What are some of the top tools you've used at a startup to set yourself up for success?

Working at a startup often feels like being a crew member of a pirate ship or being an acrobat in a circus. We've been there: in a chaotic mess of spreadsheets, project management, collaboration tools and communication platforms- but there's hope. We found just the right tools that help us put order to the chaos and manage better. Here we've put together a list of tools we use regularly as a tech startup, along with alternatives we recommend: https://apyhub.com/blog/top-tools-for-tech-startups What would you add to the list?