Top 5 Digital Marketing Tools

It ables every newbie to become an expert in design. It has some premium features but overall it's free!
https://www.canva.com/

Email marketing isn't dead at all! You can still get high conversion rates if you do it right. With MailChimp you can easily create beautiful templates and huge email lists. Better than that, you can send 12,000 emails to 2,000 subscribers for free.
http://mailchimp.com/

Google Analytics is a very famous tool, with it you can control almost everything in your website. Users, page views, bouce rate, aquisition and adwords connection are just some of the features you can get with this tool.
https://www.google.com/analytics/

When you got many social media accounts to manage you really need this tool to help you. With Hootsuite you can plan the content you want when you want to which social media you want. It's free till 3 social media accounts connected.
https://hootsuite.com/pt

Asana specializes in helping teams manage workflows. It's powerful free features help you get the work done without the usual discussions and delays due to bad communication and organization.
https://asana.com/