21st Century Business Accounting System
A Windows 95 and NT business accounting application.
http://www.a21.net/

Accounting Success
Accounting software with open source code.
http://www.accountingsuccess.com/

AccountingSource.com
Offers accounting software reselling and evaluation.
http://www.AccountingSource.com/

AccuTech Systems Corporation
Authors of trust accounting and professional farm management software.
http://www.accutechsystemscorp.com/

ALCIE
Offers suite of enterprise business applications including project management, accounting, budgeting, purchasing, inventory, and more.
http://www.alcie.com/

Argos Software
Develops, markets, and supports PC-based financial and management accounting software around the requirements of specified industries.
http://www.argosoftware.com/

AZTECH Software, Inc.
Developers of integrated accounting software for petroleum and convience store operations.
http://www.AZTECHSoftware.com/

Chesapeake System Solutions
Specializes in innovative account reconciliation and compliance reporting solutions.
http://www.chessys.com/

ColumbuSoft
General accounting modules with source code for Delphi and Clipper.
http://www.columbusoft.com/

ComputerEase
Makers of construction accounting software for Windows platforms.
http://www.construction-software.com/

Computerized Accounting Technics (C.A.T.)
Accounting software for carnival owners, amusement ride owners, and carnival concessionaires.
http://www.catsoftware.com/

Comtech Solutions
Developers of custom payroll and accounting programs, including source code.
http://www.comtechsolutions.com/

DataPro, Inc.
Software solutions to meet the needs of today's accounting requirements.
http://www.data-pro.com/

Davis Business Systems Ltd.
Providing accounting software solutions.
http://www.dbsonline.com/

Delta Data Trust
Offers trust accounting software for small trust departments, law firms and community banks.
http://www.deltadatatrust.com/

Diamond International Systems Ltd.
Develops multi-lingual and multi-currency software for financial accounting and control.
http://www.dibms.com/

Donald R. Frey & Company
Provides financial, fund accounting, and utility billing software systems for government agencies and not-for-profit organizations.
http://www.drfrey.com/

DynastySoft Corporation
Provides accounting software to the small-mid sized companies with Visual Basic source code for Access, SQL Server, and Oracle. Royalty-free license available.
http://www.dynastysoft.com/

EB Archbald and Associates, Inc.
Accounting software for oil and gas exploration, production, and investment companies.
http://www.ebassi.com/

Emril Accounting
comprehensive accounting and business management software.
http://www.microrev.net.au/

Enhanced Systems & Services, Inc
Developers of the Finesse ERP System, a suite of accounting, amnufacturing and supply chain modules.
http://www.essfinesse.com/

Euraplan
Developer of investment and pension accounting software. Features company history and contact details.
http://www.euraplan.co.uk/

InfoWare Business Application Software
Developers of accounting, trading, and manufacturing applications.
http://www.infowaresoft.com/