Streak is a CRM and pipeline management tool that lives directly inside Gmail, letting sales reps, recruiters, customer success managers, and small business owners track deals, candidates, support cases, and projects without leaving their inbox. Marketed as a CRM for Gmail, Streak combines email tracking with open and click events, mail merge for personalized campaigns, customizable pipelines for sales, recruiting, fundraising, and support, shared team email threads, scheduled email send-later, snippet libraries, integrations with Google Workspace, Zapier, Slack, and Google Drive. Streak is a strong fit for solo founders running early-stage sales pipelines from Gmail, recruiters tracking candidates inside email threads, and customer success teams managing renewal pipelines without switching to a separate CRM.