Open source. Open possibilities.

Clean, well-documented Python implementations of common algorithms and data structures for learning and reference.

ANTLR v4 is a parser generator that reads grammars and produces parsers, parse trees, and listener/visitor interfaces for structured text or binary files. It supports ten target languages including Java, C#, Python3, JavaScript, TypeScript, Go, C++, Swift, Dart, and PHP.

CytoScnPy is a fast, memory‑efficient Python static analyzer written in Rust. It detects dead code, security issues (including taint analysis), and code quality metrics such as complexity, Halstead, maintainability, and nesting depth, with support for major web frameworks.

Arrow is a Python library that simplifies creation, manipulation, formatting, and conversion of dates, times, and timestamps with timezone awareness and human-friendly API.

Loguru simplifies Python logging with zero boilerplate, colorful output, file rotation, structured logging, and thread safety. Ideal for scripts and libraries.

Comprehensive guide covering vast tech areas, helping professionals and students gain knowledge and resolve doubts for tech careers.

High-performance geospatial imagery I/O library supporting NITF, GeoTIFF, JPEG 2000, DTED. Rust core with Python bindings, cloud-native tile access via Zarr, and simple APIs for reading/writing imagery.

Lintro is an MIT-licensed command-line tool that brings many linters, formatters, type checkers and security scanners together under one interface, with consistent reports, auto-fixing, Docker images and optional AI-assisted review using your own API key.

Local-first toolkit for shader generation, review, validation, and export to Shadertoy, WebGL, LÖVE 2D, and video workflows. Supports AI-assisted drafting, license filtering, render preflight checks, and web UI with live preview.

Wagtail is an open source content management system built on Django, offering a fast authoring interface, flexible StreamField content, a content API for headless sites, and integrated search.

Job Agent is an autonomous job search automation tool that discovers openings across LinkedIn, Indeed, Glassdoor, and other platforms. It uses AI to score matches against your profile, generates tailored resumes and cover letters, and auto-applies to high-confidence positions. Includes a web dashboard, Telegram/Discord bots, and support for external ATS systems like Greenhouse and Lever.

An asynchronous Python client for Stockholm's Open Data Platform API. It currently retrieves disabled-parking locations (about 2045) with address, district, coordinates and validity dates, requires an API key, and is structured so other datasets from the same platform can be added.

A cloud-based, passwordless facial recognition authentication system with AI-powered liveness detection, encrypted biometric storage, admin dashboard, and full Firebase integration.

LangExtract is a Python library from Google that uses LLMs to extract structured information from unstructured text, grounding every extraction to its exact source location and generating interactive HTML visualizations.

Nuitka is a Python compiler that translates Python code into C, producing standalone executables or extension modules. Compatible with Python 2.6-2.7 and 3.4-3.14, it works across Linux, macOS, and Windows. Supports multiple compilation modes including standalone distribution.

HermesMade provides six CLI tools addressing common AI user pain points: censorship risk analysis, model quality monitoring, API cost optimization, local LLM deployment, code inspection, and task cost estimation.

fastapi-faults is an MIT-licensed Python package for FastAPI that defines typed RFC 9457 Problem Details from domain exceptions, reuses one immutable Fault definition for runtime responses and OpenAPI documentation, and supports feature-local registries, typed extension fields, and built-in framework error normalization.

Pelican is a Python-based static site generator that turns Markdown, reStructuredText or HTML files into a complete static website via a simple command-line tool, with themes, feeds, multi-language publishing and a plugin ecosystem.

A code beautifier for JavaScript, CSS, and HTML that reformats and re-indents code with extensive configuration options. Available as a CLI tool, Node.js library, Python package, and web library.

PySimpleGUI simplifies GUI development in Python by wrapping tkinter, Qt, WxPython, and Remi into an intuitive API. Ideal for beginners and experts, it enables rapid creation of desktop and web interfaces with minimal code.