Cisco Jabber, Fleep, Hack Chat, Flowdock, ArrowChat, Pychat, Wiggio, Kandan, Happeo, Total.js Messenger, ChatWork, HeySpace, Smithy, Hubgets, Alterdesk, AMPHORY, Luka, FASTEE, Engagedots, Minsh, Jaconda, LekkerIM, workroo.ms, MainFrame, Kweknet, Thirdlane Connect, ScudCloud, Shasper, Tapwater, Just Social, Minty Chat, Mazey, Typetalk, Zapty, Modular.im, Kezmo, GlobalMeet, 9mCollab, Filevine are some alternatives to Threads for Teams.