Recommend a simple video clip capture program

The new body mesh + rig is working now, looking to post some short animation videos in the future.

I used to use the screenToGif to capture the animations and post the animation clip as a gif file. It has an easy to use interface and works well. However, the gif format introduces very noticeable artifacts and gets really big, even for simple clips. So I am looking for gif alternatives.
Suggestions are welcome!

Here is an example of what I meant. Here is the gif version of the animation:

Whereas the actual result looks more like this: