Launch HN: Castled Data (YC W22) – Open-Source Reverse ETL

Hi HN, We're Arun, Manish, Abhilash and Franklin from Castled Data ( https://castled.io ). Castled is an open source reverse ETL solution. It helps you to periodically sync the data in your database/warehouse (Snowflake, BigQuery, Redshift, etc.) into sales, marketing, or support apps (Salesforce, Hubspot, Intercom etc.), or custom software, without needing an engineering team. Here’s a demo video: https://www.loom.com/share/71bf33acbb4a41cab7c96a3460a84e5f . On an average, mid-scale organizations use around 40 SaaS apps. These are powerful in functionality, but limited by the quality of the product/customer data which is fed into them. The data getting synced into these tools is often incomplete, suffers from quality issues, and requires unreliable and manual imports (e.g. from CSV). Manish and I were founding engineers at Hevodata, an ETL company, when it went from 5 customers to around 300 customers. We started seeing the trend of more an