DOC: ecosystem: Vaex, Pandas on Ray, alphabetization, pandas-datareader
closes #20334 - Pandas on Ray
closes #20335 - Vaex
It might be worthwhile to also reference https://github.com/altair-viz/altair in the visualization section, since Vincent refers people to Altair: https://github.com/wrobstory/vincent#2016-06-18-update Good call. #20355  "DOC: ecosystem.rst: Altair" Pending a response to #20355, I'll go ahead and also alphabetize the Visualization Tools section and then this PR will be ready to merge. # [Codecov](https://codecov.io/gh/pandas-dev/pandas/pull/20345?src=pr&el=h1) Report
> :exclamation: No coverage uploaded for pull request base (`master@20ca108`). [Click here to learn what that means](https://docs.codecov.io/docs/error-reference#section-missing-base-commit).
> The diff coverage is `n/a`.

[![Impacted file tree graph](https://codecov.io/gh/pandas-dev/pandas/pull/20345/graphs/tree.svg?width=650&height=150&src=pr&token=eZ4WkYLtcO)](https://codecov.io/gh/pandas-dev/pandas/pull/20345?src=pr&el=tree)

```diff
@@            Coverage Diff            @@
##             master   #20345   +/-   ##
=========================================
  Coverage          ?   91.84%           
=========================================
  Files             ?      153           
  Lines             ?    49279           
  Branches          ?        0           
=========================================
  Hits              ?    45259           
  Misses            ?     4020           
  Partials          ?        0
```

| Flag | Coverage Δ | |
|---|---|---|
| #multiple | `90.23% <ø> (?)` | |
| #single | `41.9% <ø> (?)` | |


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[Continue to review full report at Codecov](https://codecov.io/gh/pandas-dev/pandas/pull/20345?src=pr&el=continue).
> **Legend** - [Click here to learn more](https://docs.codecov.io/docs/codecov-delta)
> `Δ = absolute <relative> (impact)`, `ø = not affected`, `? = missing data`
> Powered by [Codecov](https://codecov.io/gh/pandas-dev/pandas/pull/20345?src=pr&el=footer). Last update [20ca108...94f0cdd](https://codecov.io/gh/pandas-dev/pandas/pull/20345?src=pr&el=lastupdated). Read the [comment docs](https://docs.codecov.io/docs/pull-request-comments).
 can you update @westurner can you update What needs to be updated here? Rebased, thanks @westurner !