GIMP - GIMP is a multiplatform photo manipulation tool.
PhotoFunia - PhotoFunia is a leading free photo editing site packed with a huge library of picture editor effects & photo filters. Edit pictures with online pic editor.
Adobe Photoshop - Adobe Photoshop is a webtop application for editing images and photos online.
Canva Online Photo Editor - Canva is a robust platform that comes with an online photo editor to edit all your images.
Pixlr - Pixlr® makes it easy to transform everyday images into stunning works of art.
LoonaPix - LoonaPix.com is a way to make funny photo online.