Flask

Flak-exts: Flask-login, Flask-mail, Flaks-Admin, Flask-debugtoolbar, Flask-sqlalchemy, Flask-migrate, Flask-bootstrap3, Flask-uploads, Flask-pagedown

Celery: Using it to send activation e-mail automatically.

Redis: As a broker of Celery .

Postgresql: As a main relationsip database.

JS: To implement some simple button event with ajax.

Vagrant: Win8 is host machine and Ubuntu 16 LTS is guest machine.

Memcached/Libmc: I design a cache decorator with Libmc. It can generate key by prefix, name of func and parameters of func; Also, it has mutex.