Here is my list:
- G suite - very versatile on many office staples and you can link a lot of you information together
- Slack - a great way to communicate with your team
- Adobe Suite - All my editing needs
- GeoFli - Geo marketing software that also utilizes website personalization and makes it AB testing easier
- HubSpot - very well known
- Tableau - Everyone needs a good data viz software
- Trello -collaboration and project organization