Excellent free open source video editing software, it’s a proper NLE with many useful features, and probably the most popular libre alternative to Adobe Premiere. As the name suggests, it’s made by the KDE FOSS community.
Fediverse address:
@kdenlive@floss.social
Non-profit organisation developing free open source software related to videos and other types of media. Its most famous software is the media player VLC (VideoLAN Client).
Fediverse address:
@videolan@floss.social
Professional free open source software package for creating 3D and 2D animations, generating CGI effects for live action, and editing video.
Fediverse address (videos):
@blender@video.blender.org
Fediverse address (announcements):
@Blender@mastodon.social