Sundance Screenwriter's Lab is a fantastic program. Please apply.
Film Independent's Screenwriting Lab program is good too, but there is a USD 65 application fee if you are not a member of Filmmaker Pro.
Nickleodeon Writing program. While in the Program, writers receive hands-on experience writing spec scripts and pitching story ideas in both live action and animated television. They also meet our series creators, story editors and showrunners, as well as work in writers' rooms, attend pitches, records, show tapings and more. Oh, and they write a lot too, all while being provided a salaried position for up to six months!
Bluecat Screenwriters' Program. Accepts features, episodic, and pilot.
Screencraft Screenwriting Competitions. Small cash awards and your winning script will be shared with Hollywood and International Producers.
Slamdance Screenwriting Competition. Apart from regular awards they also have a mentorship program.
The Academy Nicholl Fellowships in Screenwriting is an international screenwriting competition established to identify and encourage talented new screenwriters. The 2020 competition is now closed for entries. But try for next year.
Showtime Tony Cox Screenplay Competitions recognize emerging writers in four unique categories as the best from the pool of submissions each year. Finalists in each competition are read by prestigious juries, receive top industry recognition, and participate in a Festival focused specifically on screenwriting that includes cash prizes for all competitions and a Mentors Brunch with a prominent screenwriter (past mentors include Noah Baumbach, Oliver Stone, Robert Towne, David O. Russell, and Nancy Meyers). The 2020 Submissions are over, but try next year.
A great source for Screenwriting fundings here at Bellingham Film Team.
Scriptpalooza has a screenwriting competition here. First prize winner gets USD 10,000 in cash. Genre winners get USD 500 each. Plus your script will be shared with top producers.
Scriptpipeline. Winner receives USD 25000 and script gets developed and shown around.
Cinequest Screenwriting Competition. Though they do not seem to offer any cash awards but they promise industry exposure.
TalNexus Scripted Film Lab. Selected teams get USD 10,000 to make their film, among other benefits.
Hubert Bals Fund for Script and Development.
Asian Cinema Fund.Offers upto USD 10,000 grant. They also have post production grants.
Fonds Sud Cinema has writing grant for TV Co_Production between two countries.
PSBT India has funds.
Alter-Cine Foundation Documentary Film Grant. Every year, the Foundation awards a grant of 10,000 Canadian dollars and a few 5,000 Canadian dollars grants to some filmmakers to assist in the production of a documentary project. The grant is aimed at young filmmakers born and living in Africa, Asia or Latin America who want to direct a film in the language of their choice that respects the aims of the Foundation'