Computer services, namely, integration of computer software into multiple systems and networks; Providing temporary use of on-line non-downloadable software for configuring credit and debit card readers; Providing temporary use of on-line non-downloadable software for managing, reporting, and reconciling payment transactions; Providing temporary use of on-line non-downloadable software for configuring mobile and web applications to accept in-store payments; Providing temporary use of on-line non-downloadable software for allowing third party sellers to accept in-person payments for purchases; Providing temporary use of on-line non-downloadable software for management and deployment of multiple credit and debit card readers; none involving use of relational in-memory databases; Providing temporary use of on-line non-downloadable software for management of sales made online and offline and making payouts on such sales; Providing temporary use of on-line non-downloadable software development tools