Resend + React Email is the cleanest email stack we've used. Write emails as React components with Tailwind CSS, test locally, deploy confidently. Superior DX to SendGrid/Mailgun's template languages. Delivery rates are excellent, logs are clear, and pricing is straightforward. Transactional emails finally feel like modern development.
Polar understands SaaS pricing for developers. Their webhook system is reliable, customer portal is built-in, and founder pricing tiers were trivial to implement. Better developer experience than Stripe's complexity, with transparent pricing and no surprise fees. Perfect for indie SaaS launching with transparent pricing models.
Cloudflare's R2 storage, KV edge caching, and global CDN make truly unlimited hosting affordable. We serve podcast websites in <10ms globally with zero bandwidth fees, impossible with other's egress costs. Their developer experience (Wrangler CLI, Pages deployment) is unmatched. Cloudflare lets us offer $130/year unlimited hosting profitably while competitors charge more with caps. Essential infrastructure for modern SaaS.
Working with documents specially in pdfs format is very painful in "normal" GPT powered chat. With this product I can upload multiples and get summaries instantly, then I can ask anything in the documents. Smooth experience!