openrc

An init system which is notably used by gentoo, a GNU/Linux distribution.

You can't switch systemd to openrc John, that would be crazy difficult!

openrc by ih8bloat777 November 5, 2021

openhcf 

A top notch mineman scammer, ddoser and more!

openhcf scams so much lmao

openhcf by ItsPaul March 29, 2017

openCanvas 

A drawing program which works very well with a tablet. Japanese in origin, but has an English language option.

The program can also be used online, to connect up to four people at the same time. When connected, all four people draw on the same canvas.

Abbreviation: oC

Hey, check out this pic I just drew on openCanvas!

The other night, I was drawing with my friends on openCanvas ^^

openCanvas by Orasa December 14, 2004

OpenCoffee 

OpenCoffee is a gathering of - mostly tech minded - people at a certain day of the week in the morning in a coffee shop. At this small networking coffee meeting, the tech scene gets discussed and people have the ability to network and meet new people.

John: "Have you been at OpenCoffee this morning? I've had a great discussion with those guys from tech start up Qash!"
Eric: "Had to skip it unfortunately. Had a important deadline that day!"

OpenCoffee by mroumen December 26, 2008

openacan

short (discreet) phrase meaning, you're about to open a good old can of WHOOPASS on someone.

Mr. Passive-Aggressive down the hall is really pissing me off today and I'm about to openacan and take care of business #likeaboss.

openacan by dR0nE.31337 February 18, 2011

OpenCore

I don't know, Morgonaut told me to put this here.

“What's OpenCore, Josh?”
“I don't know, Morgonaut mentioned it once.”

OpenCore by iabtw October 15, 2021

OpenCore

A bootloader developed by Acidanthera. The coolest people on the planet, of course.

Dan: “What’s ‘OpenCore’?”
Josh: “It’s this cool bootloader made by Acidanthera that you can use, there’s even a guide on how to set it up properly.”

OpenCore by iabtw October 16, 2021