Here's a list of products I use for building With Jack. Being a bootstrapped business I try to keep my expenses lean. This means that—if I'm using something and it's listed here—I probably really like it. (Some of these are affiliate links.) ConvertKit is what I use for email marketing. I've started using it to keep in touch with customers, but it also powers my personal newsletter. FreeAgent makes it simple for me and the dashboard gives me an at-a-glance overview of the health of my business. Iterate to speak to Jack's customers. They've just launched so are rolling out new features all the time. I've only used the survey functionality so far, but there's even more useful features. Canon 5D MKIV. I bought this camera when my insurance paid out after my house was burgled. I also use it for photographing weddings at the weekends, which is what's funding the development of With Jack. With Jack, but for those that do I have Olark set up. I found it to be one of the few affordable live chat solutions for a bootstrapped startup. Formisimo shows me the number of drop-offs and where in the form people are losing interest. You can use this data to improve your form. We're rebuilding Jack's quote system, so Formisimo has helped us make certain decisions.