Pybtex: BibTeX-compatible bibliography processor

Pybtex is a BibTeX-compatible bibliography processor written in Python, designed to read citation information from various formats (BibTeX, BibTeXML, YAML) and produce formatted bibliographies. It supports traditional BibTeX `.bst` styles and also allows for defining custom styles directly in Python, with output options including LaTeX, HTML, Markdown, or plain text. Currently at version 0.26.1, it is actively maintained and serves as a flexible alternative or drop-in replacement for the original BibTeX.