Tweedle App - Notion is nice but sometimes all you need is an app like Tweedle.
Marin Software - Optimize your Search, Social & Display ads across channels and devices. Marin Software, the leading cross-channel performance advertising platform.
Plume - App for writing documents, scripts, books and more.
Kenshoo - Kenshoo provides marketing software and empower marketers with technology to build brands and generate demand across all media.
Flamingo for Twitter - Flamingo for Twitter is a bright and colorful Twitter client that comes with a simple interface.
Google Marketing Platform - Google's unified and improved marketing and analytics tools.