island - a free and opensource alternative to parellel space
AfterShip - AfterShip is the shipment tracking API for ecommerce businesses and marketplaces.
App Cloner - Clone your Android apps so you can use multiple logins.
Digital Waybill - Digital Waybill is an online delivery ordering courier software solution that provides features & functions to help manage online ordering, GPS tracking and more.
Parallel Space - Parallel Space – Multiple accounts and Two-Face is free to use mobile app that helps you clone or run multiple accounts of the same app simultaneously, and use themes to style your unique space.
OnTime 360 - Cloud-based courier software with online order entry, route optimization, and dynamic tracking. The complete delivery software solution.