Alternatives to Sendinblue

Hey HN, I built ImportKit (https://importkit.app) — a drop-in React widget that handles CSV and Excel imports for SaaS apps. This is my first software product ever. I work in sales and marketing for a maritime software company in Iceland, and I kept seeing the same problem: every SaaS app eventually needs CSV import, and every team builds it from scratch. Column mapping, validation, error handling — it’s a lot of repetitive work. So I decided to try building a solution myself. ImportKit is an em

Hey HN, I'm George. I spent few months rebuilding Obooko, a free ebook platform that's been around since 2010 with 11 million downloads. Reading is losing to scrolling, but BookTok has 370B+ views. People want book content, they're just not reading books. I think that’s because modern reading hasn’t kept up with the pace of the internet. What I built Obooko is ad-supported like YouTube. No paywall, no subscription, no account required. 4,000+ books across 30+ genres. You can read in the browser,

We've been building an AI agent that debugs production incidents, and we think most AI SRE tools are solving the wrong problem. Everyone's focused on the reasoning — better prompts, better models, RAG over runbooks. But in our experience, the bottleneck isn't the AI's ability to think. It's access to data. At any company past 50 engineers, half the context you need during an incident lives in internal tools with no public docs, custom deploy systems, homegrown dashboards, internal CLIs. No vendo