Send links on command (chat rules, FAQs, libraries etc.)
Ban users and delete messages
Filter links
Remind for dates
Publicate daily statistics (how much banned, deleted, sent messages)
Search for the Zen of Python quotes (inline query)
Help users with googling when they send search query to your group instead of Google
Make faces when doubtful bloggers are mentioned
Etc. (functionality is growing up)

Usage

You can use this repository as an precoded customizeble bot. Original bot username: @LutzPyBot