To add information and reasons

Also
Besides
Equally
Further
Furthermore
In addition
Indeed
Moreover
Second...Third..., etc.

To explain,
give reasons

Actually
Admittedly
Certainly
In fact
Indeed
Particularly
Specifically

To compare

In/by comparison
Likewise
Similarly

To give examples

For example
For instance
In particular
That is
To demonstrate
To illustrate

To contrast
Although
anyhow
However
Instead
In spite of that
In contrast
Nevertheless
On the contrary
On the other hand
Otherwise
Still
Whereas
Yet

To show time or chronological order

After
Before
Currently
During
Earlier
Eventually
Finally
First,...Second,..., etc.
Formerly
Immediately
Initially
Lastly
Later
Meanwhile
Next
Previously
Simultaneously
Soon
Subsequently
Then

To show result or effect

Accordingly
As a consequence
As a result
Consequently
Finally
Hence
So
Then
Therefore
Thus

To summarize:

Briefly
In all
In brief
In short
In summary
Overall
Summing up
To put it briefly
To sum up
To summarize

To conclude

Given these facts
Hence
In conclusion
So
Therefore
Thus
To conclude