The animation Showcase (ongoing)
Every 3 months different deadline for free submission, free submissions last a week usually.  The animation Showcase is a curated quarterly screening event, based in London and travel in Europe and America once a year with its special Best Of the Year selection. The animation Showcase helps to promote animated films and its filmmakers in the world, and bring it to the creative industry, animation studios and general audience. (Website is a work in progress, full version will be online soon) FilmFreeway submission

Bhagwan Birsa Munda International Tribal Film Festival 10/31/18
The Film Festival will showcase the films on tribal heroes primarily. Beside tribal heroes, the films based on the themes of tribal culture, art, religion, architecture, Philosophy, traditions, mythology, history, life-style, food, costumes, Jewelry, sports and various aspects associated with them will also be showcased in the festival.