My Expenses - Easy to use and open source personal finance manager for Android.
ChargeOver - ChargeOver automates recurring billing, subscription billing, & payment acceptance. A SaaS that integrates with Xero, Quickbooks, & has an API. Free trial.
GnuCash - A personal and small-business financial-accounting software, licensed under GNU/GPL and available for Linux, Windows, Mac OS X, BSD, and Solaris.
MinuteDock - Web-based time tracking software designed to integrate with the Xero accounting package.
Xcalibur - Control, and process data from Thermo Scientific LC-MS systems and related instruments
fusebill - Fusebill is the leading recurring billing and subscription management software for businesses. Try Fusebill for subscription billing made easy!