Linear - Streamlined issue tracking for software teams
The Landing Page Cookbook - A guide for makers who want to create better landing pages.
Distiller - Distiller's hosted continuous integration platform takes the pain out of mobile development through automated build, test, and deployment of your iOS apps.
Landing Pages in MailChimp - Easy to build, custom landing pages for free
BugHerd - BugHerd: The Website Feedback Tool for Agencies
Carrd - Simple, responsive one-page site creator.