Discord is a community based chatting app that allows you to directly connect with other people within your niche. Although Discord was initially built for gamers, it grew and people from all walks of life started using it to empower their connectivity.
https://codeburst.io/top-10-discord-servers-for-developers-86570fcdbff3
https://codeburst.io/top-10-discord-servers-for-developers-86570fcdbff3