YC W09

3 dead or acquired startups from batch W09 with completed research reports.

Every startup playbook in our database, ready to build

Each deep-dive includes a post-mortem, step-by-step rebuild plan, and a technical spec you can paste straight into Claude Code, Cursor, or Lovable.

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W09

Acquired

Cloudkick

Cloudkick is system to manage cloud servers, such as the Rackspace Cloud and Amazon's EC2. Cloudkick provides an easy to use monitoring/alerting solution to support your production infrastructure on the cloud. Cloudkick also gives you a window into your cloud deployment by providing detailed graphs on the health of your servers, and tools to categorize and keep information about what each server is doing. Cloudkick's mission is to make cloud servers easy to use, where ever the customer needs them.

W09

Acquired

Heyzap

Advertising

Heyzap (acquired by Fyber for $45m in 2016) is one of the largest…

W09

Acquired

reMail

Email search for iPhone. Acquired by Google in Feb 2010.