PhotoFlare - Quick, simple but powerful Cross Platform image editor.

Pudding.ai - Real-time ad creative analysis solution that helps marketers to easily understand ad creative performance with actionable insights.

showFoto - ShowFoto is the standalone image editor of the digiKam project.

AdWhistle - AdWhistle is a web-based platform that provides you the features and tools to create a campaign strategy and run the ads successfully on various social media platforms.

PhotoDemon - Lightweight portable BSD licensed photo editor for Windows focused on performance and usability.

Facebook Ad Library - Find out who is paying for ads with Facebooks new tool