grants.gov – Central platform for accessing U.S. government grants.sbir.gov – This major U.S. government program for R&D funding is very important for tech and science startups. Kickstarter.com is a popular crowdfunding platform that is good for consumer products and creative startups.Indiegogo.com – Another widely known crowdfunding platform with a global reach.Techstars.com is a leading startup accelerator with great networking and funding opportunities.masschallenge.org – Global accelerator and competition offering equity-free funding.500 Global Flagship Accelerator Program – A top global startup accelerator.score.org – Provides free mentoring and resources for startups, highly recommended for early-stage businesses.