AutoCAD is computer-aided design (CAD) software that architects, engineers, and construction professionals rely on to create precise 2D and 3D drawings.
Gmail is a free, advertising-supported email service offered as part of Google's G Suite, with 15GB of storage, color-coded inbox filters and unsend button.
Zoho is an web-based online office suite containing word processing, spreadsheets, presentations, databases, note-taking, wikis, web conferencing, customer relationship management, project management, invoicing and other applications developed by Zoho Corporation.