Flawless

Compare expected and implemented designs in real-time through iOS simulation.

20 Alternatives To Flawless

AppLaunchpad

Create free beautiful screenshots for App store/Google play

Balsamiq Mockups 3

New public beta for the popular prototyping tool
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DaVinci Apps

–°reate customized screenshots for your app in just 3 steps

Dunnnk

Beautiful product mock-ups on demand
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Facebook Design - Devices

Images and Sketch files of popular devices.
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Frame

Easily create reallife product shot mockups.

GIFLIB

GIFLIB is a software library for rendering and generating GIF image files.

Guetzli

JPEG encoder from Google Research that aims for great compression with high visual quality.

Invision

Prototyping and collaboration for design teams

KeepingYouAwake

A Caffeine clone for macOS Yosemite, El Capitan and Sierra (including Dark Mode).

MockuPhone

Easily wrap app screenshots in devices

Open Authenticator

A trusted open-source Authenticator. Formerly known as SmartWatch2 Authenticator free.

Placeit

Generate realistic product shots in seconds

Prototyping Tools

Find the Prototyping Tool You Need

iOS Jetpack

Beautiful easy-to-use screenshot templates for App Store

libjpeg

libjpeg is a widely-used free software library written in C which implements JPEG decoding and…

libjpeg-turbo

libjpeg-turbo is a derivative of libjpeg that uses SIMD instructions (MMX, SSE2, NEON) to…
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libpng

libpng is the official Portable Network Graphics (PNG) reference library (originally called pnglib).

libspng

libspng is a C library for reading and writing Portable Network Graphics (PNG) format files with a…

libtiff

Libtiff is a library for reading and writing Tagged Image File Format (abbreviated TIFF) files.