Pusher Beams - Send push notifications programmatically at scale
Validated ideas - List of 5,000 poorly executed but popular apps
F5Bot - F5Bot will send you an email whenever your brand, product, or keyword is mentioned online.
The 25 Days of Ideas - Free resources for coming up with startup ideas
Push Notification Preview - A simple tool for previewing push notification copy
IdeasAI - OpenAI-powered startup idea generator