I have built a lot of products and worked on a lot of customer projects in my time as a Programmer. Here is a list of the interesting ones.
simple form
simple form allows you to add a contact form to your websites easily. It gives you a form action which can be used with any kind of form (including forms with file inputs).
getsimplesite.com
simple site is a powerful and flexible CMS which allows you to design a website by using Data Models. The content editors can then manage the content using these data models without touching the HTML code.
liveform
Online forms for designers and developers
webpipe
Pipe from your servers to the browser!
schoolone
schoolone is a communication platform which can be used by schools to improve communication between Students, Teachers and Parents.
Miscellaneous utilities
taskr
Simple command line utility to manage your tasks
base64-file-encode-decode
Encodes your binary files into base64 text files and then can decode them back to their binary versions.
dipper
A small dependency injection package for Golang
https://github.com/minhajuddin/config
A Rails like config loader written for Golang with support for different environments.
https://github.com/minhajuddin/timelog
A simple cli app which allows you to log your time and analyze it.
https://github.com/minhajuddin/tummy
Use a Tmuxfile with your tmux configuration to easily manage sessions