Slack, Microsoft Teams, Jitsi Meet, Skype, Mattermost, Matrix.org, urLive, Spectrum Chat, Zulip, OnTrack Meetings, Priority Matrix, Crust Enterprise Messaging, Plumm, Zangi Business Solutions, MyChat, Zoho Cliq, Google Voice and Video Chat, JayPad, Keet, ZeroChat, Teleport.Video, Corteza Messaging, Whaller, Carrot.io, Quill Messaging, YakYak, Guilded, ArrowChat, Chanty, CloudMeet, Databag, Output Messenger, AirSend, dirc, Lifesize Video Conferencing, Element X, qTeams, Ripcord, Workchat, Async, Done Hui, Engage Spaces, uShare.to, Ziggs, LeggoChat, Meshenger, Video Web Call, HipChat, Chat Anywhere, RemoteHQ, Crugo, AVAILO, Braid Chat, cabal, Engagedots, Shrtct, Jaconda, LekkerIM, Sblack, Intraboom, TribeScale, Slenke, JANDI, Tribecube, Protonet SOUL, Hyphen Messaging, Skarpline, Mazey, Bopup Communication Server, 3veta, Modular.im, Fuse Chat, GlobalMeet, 9mCollab are some alternatives to Rocket.Chat.