Sell My App - Sellmyapp is a top quality mobile source codes marketplace with strong community elements
Codat - Codat works with lenders, banks, insurers and software providers to provide integrations with the accounting and other financial softwares.
CodeCanyon - Scripts and Snippets From $1 for PHP, JavaScript, ASP.NET, CSS, Plugins, HTML5, Mobile and more
Railz - Build Financial SME apps using normalized Accounting data
Codester - The marketplace for ready-to-use web development assets
Synder - AR Automation