Sidigon

Snap to Custom Grid is a lightweight Blender addon that aligns vertices or object origins to the nearest point of a customizable grid across the X, Y, and Z axes with a single click.

Quick Axis Pro is a Blender add-on that adds a persistent transform mode selector to the 3D Viewport header. Pre-select Move, Rotate, or Scale, then apply it along any axis with a single keypress.