ImBatch - ImBatch is a batch image processor with a nice graphical user interface.
Open Camera - Open Camera is an open-source camera app for Android phones and tablets.
DVDVideoSoft Image Convert and Resize - Free Image Convert and Resize is a compact yet powerful program for batch mode image processing.
Secure Camera - Modern camera app focused on privacy and security with QR & barcode scanning.
Ralpha Image Resizer - High-speed image batch conversion tool
PhotonCamera - Android Camera that uses enhanced image processing.