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ATS Assessor Treasurer Software alternatives
ATS Assessor Treasurer Software focuses on county property tax work: it calculates and collects taxes while managing assessments, levies, real and personal property, new construction, destroyed property, bankruptcies, foreclosures, and LIDs. It also supports payment and advance payment plans, flexible queries, configurable late fees and NSF payments, and a public module for business owners to update personal property information. Counties can configure accounting to interface with existing accounting software, and the user interface accesses data through a RESTful API. ATS is free and open source, with deployment, customization, training, and consultation available from Velosys without service prices shown.
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CAMAai
Paid AndroidiPhoneWebCounty assessors seeking AI-assisted assessment workflows — CAMAai adds AI-supported deed extraction, valuation explanations, aerial-image change detection, and mobile field-assessor worklists.
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Springbrook Property Tax Management
Paid AndroidiPhoneWebMunicipalities needing billing, collections, and online payments — Springbrook adds end-to-end billing and collections processing, online payments, reporting, and a Treasurer component for refunds and bankruptcy cases.
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Vision CAMA
Paid WebWindowsAssessment communities needing configurable appraisal tools — Vision CAMA centers on mass appraisal, multiple valuation approaches, property record cards, sketching, and GIS synchronization.
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Catalis Assessment E-file
Paid WebCounties managing tangible personal property filings — Assessment E-file focuses on cloud-based tangible personal property filings, with guided workflows, carried-forward data, and compliance dashboards.
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CSC Corptax
Paid WebEnterprise tax departments handling U.S. and global compliance — Corptax handles corporate income tax compliance, provision, reporting, filings, global minimum tax, and entity management rather than county property taxes.
Pricing on request Visit site - 6
DEVNET Edge
Paid APIWebWindowsLocal governments connecting property-tax and land records — DEVNET Edge covers the property-tax lifecycle alongside GIS, permitting, land records, public access, and API services.
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Ingenuity CAMA
Paid WebCounties seeking a unified property-tax lifecycle system — Ingenuity CAMA combines mapping, appraisal, assessment, collections, accounting, business personal property tools, and queue integration.
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Avalara Property Tax
Paid APIWeb - 9
Cozerna RPTA
Paid APILinuxSelf-hosted+15.8 Visit site - 10
itamlink
Paid AndroidAPIiPhone+1 - 11
Municipal Tax System
Paid Self-hostedWindows - 12
SigerTax
Paid Web - 13
PVDNet Suite
Paid APIWeb - 14
Orbis Property Tax Management
Paid Web - 15
Catalis CAMA
Paid Web - 16
Catalis Tax
Paid Web - 17
CSC PTMS
Paid Web - 18
Tyler iasWorld
Paid Web
A reason to consider alternatives is that ATS lists API as its platform, while some options offer web or mobile access and broader workflows. ATS is described as in development by Kitsap County, so weigh implementation needs alongside the functions you need to retain. Compare whether a product covers assessment, billing, collections, public or field access, and connected county processes; some alternatives instead center on corporate income tax or a specific filing task. Also consider the quoted-price model and whether a system's intended users align with your work.
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