SendOut - Affordable email marketing for bloggers and influencers
Zendesk Support Suite - Zendesk Support Suite is a tool that solves and emerges multiple tasks in one place.
Mailblast - Email marketing on a budget using Amazon SES
Yet Another Mail Merge (YAMM) - Run well-targeted email campaigns with Gmail & Google Sheets
Platformly - Platformly is a suite of tools for multi-channel marketing automation.
Gmelius - Gmelius is the first collaboration platform designed for G Suite and your company's daily tools.