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Top Rated Corporate Tax Software with Open source - Page 3

Last updated: November 2026

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93 software options

Drake Tax logo

Returns management software

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Drake Tax is a tax management software designed to help small to midsize accounting businesses manage returns for clients via a unified portal. It includes shortcut keys and macros, which enables tax professionals to streamline data entry operations.

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itamlink logo
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Software to optimize property tax management at scale

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itamlink manages every aspect of the property tax lifecycle, from property tax assessments, appeals, payments, and forecasts. The software saves all your property tax data and records in a secure, web-based solution, trusted by the world’s most respected companies.

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TaxBandits logo
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The #1 IRS Authorized E-file Provider You Can Trust

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TaxBandits is designed for small to mid-sized businesses, accounting firms, payroll providers, and large enterprise organizations that need a reliable and IRS-compliant solution.

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BelastZen logo
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Tax filing platform for Dutch businesses

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BelastZen is an accounting platform for Dutch freelancers, SMBs, and accountants. It offers RGS-compliant double-entry bookkeeping, automatic XBRL/iXBRL file generation, and tax submission via Digipoort with PKIoverheid certification. Features include invoicing with VAT calculation, real-time financial reporting, and GDPR-compliant EU data storage with AES encryption.

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getW9 logo
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Web-based corporate tax system for handling W-9 forms

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getW9 is an online system that automates and streamlines the IRS Form W-9 collection and management processes.

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Mosey logo
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Web-based system for state compliance

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Mosey is a web-based solution that enables organizations to manage corporate compliance, employment, and tax requirements in multiple states.

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TaxProof logo
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Platform for national and international tax accounting

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TaxProof is a cloud-based software for managing corporate tax administration. The system is suitable for both national and multinational companies. The software provides a user-friendly interface and includes built-in extensive help documentation. An audit trail logs all operations.

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Loctax logo
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A better way to manage tax risks and compliance, globally

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Loctax is a compliance, risk, and governance platform purpose-built for in-house tax teams.

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Tax Software for IRS Form 5472 Filing logo
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Cloud-based IRS Form 5472 filing for foreign LLCs

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Cloud-based IRS Form 5472 compliance tool for foreign-owned single-member U.S.

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Gen XBRL logo
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Best XBRL Compliance Software

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Gen XBRL is a simple compliance software designed to help individuals and businesses. It helps to create and produce financial reports in a specific XBRL format.

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Plio logo
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Plio — AI-Powered UK R&D Tax Relief Preparation Software

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Plio helps UK businesses prepare their own R&D tax relief claims — organise R&D projects, document and qualifying cost allocations.

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Transaction Cloud logo
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Tax Compliance, Subscription, and Payment Platform

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Transaction Cloud is a platform for payments, sales tax / VAT /GST compliance (automated collection, filing), subscription management, recurring billing, and fraud protection for SaaS.

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Gen TDS Software logo
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TDS and TCS Return Filing Software

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GenTDS is an all-in-one TDS and TCS return-filing software that simplifies tax return compliance. It streamlines tax calculations, return preparation, and data management while ensuring accuracy and faster processing in compliance with the latest Income Tax Department (ITD) regulations.

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PORTAX logo
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Windows-based portfolio management and planning software

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PORTAX is a Windows-based portfolio management and planning software, that assists investors with after-tax portfolio optimization, asset allocation and modelling of different tax and ownership structures.

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VATBox logo
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Blue dot VATBox automates VAT reclaim and compliance

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Blue Dot VATBox automates VAT compliance and reclaim by identifying and calculating eligible and qualified VAT spending along with countries' tax laws and regulations and company policy. VATBox enables businesses to reclaim VAT while ensuring full compliance with tax and financial authorities.

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SmartTaxCalc — India Income Tax Planner logo
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Free India income tax calculator — Old vs New regime, 38 too

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Free India Income Tax Calculator for FY 2026-27. Compare Old vs New regime, Section 87A rebate, HRA, 80C/80D, NRI and DTAA tools. Runs in your browser.

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W2/1099/ACA eFile Service logo
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Year-end data filing solution

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eFiling W2s/1099s/ACA(1095s) is as simple as 1-2-3. Upload your data, review and edit onscreen, and click eFile.

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KoinX logo
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Cloud-based tax practice management tool for investors.

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KoinX is a cloud-based tax practice management solution, which helps small to large businesses calculate and handle crypto taxes. The platform provides various features such as portfolio management, reporting, data import/export, APIs, and investment tracking. It also facilitates third-party integration with various cryptocurrency applications such as Alpaca, BitForex, Coinbase, Fantom, and more.

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Exactera Tax Provision logo
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Turn Tax Data into Business Intelligence

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Exactera Tax Provision is a streamlined and user-friendly software solution that automates tax provision process. It offers flexible data imports, exposed formula exports for visibility into calculations, analytical insights, audit-ready reports, and robust dashboards. Exactera Tax Provision transforms the ASC 740 tax provision process, helping users save time, eliminate errors, and close early.

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Chronoscope logo
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The premier tool for R&D-centric time categorization.

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Chronoscope is a time categorization tool for software teams, that seamlessly integrates with existing tools and helps users streamline teams' R&D claims.

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TaxCPC logo
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Cloud-based TDS & TCS return filing for enterprises

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Cloud-based TDS and TCS return filing software for corporates, banks, PSUs, and CA firms, with bulk import, PAN validation, and.

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CCH Integrator logo
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Tax compliance and reporting software

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CCH Integrator is a tax compliance and reporting platform designed to cater to the needs of individuals and multinational teams. A cloud-based solution, it offers a streamlined approach to managing the complexities of tax compliance and reporting across various entities and jurisdictions. With CCH Integrator, you can have increased control over your tax processes while reducing the associated risks. This platform enables you to focus on higher-value tasks and strategic initiatives.

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Taxable Employee Benefits logo
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TEB tracks, reports, & calculates taxable employee benefits

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Taxable Employee Benefits enables companies to stay in compliance with the latest taxable benefits regulations by delivering the required level of checks, controls, and calculations of consumer-style spending subject to taxable employee/fringe benefits.

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Spectrum Cloud Enterprise logo
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Tax platform for multi-entity enterprises

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Spectrum Cloud is an enterprise compliance software platform that manages GST, TDS, and ITR filings across multiple business entitie...

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Bloomberg Tax Provision logo
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The most powerful ASC740 software on the market.

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Bloomberg Tax Provision provides the most powerful ASC740 software on the market by helping to automate complex calculations for accurate provisions that always tie out.

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