Zulip - Chat for distributed teams. Zulip combines the immediacy of real-time chat with an email threading model. With Zulip, you can catch up on important conversations while ignoring irrelevant ones.
Validated ideas - List of 5,000 poorly executed but popular apps
Kwayet - Team chat & collaboration app, a simple way to Slack
IdeasAI - OpenAI-powered startup idea generator
Flow - Stop managing projects from your inbox.
The 25 Days of Ideas - Free resources for coming up with startup ideas