Mailchimp is an email marketing platform for creating campaigns, automating sequences, and analyzing performance. Perfect for solo founders.
Marketing
Marketing and growth tools for solo founders
ResonanceMetrics is the only platform that combines technical audits and AI tracking to maximize your visibility on ChatGPT, Claude, Gemini, and Perplexity. As a solo founder, you can benefit from an in-depth analysis of your site in under 60 seconds, automatically generate customer personas, and track your visibility across multiple LLMs. With a unified score, you can prioritize the necessary actions to enhance your online presence. The platform is operational in less than 5 minutes, allowing you to quickly access valuable insights for your GEO strategy.
Open-source publishing with memberships
Minimalist newsletter tool for writers
Affordable email built by indie hackers
Advanced email automation with CRM
Self-hosted newsletter using Amazon SES
Email marketing for creators with automation
Newsletter platform with growth tools and ad network
Newsletter platform with paid subscriptions
Affordable email marketing with generous free tier
Email platform specifically for SaaS (YC-backed)
Developer-focused email API
Scalable email API for high volume
Open-source newsletter manager
Beautiful email marketing with flat-rate pricing
Behavioral messaging for web and mobile apps











