Second.dev is a developer platform for startups that uses bots to write code and raise pull requests for common B2B SaaS web application features. Its developer bots can generate new web applications or add full-stack features to existing ones, helping founders jumpstart their web application development, increasing the output of engineers on product teams, and allowing agencies to drastically increase their revenue. Second also provides recommendations for the best tech stack to use and provides automatic upgrades via pull requests.