Development kits (225 programs)

Pros: Open-source with no royalties. Full access to engine source code. Built-in terrain and world editor.

Cons: Steep learning curve for beginners. Outdated interface and tooling. Smaller community compared to competitors.

Pros: Completely free, open source framework. Includes classes for handling dozens of common web application uses. Backed by extensive documentation. Favors convention over configuration.

Cons: Popularity and community pales in size compared to competitors like Laravel, Symfony and Zend framework. Built using outdated and supported versions of PHP. Requires developer-level PHP knowledge to use. Continuing development is slower than competitors.