WHMCS - WHMCS is an all-in-one client management, billing & support system for online businesses.
Payable - Easily manage and pay your contractors
MachPanel - MachPanel is a Multi-Cloud Service Orchestration & Delivery Platform.
ContractorPlus - Everything home service contractors need in one app.
Blesta - Blesta is professional client management, billing, and support software.
Bold - Ultra-fast anonymous publishing platform.