This may not be for every artist. But if your work fits and you like the curators, which you can review here, submissions are open and free on the London-based Gitoon platform. To get your work reviewed for their Spring exhibition submit by March 1st.
There is a lot of fine art photography, painting, digital art, collage, ink drawing and some ceramic sculpture on the site.
Sign up to Gitoon. Click “My Work” in sidebar and upload your image. Choose the category UCH Spring Exhibition. Click submit. Vote on other’s work.