Learn how to design large-scale systems. Prep for the system design interview. Includes Anki flashcards.

120+ interactive Python coding interview challenges (algorithms and data structures). Includes Anki flashcards.

newspaper3k is a news, full-text, and article metadata extraction in Python 3. Advanced docs:

The most widely used Python to C compiler

A modern Python package and dependency manager supporting the latest PEP standards

PDF to Markdown with vision models

A library to generate LaTeX expression from Python code.

Python SQL Parser and Transpiler

the portable Python dataframe library

The SQL IDE for Your Terminal.

A Python library to use infix notation in Python

한국어 자연어처리를 위한 파이썬 라이브러리입니다. 단어 추출/ 토크나이저 / 품사판별/ 전처리의 기능을 제공합니다.

Logic Programming in Python

A lightweight task engine for building stateful AI agents that prioritizes simplicity and flexibility.

Multiple dispatch

Easy and elegant parser combinators for Python. With awesome docs.

Python API for Kiwi

Sketch anything using characters

Pythonic Stream-like manipulation of iterables.

Whoosh is a fast, featureful full-text indexing and searching library implemented in pure Python.

A query language for exploring knowledge graphs.

The easiest way to parse text in Python

A general-purpose library designed to guide developers in expressing their code as a flow.

A pure Python implementation of parser combinators with asymptotically best performance and support for context-sensitive or ambiguous grammars.

An open etymology dataset created using Wiktionary data. Contains 3.8M entries, 1.8M terms, 2900 languages, and 31 unique relationship types.

Draw binary tree in plain text