Logo of calendar app <a href="https://en.wikipedia.org/wiki/30_Boxes" class="extiw" title="en:30 Boxes">30 Boxes</a>
The Start Project
direct link: <a rel="nofollow" class="external free" href="http://www.thestartproject.com/img/30boxes_icon.png">http://www.thestartproject.com/img/30boxes_icon.png</a><br>website: <a rel="nofollow" class="external free" href="http://www.thestartproject.com/">http://www.thestartproject.com/</a>