Live chat software same like t@wk2

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Hello, i want live chat app that lets you monitor and chat with visitors on my websites
I like t@wk2 system and want bellow parts in they system Extra i want visitors re-direct any url. feature.
1- Dashboard
2- Monitoring
3- Chat
4- Messaging (old converison records)
5- Setting (inside : overview, ban-list, shortcuts, triggers) parts

As can be understood, I want the lite version. There should be multi-language support and I should be able to add it manually.