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Fun and Useful CLI Tools for Software Developers

Make your day a little better with some fun and useful CLI tools.

Photo by Florian Olivo on Unsplash


Ever looking for the perfect emoji but can’t think of its name? As someone who uses a lot of emojis in websites I build, this is an often conundrum of mine that leads to an odd search history as I struggle to find the correct emoji.

emoj in action
npm install --global emoj


As someone who feels the constant need to check my internet speed, whether to flex my 10gb/s home internet speeds or cry at the coffee shops dismal sub 5 mb/s speed, I love speed-test because I can engage in my favorite past-time all from the command line!

speed-test in action
npm install --global speed-test


pen is a markdown preview tool that’s built to be simple and always work.

pen in action


Sometimes I enjoy watching my CPU usage spike up as I open up new chrome instances. Normally, this requires me opening task manager (which has horrible UI), which is a distraction from my mostly terminal-only desktop environment. Enter gtop , a great tool for visualizing system stats all from the command line.

npm i -g gtop


jsome is a tool for viewing those large and hard-to-read json files with pretty colors and nice formatting.

jsome output
npm i -g jsome
jsome /path/to/your/json/file.json


I hope that your day is made a little better with these fun and useful CLI tools.

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There’s a lot of content out there and I appreciate you reading mine. I’m an undergraduate student at UC Berkeley in the MET program, a software developer at Playground, and a young entrepreneur. I write about software development, startups, and failure (something I’m quite adept at).



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Caelin Sutch

Founder, engineer, designer. Passionate about building cool shit.