bir

Offline eBIRForms for Mac, Windows and Linux: all 84 BIR tax forms, offline, savefile-compatible with BIR's app. Unofficial.

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

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

BIR tax compliance SaaS for Filipino freelancers and solo professionals

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

Chinese-language Philippine legal information & compliance assistant skill (not legal advice)

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

Kotlin Multiplatform client for the Philippine BIR EIS e-invoice API: CAS JSON model, validator, JWS/RSA/AES/HMAC, and a mock EIS for tests.

Philippine BIR Alphanumeric Tax Codes (ATC) Table

MCP server for PhilForms: find, fill and verify official Philippine government forms (BIR, SSS, PhilHealth, Pag-IBIG, CSC…)

Laravel client for the Polish GUS BIR/REGON API

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

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

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.

Philippine payroll at 2026 rates: SSS, PhilHealth and Pag-IBIG contributions, BIR withholding tax, net pay, employer cost and 13th month. No dependencies.

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