Startup Stash - A curated directory of 400 resources & tools for startups
Findnlink - Find people to work with on your ideas.
Content Marketing Stack - A curated directory of content marketing resources
CollabFinder - Find cofounders and makers to help build your project
StartupResources.io - Tightly curated lists of the best startup tools
Co-founder Question Cards - Questions to ask your co-founder to know each other better.