UI Cloud - The largest user interface design database in the world
Prowess - The simplest way to collect and leverage product feedback
OpsDash - All-in-one solution for monitoring servers, services, uptime and databases. Curated Dashboards. Rule-based alerting.
StoriesOnBoard - StoriesOnBoard helps agile teams build better products faster. The built-in guide helps you collect and prioritize ideas, understand user requirements, gather customer feedback, and validate feature ideas with internal & external stakeholders.
Qikipedia - Instant Wikipedia summary cards on any web page
Roadmap - Collision avoidance for projects and people