Free flashqard software for linux

FlashQard helps you to learn any subject that can be learned via a question and answer format.
You write a question on a card and the answer overleaf in formatted text. You can also insert as many pictures as you wish.
The reviewing method is known as the Leitner system, proposed by Sebastian Leitner in 1970s.
This method is a well known and widely used mothod to efficiently use flash cards and to reduce the amount of study time needed.
FlashQard can read your card's text (text-to-speech) as you go through your cards.