Zulip is the best open-source Slack alternative you can get, and it can be hosted on your own server or use it with a paid plan.

In my opinion, one of the most reputable organizations providing credentials is ISC2, and one of their most respected designations is that of the Certified Cloud Security Professional (CCSP). So how ...

First, pick your designation of choice. In this case, it’s Google’s Professional Machine Learning Engineer certification. Then look up the exam objectives and make sure they match your career goals ...