Slack, Amazon Chime, Discord, Hyperbeam, RetroArch, Scener, Signal, myCircle.tv, Invited.tv, Skype, Watch2Gether, Metastream, Matrix.org, Caracal, BigBlueButton, Watch Party, Mumble, Kast, CyTube, Tox, Spectrum Chat, Antler Club, Zulip, uvid, FreeConferenceCall.com, Crust Enterprise Messaging, StreamParty, Zangi Business Solutions, multiparty-meeting, Gitter, Getaroom.video, ZSNES, VideoLounge.net, Matargasthi, Overwolf, Lobby, Local Party, OpenTogetherTube, Popitalk, TeamFlix, WebRoom, ReaLiveT, Bearcat, Syncplay, Zipcall.io, Whaller, BlueJeans, DJ3D, TurtleTV, Chanty, Ventrilo, Sync Video, BobRTC, Idka, Video Chat Now, blizz, WatchPubs, ShareTube, Joinly, AnyMeeting, Done Hui, Pychat, Houseparty, PokerTH, Moot.us, Kahla, FortKnoxster, Zyptonite, jsSocial, RemoteHQ, Conference Calling, Voiswave, articlebox, Intraboom, Kweknet, Vistasuite, Nettu Meet, Walrus TV, Minty Chat, Modular.im, Zoho Remotely are some alternatives to Kosmi.