Anima App - Design, get feedback, convert to code, publish, iterate.
ImBatch - ImBatch is a batch image processor with a nice graphical user interface.
Sketch Repo - Collection of resources for anyone who uses Sketch
DVDVideoSoft Image Convert and Resize - Free Image Convert and Resize is a compact yet powerful program for batch mode image processing.
Figma - Team-based interface design, Figma lets you collaborate on designs in real time.
Batch Image Resizer - Resize, crop, shrink, flip, exif-rotate, convert, enhance, process multiple pictures and photos with professional software! 120+ Actions, 30+ Image Formats