Django              >= 1.10.3
Flask               >= 0.11.1
SQLAlchemy          >= 1.1.4
flask-sqlalchemy    >= 2.1
mongoengine         >= 0.10.1
peewee              >= 2.8.5
pony                >= 0.7
pytest              >= 3.0.4
pytest-sugar        >= 0.7.1
Marshmallow         >= 2.10.3
