Summarizing / Concluding

All in all,

All things considered,

By way of summary,

For all intents and purposes,

In brief,

In effect,

So what we've seen is that...

So, in a nutshell,

So, you see,

The bottom line is

To conclude,

To make a long story short,

To pull it all together,

To sum it all up,

What it all boils down to is,