Anologue - Disposable online chat.
Hive - Seamless project management and collaboration for your team.
Shtuff Chat - Free Group / Team chat with persistent history.
Sup! Standup Bot - The complete stand-up and follow-up bot
Tlk2me - Tlk2me is simple real-time messaging platform which is designed exclusively for groups.
Asana - Asana project management is an effort to re-imagine how we work together, through modern productivity software. Fast and versatile, Asana helps individuals and groups get more done.