Do you use Quantified High Fives?
Sprig Feedback
AdCapture continuous feedback right in your product or website
Recent launches
Penguin Diary
This diary application improves the accuracy of daily happiness judgments by repeatedly judging whether a day was good or not, and allows users to understand their own views of happiness.
LearnObit (Beta 3)
A web app that uses spaced repetition, a sophisticated learning algorithm, and a tree-structured note-taking tool.
Think Workflowy and Anki combined.
It also brings together various learning theories and tricks.