ChargeOver - ChargeOver automates recurring billing, subscription billing, & payment acceptance. A SaaS that integrates with Xero, Quickbooks, & has an API. Free trial.
Chromeleon - This chromatography data system (CDS) software performs analytical processes for stand-alone ion, liquid and gas chromatography and mass spectrometry, or for an enterprise-wide solution.
BillGrid.com - BillGrid is an easy to use online invoicing, billing and expense management system that will save you time with tracking clients projects, expenses, invoices and payments.
OpenChrom - Data Analysis for Chromatography and Mass Spectrometry
fusebill - Fusebill is the leading recurring billing and subscription management software for businesses. Try Fusebill for subscription billing made easy!
Analyst - Instrument control, data analysis, reporting, and audit trail for SCIEX Mass Spectrometer systems.