InstaBeauty – Makeup Camera! - InstaBeauty – Makeup Camera app comes up with features to help you in accessing an extensive collection of makeup styles and filters to edit your selfies.
Photoscape - high quality photo editing software, that enables you to fix and enhance photos.
Facetune - Facetune is a fun and powerful portrait & selfie photo editor!
XnView MP - XnView is a free software that allows you to view, resize and edit your images. It supports more than 500 different formats!
CreamCam - CreamCam called itself a selfie filtering application but offers a portrait enhancement features and tools to its users.
GIMP - GIMP is a multiplatform photo manipulation tool.