Most of Clickteam’s products offer different editions of their software, packing various features at other prices.
Clickteam Fusion 2.5
For the official list, see the compare versions page on Clickteam’s website.
Multimedia Fusion 2
This product is no longer available for sale, but it is still supported. As it is the predecessor to Clickteam Fusion 2.5, the features listed above are the same, except there is no free edition of MMF2.
For the official list, See the Product Comparisons page on Clickteam’s website.