Lack of time is one of the typical issues founders face. Contacting investors takes time and is undoubtedly crucial. Since time is ultimately the most valuable resource, I am happy to see a tool that can help entrepreneurs save a significant amount of time.
wisaw - What I Saw Today (cool things) -- Minimalistic Anonymous Photo Sharing
Investor List - A searchable, crowdsourced list of over 1k investors
Augin - Augin is an augmented reality platform to create, publish and view augmented reality apps.
Investor Hunt - Investor Hunt is the internet’s largest investor database with 40k+ angels and VCs from all over the world.
Szoter - Szoter is easy to use, free, online image annotation tool. Annotate, draw and highlight any image.
OpenVC - 2200+ VC firms by thesis to find 'best fit' for your startup