GuideGuide
GuideGuide is an extension that lets you quickly and easily create grids and manipulate guides with a consistent UI in Photoshop, Illustrator, and Sketch.
Freesound
Freesound: collaborative database of creative-commons licensed sound for musicians and sound lovers. Have you freed your sound today?
Literature & Latte
The home of Scrivener and Scapple writing apps.
Nicholas Zambetti
LiveView for iPhone & iPad. A remote screen viewing application for viewing your designs on the device before you publish.
Apply Pixels ~ App Icons, UI Kits, Screenshot Templates and more
Industry Standard Design Resources to supercharge your design workflow with up-to-date UI Kits, Icon Templates, Screenshot Templates, Presentation Packs and much more
ImageOptim — better Save for Web
A free app that makes images load faster and take less disk space, without sacrificing quality. Removes private EXIF data from photos and improves compression.
Animoog
Animoog captures the vast sonic vocabulary of Moog synthesizers and applies it to the modern touch surface paradigm, enabling any user to quickly sculpt incredibly fluid and dynamic sounds that live, breathe, and evolve as you play them.
Corona: The 2D Game Engine | Corona Labs
Corona is a free, cross-platform framework ideal for creating games and apps for mobile devices and desktop systems including Android, iOS, Windows, macOS, and more.
Audio recording and editing software | Adobe Audition
Mix, edit, and create audio content in Adobe Audition audio recording software with a comprehensive toolset that includes multitrack, waveform, and spectral display.
Get Everything You Need Starting at $5 - Fiverr
Fiverr: If you're lucky and prepared to sift through a large number of gigs, chances are you'll find something that you or your app needs.
TextWrangler is now BBEdit -- and still free! It's time to switch.
We rarely edit code, but for when we do, Text Wrangler is really useful.