Podcast List - A database of 200k+ podcasts to feature your business
draw.io - Online diagramming application
Podcast Search Engine - Find anything inside your favorite podcasts
Dia - Dia is a GTK+ based diagram creation program for GNU/Linux, MacOS X, Unix, and Windows, and is released under the GPL license.
Audiohub - Listen to content about entrepreneurship, startups, funding
yEd - yEd is a free desktop application to quickly create, import, edit, and automatically arrange diagrams. It runs on Windows, Mac OS X, and Unix/Linux.