Great Downloader easy to use can convert into multiple file formats. Fast and impressive
Spine - Spine is 2D animation software designed specifically for software and game development.
Video DownloadHelper - Browser extension to download videos from the Web
CrazyTalk Animator - CrazyTalk Animator, the next level of 2D animation. Create actors using any photo or illustration.
youtube-dl-gui - A cross platform front-end GUI of the popular youtube-dl written in wxPython.
Synfig Studio - Just another WordPress site
Youtube Video and Audio Downloader - Download YouTube videos in all available formats and extract the original audio files.