WaveShop - Open source audio editor
What Font Is - Find any font from any image (commercial or free)
TwistedWave - TwistedWave is one of the unique audio editors that allow you to edit your music file online without any installation.
Adobe Capture - Turn any photo into a color theme, Look, vector graphic, or unique brush that you can use in your creative projects with Adobe Capture.
Audacity - Audacity is a free and open-source audio production software suite that includes a surprising array of editing tools and recording systems.
Fonts Ninja - Try fonts discovered on websites in any design software