Step 2 of 4 · ProjectsBy jurisdiction

37 open source tax projects for India.

Every project on the list for India, grouped by kind. Global tools have a page of their own. Entries without a warning come first in each group; the labels mark what to check.

37 projects31 maintained9 on the map3 jurisdictions + globalFacts checked 6 Oct 2026

Browse these by tax area

Income tax Corporate tax Benefits VAT & indirect Cross-cutting

Tax engines

1 project

Rules-as-code that compute liabilities, returns and reforms.

OpenFisca IndiaEarly OpenFisca model of India's tax and benefit system.Tax engineIN

Calculators

9 projects

Small tools that compute one tax for one country.

Income-Tax-Interest-Calculator (aisumitb)Browser calculator for Indian income tax interest under sections 234A, 234B and 234C.CalculatorINFor individual taxpayersLicence unknown

nepal-knitwear-sourcing-toolsRules-of-origin checker, Nepal-to-India duty calculator and duty dataset for knitwear importers.CalculatorNP · IN

TaxGyaanIndian tax calculators, a GST invoice generator and EMI and SIP tools, as a React web app.CalculatorINFor individual taxpayersLicence unknown

TaxlyCompares India's old and new income tax regimes and finds unused deductions for salaried people, FY 2025-26.CalculatorINFor individual taxpayersLicence unknown

timahiSplits capital gains and dividends into India's five Schedule CG periods, with totals for each period.CalculatorINFor individual taxpayersLicence unknown

ADVANCE-TAX-INTEREST-CALCULATORJavaScript calculator for interest payable on Indian advance tax shortfalls.CalculatorINInactive since 2025For individual taxpayersLicence unknown

incometax_calculatorPHP web page that computes Indian income tax.CalculatorINInactive since 2022For individual taxpayersLicence unknown

my-next-filingBrowser app for Indian freelancers: income tax estimate under presumptive rules and a dated filing plan.CalculatorINDemoFor individual taxpayers

Project House Calc WebBrowser calculator for income from house property under Indian income tax law, ported from an Android app.CalculatorINInactive since 2020For individual taxpayers

Agent skills

10 projects

Packaged tax expertise an AI agent can follow, step by cited step.

AutoITRAgent skill that prepares Indian income tax returns (ITR-1 to ITR-4) and helps file them on the portal.Agent skillINFor individual taxpayers

ca-agentClaude skill that prepares Indian income tax returns for AY 2026-27 and picks the right ITR form.Agent skillINFor individual taxpayers

claude-trade-skillsAgent skills for Indian export compliance: ICEGATE, LUT, shipping bill errors, EORI and Incoterms.Agent skillIN

income-tax-portal-skillAgent skill that fills in Indian income tax returns on the e-filing portal and stops before submission.Agent skillINFor individual taxpayers

india-itr-filing-skillsTwo Claude skills for filing Indian ITR-1 (salary) and ITR-3 (self-employed, trading) returns.Agent skillINFor individual taxpayersLicence unknown

india-itr-portal-mapField-level map of India's income tax e-filing portal for AI assistants, with an agent instruction file.Agent skillINFor individual taxpayers

india-itr-skillsClaude Code skills for Indian ITR-1, ITR-2 and ITR-4 filing, with AIS and TIS reconciliation.Agent skillINFor individual taxpayers

itr-filing-claude-skillClaude Code skill that reconciles Form 16, AIS, 26AS and broker statements for an Indian ITR-2.Agent skillINFor individual taxpayersLicence unknown

itr-prep-skillClaude Code skill that prepares Indian ITR-1 to ITR-4 returns from Form 16, AIS and broker statements.Agent skillINFor individual taxpayers

itr-walaTerminal tool for Indian income tax returns: an AI reads documents, a tested Python engine does the maths.Agent skillINFor individual taxpayers

MCP

2 projects

Open connectors and protocols between agents and legislation, case law and ledgers.

itr-agentMCP server for Indian income tax filing: local computation, regime comparison and document parsing.MCPINFor individual taxpayers

LR Labs MCP connectorMCP client for a hosted engine that screens Indian transfer pricing safe harbour, thresholds and range.MCPIN · USNeeds a paid service

Plugins

1 project

Bundles of skills, tools and agents, installable in one go.

claude-for-ca: transfer pricingClaude Code plugins for Indian CA firms; the transfer pricing plugin covers Form 3CEB and Rule 10D studies.PluginINLicence unknown

APIs

2 projects

Validation, rates, filings and registries you can call directly.

HSN-Code-PackageZero-dependency HSN and SAC code lookup and India GST toolkit, on npm as hsn-code-package.APIIN

QWED-TaxDeterministic check, built on the Z3 solver, that verifies AI-generated tax decisions before they run.APIUS · IN

Automations

10 projects

Reusable workflows for provisions, reconciliations and compliance runs.

india-complianceERPNext app for Indian tax compliance, including GST.AutomationIN

india-itr-toolkitLocal scripts that turn Indian income tax portal documents into a draft computation and return JSON.AutomationINFor individual taxpayers

TP1-InterCompany-Pricing-PolicyFlask API with RAG over OECD and Indian transfer pricing documents that drafts a seven-section pricing policy.AutomationIN · GlobalLicence unknown

Invoice Data ExtractorExtracts invoice fields, including SGST and CGST, from images with OCR and a local LLM.AutomationINInactive since 2025Demo

NetraTaxGraph neural network prototype that scores GST invoice fraud risk and shell-company networks.AutomationINDemoLicence unknown

Simplify-TaxAI agents built on CrewAI and Gemini that read bank statements and compare India's old and new tax regimes.AutomationINInactive since 2025DemoNeeds a paid serviceFor individual taxpayers

TaxAIReact and FastAPI app for Indian tax planning with regime comparison, document OCR and AI chat.AutomationINDemoFor individual taxpayersLicence unknown

TaxAssistGemini agent on Google Cloud that prepares Indian ITR-1 and ITR-2 returns from documents in Google Drive.AutomationINDemoNeeds a paid serviceFor individual taxpayers

TaxIQChat assistant for Indian income tax planning in FY 2025-26 that compares regimes and checks deductions.AutomationINNeeds a paid serviceFor individual taxpayersLicence unknown

tp-agent (India Local File)Python workflow for an Indian Local File: ingests case files and builds a cited functional analysis (phase 1).AutomationINDemoLicence unknown

Legal datasets

2 projects

Statute, case law and guidance your agents can cite.

Income Tax Act IndiaSections of India's Income Tax Act as structured data with titles, text, subsections and keywords.Legal datasetIN

India_Tax_FAQsQuestion-and-answer pairs on Indian income tax rules and procedures, in English, as a CSV file.Legal datasetINInactive since 2023For individual taxpayersLicence unknown

Labels mark what to check before you rely on an entry: inactive or archived code, demos, paid services and unclear licences. Only maintained projects for companies and tax authorities appear on the map. Search and filter the whole list.

Missing a project? Add it to the list.

Submit a project

Next · Step 3 of 4The gapsThe activities with no open project yet, and the partly covered ones, with what to build on.