Универсальный декодер - конвертер кириллицы 2cyr.com
https://www.worldtimebuddy.com/ - Время по миру
https://wiki.rtzra.ru/ - Тоже свалка полезностей
https://www.devopsschool.com/tutorial/ansible/
https://neo4j.com - Graph DB
https://git.mcdevitt.tech/bpmcdevitt/awesome-selfhosted - This is a list of Free Software network services and web applications that can be hosted locally