bir

An open-source, rules-based engine for accurate and consistent Philippine tax calculations. Work in progress.

A Home Assistant integration that retrieves your waste collection schedule (mixed, plastic, paper, etc.).

Biblioteka .NET do pobierania danych firm po NIP, REGON lub KRS bez klucza API, zwracająca dane w formacie JSON

BIR tax compliance SaaS for Filipino freelancers and solo professionals

Philippine BIR income tax computation for Python: the graduated tables as data, and one function over them.

Secure WordPress shortcode for querying Poland's GUS BIR register by NIP, KRS, or REGON.

Philippine BIR Alphanumeric Tax Codes (ATC) Table

Open-source cloud accounting platform for SMBs and multi-branch businesses — double-entry ledger, invoicing, and BIR-compliant tax handling for the Philippines.

Laravel client for the Polish GUS BIR/REGON API

BIR tax utilities for the Philippines — VAT (12% / ₱3M threshold), percentage tax (3% standing, with historical 1% CREATE-era rate), BIR form reference. JS + PHP.

Composer-installable PHP mirror of kon2raya24/ph-bir. Read-only — file issues upstream.

Filipino payroll calculators for JS & PHP — SSS, PhilHealth, Pag-IBIG contributions + 13th month + take-home. Tables versioned by effective year.

Python-based Information Retrieval system implementing multiple retrieval models (VSM, LSI, BM25, BIR, Language Models) with evaluation metrics on the MEDLINE dataset.