5. Gifsicle Bingifsicle bin-wrapper that makes it seamlessly available as a local dependency
13. pngout-binpngout bin-wrapper that makes it seamlessly available as a local dependency
14. zopflipng-binzopflipng bin-wrapper that makes it seamlessly available as a local dependency
15. pngcrush-binpngcrush bin-wrapper that makes it seamlessly available as a local dependency
16. pngquant-binpngquant bin-wrapper that makes it seamlessly available as a local dependency
17. mozjpeg-binmozjpeg bin-wrapper that makes it seamlessly available as a local dependency
18. guetzli-binguetzli wrapper that makes it seamlessly available as a local dependency