Are you to a newer version of Delphi?
For users maintaining apps on the 3.x branch (such as 3.6.8.8), the pack remains valued for its comprehensive set of UI controls: tms fmx ui pack 3688 full source new
This works for Delphi 10.4 ~ 12.2.
The pack provides high-performance alternatives to standard FMX controls: TMS FNC UI Pack Delphi UI components Summary — TMS FMX UI Pack v3
Includes high-performance grid controls like TTMSFMXLiveGrid and TTMSFMXGrid , supporting features like filtering, sorting, multi-column grouping, and master-detail relationships. supporting features like filtering