When it comes to creating engaging videos or presentations, whiteboard animation software can be a helpful tool. However, some of the paid options can be costly, which may not be practical for everyone. Luckily, there are open-source versions that are free to use. Here are the top 3 free open-source whiteboard animation software available. First on the list is the Mango Whiteboard Animation Maker. It is a browser-based platform that offers a good selection of features for creating professional-looking explainer videos. With Mango, you can easily create doodle animations, explainer videos, and whiteboard presentations with ease. Plus, it has a user-friendly interface and is available in multiple languages. Other open-source software includes Pencil2D, which is downloadable for Windows, Mac, and Linux. This software is mainly for creating 2D animations in a traditional pencil-and-paper style. Another option is OpenToonz, which offers a more advanced level of animation software. It features a multiplane camera, a sound software studio, and a full vector graphics editor. This also offers downloadable versions for Windows, Mac, and Linux operating systems. Regardless of which option you choose, the most important thing is you won't have to spend a lot of money.