ChargeOver - ChargeOver automates recurring billing, subscription billing, & payment acceptance. A SaaS that integrates with Xero, Quickbooks, & has an API. Free trial.

ContractorPlus - Everything home service contractors need in one app.

fusebill - Fusebill is the leading recurring billing and subscription management software for businesses. Try Fusebill for subscription billing made easy!

Payable - Easily manage and pay your contractors

MinuteDock - Web-based time tracking software designed to integrate with the Xero accounting package.

Bold - Ultra-fast anonymous publishing platform.