Speaking.io - Brutally honest public speaking advice
Ralpha Image Resizer - High-speed image batch conversion tool
Konflist - Curated list of tech conferences all around the world!
ImBatch - ImBatch is a batch image processor with a nice graphical user interface.
Notist - Create your permanent public speaking portfolio.
Caesium Image Compressor - Compress your pictures up to 90% without visible quality loss.