There are many digital marketing platforms available, including:

1. Google Ads: A platform for advertising on Google search and other Google properties.
2. Facebook Ads: A platform for advertising on Facebook, Instagram, and other Facebook-owned properties.
3. Twitter Ads: A platform for advertising on Twitter.
4. LinkedIn Ads: A platform for advertising on LinkedIn.
5. Instagram Ads: A platform for advertising on Instagram.
6. Pinterest Ads: A platform for advertising on Pinterest.
7. Snapchat Ads: A platform for advertising on Snapchat.
8. Amazon Advertising: A platform for advertising on Amazon and other Amazon properties.
9. TikTok Ads: A platform for advertising on TikTok.
10. YouTube Ads: A platform for advertising on YouTube.

There are also a number of other digital marketing platforms, such as programmatic advertising platforms, affiliate marketing networks, and email marketing platforms.