Xmind - Xmind is a brainstorming and mind mapping application.
Spacedoo - Short actionable marketing hacks
MindMeister - Create, share and collaboratively work on mind maps with MindMeister, the leading online mind mapping software. Includes apps for iPhone, iPad and Android.
TweetFavy - The Growth Hacking Tool for Twitter. Marketing automation software / Growth Hacking tool designed to grow your social media influence and attract real, targeted and engaged Twitter followers.
Coggle - Coggle is a simple, beautiful, powerful way of structuring information.
Ryan Holiday - We Invest $500k in Sci-Fi Founders.