Developer zhaoyipeng has released a massive set of free custom FireMonkey components for Delphi 10.2 Tokyo over on GitHub. It would appear that most of this components support one or more of the FireMonkey platforms which are Android, IOS, OSX, and Windows (plus Linux unofficially through FMXLinux). The components look like they are available for free with source code from Github. Additionally, there are a number of demos plus screenshots showing the usage of the components. The current components are:
TFMXQRCode is a wrapper around the ZXing QRCode port to Delphi for generating QRCode images.
TFMXToast is a control that allows you to pop Android Toast style messages in FireMonkey apps.
TFMXSeg7Shape is a component for what appears to be displaying displaying LED style numbers.
There is a BaiduMap SDK wrapper for Firemonkey which looks useful for using the BaiduMap SDK in your Delphi apps.
TFMXCalendarControl is a custom calendar component in the IOS style for choosing dates on a calendar.
TFMXGuesturePassword is a keypad style control that takes gestures to generate a pin number like an unlock code.
TFMXSimpleBBCodeText is a simple control which looks like it formst BBCode text (which includes text colors) for display.
TFMXImageSlider is an easy to use image slider which can hold a group of images and allow you to slide between them.
TFMXCircleScoreIndicator is a circular progress indicator component that contains a number label in the center.
TFMXRatingBar is a custom control that allows you to set a star rating (as in a 5 star display).
TFMXScrollableList is a scrollable list component that looks similar to have the IOS date time or calendar picker works.
TFMXLoadingIndicator looks like a fantastic loading indicator library with a variety of loading animations.
graphics32 is a FireMonkey (and I assume cross platform) version of the popular graphics32 library for Delphi.
TFMXCallout is an upgraded version of TCallout that uses the INativeCanvas to draw with smooth lines.
INativeCanvas is a custom helper class for TCanvas which gives you smooth lines across platforms.
TFMXRotatingText is a rotating text component similar to a the rolls on a slot machine.