On-Screen Ruler - lightweight, free, semi-transparent ruler
Nova Code Editor - Nova Code Editor is software that is used for writing and editing codes.
Bluegrams Screen Ruler - A lightweight and configurable ruler tool for Windows Desktop.
Quip Inbox - A smart and useful new inbox for living documents
Pixus - Pixus is an AIR pixel ruler application, a handy tool for web and interface designers.
Perfect Wiki - Build and organize your knowledge base of company resources without switching between workspaces