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| Service | Pros | Cons |
|---|---|---|
| HipChat | Already use it Web or client-based | NCSA-internal Rarely used outside of NCSA |
| IRC | Low-barrier Commonly used Web or client-based | Hard to use No backscrolling (if you're not present, you can miss things) |
| Gitter | Anyone can join 2 weeks of backscroll Web-based Git/Docker integration | Requires Github account |
Forums/discussion groups/knowledge-sharing
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