Best for: Anyone who struggles with rulers and guides. GuideGuide is a legendary plugin that lets you create complex grid systems in seconds. Instead of dragging guides manually from the ruler, you tell GuideGuide how many rows, columns, gutters, and margins you want, and it builds the grid instantly.

Category: Object Placement & Crash Prevention Developer: Astute Graphics

If you have ever tried to place a small shape inside a larger, odd-shaped polygon without going outside the lines, you know the pain of "Bounding Box collision."

Developer: Spec Best For: Handing off designs to developers.

When a design is finished, the handoff process begins. Spec (often available as a free or "lite" version) automates the generation of specifications. Instead of manually measuring padding, margins, and font sizes, the plugin generates a spec sheet automatically.