Hunter TechLookup - Create lists of websites by technology for free
Startup Toolkit - Interactive how-to guides to launch your startup
Setalist - The easiest way to make awesome lists for the internet
Toolbird - Discover online tools that other startups use
Techmap.io - Techmap is a workplace search engine to find companies using technologies (e.g., Rails, PHP, Java, etc.) that are used internally. Finally, a "Google for Workplaces" that helps people find a place to work with technologies they love!
Notion Lean Startup - You will get: ๐ Business goal setting system ๐ Market Analysis and Idea validation system ๐ฐ Project management system with smart user story and task system.