Comparative Constitution Project have launched a new site called Constitute. The site hosts the constitutions of 160 countries. You can search the site according to country and or constitutional theme. Searching by constitutional theme is the best aspect of the site. More than 300 themes are outlined on the site. Select a theme then a country and the element of that country's constitute addressing your chosen theme will be highlighted. You can pin parts of the constitutions to compare them to each other.
Applications for Education
Constitute could be a fantastic resource for lessons in comparative government. You could have students work in groups to compare and evaluate a set of constitutions thematically. To go a little deeper the students can look at the history of a country and the events that influenced the formation of its constitution.