Doppler, developed by Plugnition, links a music streaming service to the After Effects timeline. When you hit play on the timeline, your music pauses, and when you pause the timeline, your music plays again. The described behaviour is simple, yet the developer notes it as remarkably powerful.
Doppler is macOS only. It runs as a panel with media control buttons, and version 1.1.0 reduced the minimum width of those buttons so the panel can be sized down. That release also added a button to hide or show the controls, along with general stability and responsiveness improvements.
The plugin is compatible with After Effects 2026, 2025, 2024, 2023, 2022, and 2021. It was first released in November 2025, with the 1.1.0 update following in February 2026. A demo video is available for those who want a closer look before installing.