Flask-Admin is maintained by Serge S. Koval and various contributors:

Development Lead
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- Serge S. Koval <serge.koval+github@gmail.com>

Patches and Suggestions
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- Paul Brown <paul90brown@gmail.com>
- Petrus Janse van Rensburg <petrus.jvrensburg@gmail.com>
- Priit Laes <plaes@plaes.org>
- Sean Lynch
- Andy Wilson <wilson.andrew.j+github@gmail.com>
- Mikhail Krivushin <krivushinme@gmail.com>
- Dmitry Medvinsky <dmedvinsky@gmail.com>
- Salem Harrache <salem@harrache.info>
- F. Gabriel Gosselin
- Leonardinius <leonids.maslovs@galeoconsulting.com>
- Peter Ward <peteraward@gmail.com>
- Artem Serga <artem@serga.name>
- Koblaid
- Julian Gonggrijp (UUDigitalHumanitieslab)
- Arthur de Paula Bressan (ArthurPBressan)

.. and more. If I missed you, let me know.