Startup Stash - A curated directory of 400 resources & tools for startups
On-Screen Ruler - lightweight, free, semi-transparent ruler
Startup Buffer - Startup Buffer is a premium startup directory for emerging startups all around the world.
Bluegrams Screen Ruler - A lightweight and configurable ruler tool for Windows Desktop.
Content Marketing Stack - A curated directory of content marketing resources
Pixus - Pixus is an AIR pixel ruler application, a handy tool for web and interface designers.