What is Discord ?
Discord is a free voice, video and text chat app. The platform was created for game lover. and now it's been using by millions of people, This platform have lots of Features where people can join discord channel and groups through discord channel link or you can also create a server where you can invite people through your discord server link. and you can also have direct message with people.
There are now many steemit users who use Discord as a better communication medium. Discord also has amazing features. Most project owners choose Discord as the right place to develop their project and collaborate with each member.
I've been using Discord a very long time. I get a lot of lessons and great influence when using discord because I can communicate with other steemians.
Here are some great communities to join
Steemspeak
SteemSpeak is powered by Stakepool Radio & Teamspeak which has been a no-bullshit open community for crypto-traders and investors since 2014, and runs on a 24/7 DDOS protected datacenter which we upgraded to this year and it has served us well with minimal downtime in the past couple of months, and the awesome response from listeners is that they definitely like what we are doing. More info here
Steemspeak is the most active community than any other discord. There is a lot of whale if we can communicate well may get the attention of them. I learned a lot from them. Steamspeak created by 
Adsactly
ADSactly is a automous decentralised society that is made up of people from all over the world that have agreed to cooperate with other individuals that are using the ADSactly Platform. More info here
Adactly also a great community but they are more into the world of crypto. Previously they also helped many of its members by getting upvote from them if we gave them something. now they still support but different way if our post is chosen by their team can be vote from adsactly also. It discord adsactly https://discord.gg/U5YNSYj
Steemstem
Steemstem supports all posts related to science. STEM (science, technology, engineering, mathematics) if anyone is proficient in this case can join and try to make a post about steemstem. Here's the discord link https://discord.gg/RfHCF5s
eSteem
eSteem is an application from steemit available on playstore, all users use this app on their smartphone, this app is being started by 
Steem Accelerator Hub (STACH)
STACH is a physical Accelerator Hub dedicated to decentralizing the offline by breaking the barriers to accessing the internet like light, internet and conducive working space. More info here
Stach provide the services member premium subscription. join to find out more about member premium. Here's the discord stach https://discord.gg/3eVh8wU
Whaleshares
Whaleshares is a project created the long time host of the Beyond Bitcoin hangouts, 
Community whaleshares also make lottery to make its members more active in discord and interact with each other by building friendship. Here's the whaleshares discord https://discord.gg/mZMFA6F
Guide steemit
Guide steemit is a community that describes the basics in steemit. this time this community were planning to create a new project that can help new member joined the steemit. Here's the discord link https://discord.gg/RF4Hdgd
Steem Repo
Steem repo is a community that seeks quality posts to support. Curator Steem repo selects every quality post and gets upvote from steem repo and also get comment if user wants his post inserted in Steem repo website then user must say "YES" his example as in the picture below.
Steem Repo is great project . Here's the discord steem repo https://discord.gg/rvS2un3
Memeit LOL
Memeit.LOL is a creative platform you can use to create your own meme and post it on the Steem Blockchain.
This content is then reviewed by Memeit Moderators to determine which memes get published and which memes get hidden.
Moderation is based on the authors use of humor, satire, and proper usage of the meme. More info here Here's the discord memeit https://discord.gg/2fvCsKR
Steemgigs
Steemgigs is an idea conceptualized and started by 
Discord above all has its own benefits. So join the discord. A great opportunity to be successful in steemit if we can communicate and interact with others! So what are you waiting for? Click on it all and wake up every friendship!