re-post: 15 Web Apps That Top Web Designers Are Using

re-post from Design Mag, will be working my way through these...
http://designm.ag/design/15-web-apps-that-top-web-designers-are-using/
There's a great piece that DesignMag have just posted, really useful tools, most of which I haven't heard of to will be investigating further. I've just blatently copied the titles out with the links in so I have them for future reference...

Invoicing and Financial Apps

Nutcache

Pulse

Apptivo

Wireframing and prototyping tools

Proto.io

PowerMockup

Collaboration and project management tools

Freedcamp

Comindware Project

Time Management

Toggl

Timeneye

Email Marketing

Mailigen

Sendloop

Form builders

Gravity Forms

Typeform

File sharing

Onehub

SugarSync