RainforestQA - Insanely simple testing. Create tests for your website in plain English, then run them across all major browsers with a single click. Powered by human intelligence
Scrumbot - A summary of all team data in Slack before your daily scrum
Now + Github - Deploy your apps from GitHub pull requests as you push!
Lowdown - Lowdown unleashes the valuable content locked within Slack and emails it to your members so they don't miss key information.
FeaturePeek - Collaborate on in-progress website implementations. FeaturePeek allows your team to collect feedback on your front-end during the implementation phase of development.
Marketplace Hacks - A slack community of marketplace founders & operators