InView is described as 'Synchronise Xero invoices and bills to your calendar'. There are more than 50 alternatives to InView, not only websites but also apps for a variety of platforms, including Windows, Linux, Mac and iPhone. The best alternative is IFTTT, which is free. Other great sites and apps similar to InView are Zapier (Freemium), Huginn (Free, Open Source), Make.com (Freemium) and Microsoft Flow (Freemium).
Huginn is a system for building agents that perform automated tasks for you online. They can read the web, watch for events, and take actions on your behalf. Huginn's Agents create and consume events, propagating them along a directed graph.
Siri Shortcuts deliver a quick way to get things done with your apps with just a tap or by asking Siri. The Shortcuts app enables you to create personal shortcuts with multiple steps from your favorite apps.
Create shortcuts to your favorite actions, such as home automation, smart phone features such as alarms, sending emails, playing sounds, controling music. Ever growing list of supported integrations, such as LIFX, Philips Hue, WeMo and more.
Integrate Box, Gmail, Salesforce, Google Drive, Dropbox, Basecamp, Evernote, and more. Real-time synchronization and backup of files, emails, notes, and projects between multiple Box, Gmail, Salesforce, Google Drive, Dropbox, Basecamp, Evernote accounts. 15-days free trial.