Not all but most of additions for Linux only.
1. Plugins >>
2. External archivers (for MultiArc) >>
3. Several buttons for the toolbar >>
4. File associations and actions >>
5. Syntax highlighting (DC internal editor) >>
- Double Commander Wiki (plugins page)
- Some third-party plugins
- P7Z Usr (forum)
- Font info plugin for Total and Double Commanders
- WFX plugin for popular cloud file storages
- Yandex Disk WFX plugin for Total and Double commander
- Environment variables WFX plugin for Double Commander
- AnyELF (by Serge Lamikhov-Center) for Double Commander users (GTK2)
- ISO Plugin by S. Oblomov - builds for Linux
- wlxmpv: GitHub or GitLab (try to check both link and use latest version).