I use Privacy Browser: https://www.stoutner.com/privacy-browser-android/. It’s on Fdroid.
I use an OpenBoard fork with gestures after giving up Gboard.
https://github.com/erkserkserks/openboard/releases/tag/v1.4.5-gesture-typing
Try skiff.com. they’re new but similar offerings
On Android I highly recommend Privacy Browser. It’s on Fdroid: https://f-droid.org/en/packages/com.stoutner.privacybrowser.standard/
It’s good and I like the service but the mobile app could use improvements to auto upload