 79 | 3166 | active |
| NetEase/tango Tango is a code-driven low-code builder framework from NetEase that lets you develop low-code applications directly on your existing codeba… | 19 | 3135 | active |
| tlaplus/tlaplus The official TLA+ tools repository containing TLC, a model checker for TLA+ specifications, plus the SANY parser, PlusCal translator, REPL,… | 86 | 3114 | active |
| opengrep/opengrep Opengrep is an open-source static application security testing (SAST) engine forked from Semgrep under LGPL-2.1, supporting pattern-based c… | 81 | 3106 | active |
| LLMQuant/quant-mind QuantMind is an agent-native Python framework that refines raw financial information such as papers, news, and SEC filings into typed, time… | 61 | 3100 | active |
| cuelang/cue CUE is an open-source data validation language and inference engine, rooted in logic programming, that merges types and values into a singl… | 10 | 3057 | active |
| zcaceres/markdownify-mcp A Model Context Protocol (MCP) server that converts PDFs, images, audio, Office documents, and web content (including YouTube transcripts a… | 79 | 2998 | active |
| google/mangle Mangle is a deductive database programming language implemented as an embeddable Go library. It extends Datalog with aggregation, function … | 73 | 2993 | active |
| ashmind/SharpLab SharpLab is a .NET code playground (source of sharplab.io) that shows intermediate steps and results of code compilation, including decompi… | 34 | 2981 | active |
| microsoft/table-transformer Table Transformer (TATR) is a deep learning object detection model from Microsoft for detecting, recognizing, and extracting tables from un… | 10 | 2948 | active |
| linux-can/can-utils A collection of Linux user-space utilities for the SocketCAN subsystem, written in C. It includes tools to display, send, generate, record,… | 67 | 2939 | active |
| noahgorstein/jqp jqp is a terminal user interface (TUI) playground for interactively experimenting with jq queries against JSON or NDJSON input. It is built… | 50 | 2844 | active |
| kpu/kenlm KenLM is a C++ toolkit for estimating, filtering, and querying n-gram language models with modified Kneser-Ney smoothing. It is designed fo… | 34 | 2812 | stable |
| manifold-systems/manifold Manifold is a Java compiler plugin that extends the Java language at compile time with features like extension methods, properties, operato… | 77 | 2766 | active |
| mojolicious/mojo Mojolicious is a real-time web framework for Perl that supports MVC web applications, WebSockets, and non-blocking I/O with a built-in web … | 72 | 2747 | active |
| AnswerDotAI/llms-txt A proposal and Python tooling for the /llms.txt standard, a markdown file placed at a website root to give language models and agents conci… | 79 | 2650 | active |
| Hugging Face JavaScript SDK A collection of TypeScript JavaScript libraries for interacting with the Hugging Face ecosystem, including Hub repository management, unifi… | 95 | 2560 | active |
| DidierStevens/DidierStevensSuite A bundled collection of Didier Stevens' security research tools, distributed as a ZIP and GitHub repository of Python scripts and utilities… | 75 | 2546 | active |
| chatdoc-com/OCRFlux OCRFlux is a Python toolkit built on a 3B-parameter vision-language model that converts PDFs and images into clean Markdown, handling compl… | 50 | 2532 | active |
| Bistutu/GoMusic GoMusic is a web application that migrates playlists from Chinese music services (NetEase Cloud, Qishui, QQ Music) to Apple Music, YouTube … | 56 | 2476 | active |
| microsoft/PIKE-RAG PIKE-RAG is a Microsoft framework for building Retrieval-Augmented Generation systems that extract, understand, and apply specialized domai… | 10 | 2475 | active |
| atomashpolskiy/bt Bt is a full-featured BitTorrent library and client written in Java 8, supporting DHT, magnet links, peer exchange, message stream encrypti… | 59 | 2473 | active |
| mandiant/flare-ida A collection of IDA Pro plugins and IDAPython scripts from Mandiant's FLARE team for reverse engineering and malware analysis. It includes … | 10 | 2450 | active |
| tapjs Node-tap is a Test-Anything-Protocol (TAP) test framework for JavaScript and TypeScript, providing a test runner CLI, assertion library, sn… | 94 | 2426 | active |
| HAPI FHIR HAPI FHIR is a complete open-source Java implementation of the HL7 FHIR standard for healthcare data interoperability, providing APIs for b… | 99 | 2416 | stable |
| tavily-ai/tavily-mcp A Model Context Protocol (MCP) server that exposes Tavily's web search, page extraction, site mapping, and crawling tools to AI assistants … | 65 | 2415 | active |
| learnhouse/learnhouse LearnHouse is a next-generation open-source learning management system (LMS) for creating, sharing, and selling educational content. It com… | 100 | 2404 | active |
| BloopAI/bloop bloop is a fast code search engine and desktop app that lets developers search their codebase with natural language, regex, and symbol quer… | 10 | 9488 | maintenance |
| syslog-ng/syslog-ng syslog-ng is an enhanced syslog daemon that collects, parses, filters, and routes log messages from a wide range of sources including syslo… | 88 | 2377 | stable |
| amaancoderx/npxskillui SkillUI is a Node.js CLI that crawls websites, git repos, or local codebases and extracts their complete design system (colors, typography,… | 48 | 2375 | active |
| oguimbal/pg-mem pg-mem is an in-memory emulation of a PostgreSQL database written in TypeScript, usable in Node.js or the browser. It lets you run SQL quer… | 50 | 2368 | active |
| josephburnett/jd jd is a command-line utility and Go library for diffing and patching JSON and YAML values. It supports a native human-readable diff format … | 74 | 2308 | active |
| mattiasgustavsson/libs A collection of single-file, public domain (dual MIT) C/C++ libraries covering graphics app frameworks, data structures, threading, HTTP, a… | 57 | 2308 | active |
| API-Security/APIKit APIKit is a BurpSuite extension (Java plugin) that discovers, scans, and audits leaked API documentation such as GraphQL, OpenAPI/Swagger, … | 23 | 2286 | active |
| iText iText is a high-performance PDF library/SDK for Java and .NET that lets developers create, manipulate, inspect, sign, and secure PDF docume… | 95 | 2260 | stable |
| miekg/dns A complete DNS library for Go supporting all resource record types including DNSSEC, with both client (resolver) and server (nameserver) si… | 76 | 8786 | maintenance |
| e0e1-wx A Windows GUI tool (PySide6, Python 3.10+) for analyzing and penetration-testing WeChat mini-programs locally. It automates mini-program pa… | 74 | 2243 | active |
| azimuttapp/azimutt Azimutt is a full-stack database exploration tool offering a next-generation ERD that scales to large, messy real-world schemas, plus data … | 73 | 2190 | active |
| 6over3/bebop Bebop is a high-performance, typesafe binary serialization format with a schema language and code generator (bebopc) that produces optimize… | 61 | 2179 | active |
| alexhallam/tv Tidy Viewer (tv) is a cross-platform CLI pretty printer for tabular data that formats CSV, TSV, PSV, Parquet, and Feather files with column… | 47 | 2165 | active |
| drunkdream/weread-exporter A Python CLI tool that exports books from WeChat Read (微信读书) into epub, pdf, and mobi formats. It hooks into the web reader's Canvas render… | 61 | 2163 | active |
| glebm/i18n-tasks A Ruby gem that uses static analysis to find missing and unused i18n translation keys in projects using the ruby i18n gem (default in Rails… | 83 | 2158 | active |
| amll-dev/applemusic-like-lyrics A web component library that renders Apple Music (iPad)-style word-by-word lyrics with animated fluid backgrounds, offering framework-agnos… | 76 | 2157 | active |
| Ropper Ropper is a Python CLI tool that displays information about binary files (ELF, PE, Mach-O, RAW) and finds ROP/JOP gadgets to build exploit … | 73 | 2152 | active |
| EvgSkv/logica Logica is an open-source declarative logic programming language in the Datalog family that compiles to SQL. It lets users write logic-style… | 77 | 2147 | active |
| coolight7/musicxx Musicxx (拟声) is a cross-platform audio and video player supporting local files, cloud drives (Baidu, Aliyun, 115), WebDAV, and NAS media se… | 74 | 2131 | active |
| oss-review-toolkit/ort The OSS Review Toolkit (ORT) is a FOSS policy automation toolkit that analyzes project dependencies, scans licenses and copyrights, checks … | 94 | 2098 | active |
| luka1199/geo-heatmap A Python CLI script that generates an interactive geographic heatmap from Google Takeout location history data (JSON, KML, ZIP) or GPX file… | 32 | 2063 | stable |
| vmoranv/jshookmcp An MCP server exposing 600+ tools across 34 domains for JavaScript reverse engineering and security research, including browser automation,… | 72 | 2059 | active |
| donmccurdy/glTF-Transform glTF Transform is an SDK for reading, editing, and writing glTF 2.0 3D models in JavaScript and TypeScript, running on both Web and Node.js… | 76 | 1984 | active |
| forloopcodes/contextplus Context+ is an MCP server that gives AI coding agents semantic understanding of large codebases by combining RAG embeddings, Tree-sitter AS… | 53 | 1983 | active |
| RustSec RustSec is the Rust ecosystem's security advisory database plus a workspace of tooling crates, including the rustsec client library, cargo-… | 97 | 1956 | stable |
| intruder-io/autoswagger Autoswagger is a Python command-line tool that discovers Swagger/OpenAPI specifications, parses their endpoints, and automatically tests th… | 31 | 1956 | active |
| petertodd/python-bitcoinlib A Python 3 library providing a low-level, ground-up interface to Bitcoin data structures and protocol internals, including transactions, sc… | 24 | 1949 | active |
| liuhuanyong/QASystemOnMedicalKG A tutorial-style Python project that builds a disease-centered medical knowledge graph (44k entities, 300k relations) in Neo4j from scraped… | 32 | 7398 | maintenance |
| c2g-dev/city2graph City2Graph is a Python library that converts geospatial data such as buildings, streets, GTFS transit feeds, and origin-destination matrice… | 84 | 1940 | active |
| nsonaniya2010/SubDomainizer SubDomainizer is a Python CLI tool that discovers hidden subdomains and secrets in webpages, external JavaScript files, GitHub, and local f… | 65 | 1893 | active |
| airbus-seclab/bincat BinCAT is a static binary code analysis toolkit that performs value analysis, taint analysis, type reconstruction, and use-after-free/doubl… | 23 | 1876 | active |
| Freedium-cfd/web Freedium is a self-hostable web application that renders Medium.com articles behind the paywall for free, serving as the codebase behind fr… | 73 | 1872 | active |
| clj-kondo/clj-kondo clj-kondo is a static analyzer and linter for Clojure, ClojureScript, and EDN code that detects errors and style issues without executing t… | 91 | 1861 | active |
| probcomp/Gen.jl Gen.jl is a general-purpose probabilistic programming system embedded in Julia that lets users write generative models as probabilistic pro… | 58 | 1851 | active |
| ThorVG ThorVG is a lightweight, production-ready C++ vector graphics engine for rendering SVG, Lottie animations, and vector scenes across embedde… | 97 | 1849 | stable |
| lhartikk/ArnoldC ArnoldC is an esoteric programming language whose keywords are Arnold Schwarzenegger movie one-liners, implemented in Scala. It ships as a … | 32 | 6888 | maintenance |
| 1N3/BlackWidow BlackWidow is a Python-based web application spider that crawls a target site to collect URLs, dynamic parameters, subdomains, email addres… | 54 | 1824 | active |
| OpenSCAP OpenSCAP is a NIST-certified open-source toolkit providing both a C library and the 'oscap' command-line tool for parsing, validating, edit… | 83 | 1822 | stable |
| githubXiaowangzi/NP-Manager NP-Manager is an Android application for APK, DEX, JAR, Smali, PDF, and media file manipulation. It provides reverse-engineering features s… | 75 | 1818 | active |
| arabold/docs-mcp-server A self-hosted MCP server that indexes documentation from websites, GitHub, npm, PyPI, and local files so AI coding assistants can query up-… | 82 | 1786 | active |
| GoSecure/pyrdp PyRDP is a Python Remote Desktop Protocol (RDP) Monster-in-the-Middle (MITM) tool and library. It intercepts RDP connections to capture cre… | 56 | 1786 | active |
| sile-typesetter/sile SILE is a typesetting system that produces beautiful printed documents as PDF output, conceptually similar to TeX but written from scratch … | 76 | 1784 | active |
| mex-memory/mex mex is a TypeScript CLI that gives AI coding agents persistent, structured project memory: it maps the codebase into a deterministic code g… | 83 | 1775 | active |
| brainflow-dev/brainflow BrainFlow is a C/C++ core library with bindings for nine languages that provides a uniform SDK for acquiring, parsing, and analyzing data f… | 94 | 1769 | active |
| bytedance/appshark AppShark is a static taint analysis platform written in Kotlin that scans Android APKs for security vulnerabilities and compliance issues. … | 66 | 1753 | active |
| tabby-sec/tabby Tabby is a Java static code analysis tool built on the Soot framework that converts JAR/WAR/CLASS files into a code property graph stored i… | 47 | 1661 | active |
| kotaro-kinoshita/yomitoku YomiToku is an AI-powered document image analysis engine specialized for Japanese, providing full-text OCR, layout analysis, table structur… | 88 | 1649 | active |
| OpenDota OpenDota is an open-source Dota 2 data platform that provides a REST API and web UI for match and player statistics. It ingests data from V… | 76 | 1632 | active |
| enoch3712/ExtractThinker ExtractThinker is a Python document intelligence library that uses LLMs to extract and classify structured data from documents like PDFs, i… | 71 | 1601 | active |
| figma/code-connect Code Connect is a Figma tool that links design system components in code with their counterparts in Figma, so Dev Mode shows true-to-produc… | 89 | 1590 | active |
| Tencent/tgfx TGFX (Tencent Graphics) is a lightweight C++ 2D graphics library built for modern GPUs, providing high-performance rendering of text, image… | 70 | 1590 | active |
| ts-safeql/safeql SafeQL is an ESLint plugin that validates raw SQL queries against a live PostgreSQL schema and automatically infers TypeScript types for qu… | 82 | 1569 | active |
| AeonLucid/AndroidNativeEmu A Python library that partially emulates Android native (.so) libraries on a host machine using the Unicorn CPU emulator. It emulates the J… | 23 | 1555 | active |
| the3deer/android-3D-model-viewer An open-source Android application for loading, inspecting, and visualizing 3D models, built on a custom OpenGL ES 2.0/3.0 engine. It suppo… | 76 | 1552 | active |
| zohaibbashir/Google-Maps-Scrapper A Python CLI script built on Playwright that scrapes Google Maps listings to extract business details such as name, address, website, phone… | 61 | 1552 | active |
| ThakeeNathees/pocketlang Pocketlang is a lightweight, fast, embeddable scripting language written in C with a Ruby-flavored Python-like syntax, including its own by… | 56 | 1548 | active |