https://freesheet.io - My Tiny Sheet, I built a spreadsheet that runs inside your browser and saves data locally in localStorage. It is very good for small calculations and organized note taking. I have also added synchronization option to save data remotely. I am going to add also collaboration and more features.
I have my "own" blog, though it is on the "old" platform of blogpost / blogger using my own domain. I find it difficult to understand what brings people. There are blog posts that I am sure will be a hit, but other posts actually brings more than I thought. https://breakpo.com - The post over merging two .doc Microsoft office documents got the most views by far. My blog is mostly about software stuff and things that I write so I will not forget them.
American Beauty 1999 - About getting older and understanding what do you want in life and what is really important, if you don't do it now you might never will.
I have created an email-to-json service. This service creates a webhook call each time an email is sent to an address of your choice and pass the email content as json data to the webhook.
I have created this project a few years ago and then I got an email from a guy that wanted to do the same. I redirect my domain to his new service for free - but lately I have seen that he had abandoned his project, so I have revived mine back again.