Croking - Share Experiences, Become Influential and Inspire Brands [Invites]

Croking is a social community for people to share their experiences, opinions, and ideas about brands. It is fast and easy to croke.

Other users are able to comment on your submissions, agree or disagree with a single click, as well as share it to other networks. Your user/influence score increases when people agree with your contribution. As a user becomes more valuable to the community their visibility as a thought leader increases causing them to have a greater influence on the brand.

Businesses can join and respond to users which contributes to their brand score. Brands have access to analytics and a centralized view of consumer opinions with the most important and influential feedback brought forward.

Use this invite code to sign up today! (You can even croke about Startup Sea.)

Follow Croking on Twitter, Facebook, LinkedIn, and AngelList. Also, check out their promo video!

Instabug - Revolutionary In App Feedback System [Invites]

Instabug provides mobile app developers with a revolutionary in-app feedback mechanism. Users can send feedback simply by shaking their device. A form is opened within the app where they can comment as well as annotate and highlight a screenshot. The user's device model, OS version, memory and storage information, carrier, and location are included in the report. Instabug was founded by +Omar Gabr and Moataz Soliman. Keep updated by following Instabug on Twitter and Facebook. To gain immediate access click Login then Sign Up and use promo code "startupsea8219".

Blurtopia - Explore Life's Questions

Blurtopia, an iPhone app, is a social Q&A community where you can get feedback on any question (called a Blurt) you ask. They can be asked publicly, to friends, or within topical groups. Check out the below videos to see Blurtopia's many uses in action and connect with them on Facebook and Twitter. Founded by Ryan Bettencourt, Keiran Flanigan, and Grant Bostrom.