Helpers:
MTW (Memorize With Timeout) | gist | example
ngrok
Telegram:
Telegram Bot Api
Django:
Django ORM Standalone
Django EN documentation
Django RU documentation
Advanced Python Scheduler
APS: documentation
Python Telegram Bot
PTB: Github
PTB: API documentation
PTB: Wiki
PTB: FAQ
PTB: Handlers
PTB: Advanced Filters
PTB: MessageQueue