the telegrambot for Pokemon Go
It can be used for
To be used in private-mode or in groups or channels.
In private mode, users can manually select in telegram what and where they want to see monsters and raids.
There is no need for external webservers, but you need java and a database (at the moment only mysql and postgres supported).
(config-example directly at github, shell-script for linux with 'screen' also in repo there)