Hi everyone,
I’ve been working on a TUI for Fly.io for a while and it’s out now. 
It’s basically k9s for the Fly’s platform.
Note: flyradar is an OSS third-party tool and is not an official Fly.io project.
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flyradar tries to do things in the same way as flyctl does. (i.e. calling same apis for the same action given a resource.) And It focuses on managing the existing resources (just like k9s) as I expect those operational workflows (viewing, monitoring, deleting, logging..) to not change as frequently on flyctl.
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It relies on the Fly CLI for authentication and its built-in Fly agent for operational functionality. So flyctl needs to be installed in your system.
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It polls the related APIs to enable real-time monitoring of your applications and other resources.
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It supports the common op. workflows. (e.g. restart, stop, suspend, kill, cordon machines..)
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It has capabilities like quick access to filtering and dumping the resource logs.
So flyradar is essentially a single process that packs selected non-resource-creational workflows of flyctl into a terminal UI.
Links:
Demos:
Built this to bring some radar vision to my Fly adventures. 
Let me know what you think!