I've built a few over the years:

- https://volt.fm - See, share and compare your Spotify stats

- https://postsheet.com - Send emails to contacts in a Google Sheets or Airtable document

- https://pikaso.me - Screenshots Twitter for sharing on Instagram

- https://github.com/soheilpro/zsh-vi-search - Adds support for searching the current line (in normal vi mode) to zsh

- https://github.com/soheilpro/catj - A better way to display JSON files

- https://github.com/soheilpro/mann - Never forget command line options again

- https://github.com/soheilpro/pgcmd - Non-interactive PostgreSQL query tool

- https://github.com/soheilpro/sqlmon - Collect events from SQL Server and save them to Elasticsearch

- https://github.com/soheilpro/sqltop - Find the most resource consuming SQL Server queries

- https://github.com/soheilpro/mon - Painless performance monitoring for Windows

- https://github.com/soheilpro/Ledger - Interactive CLI double-entry accounting