Resources

Following is the list of very useful resources.

scribbless.com – for managing lists online
listmoz.com – making lists online

testmoz.com – Create test online

uicolorpicker.com – Color Resource

Photo Resourse
pexels.com
unsplash.com

desmos.com – For Maths, Graph, Art, Analytic
placeholdit.co – for setting place holders for images.

gtmetrix.com – To optimize website, first have review of site performance at
pixlr.com – online image editors
PDF info changer – edits pdf metadata, free utility