You are a social impact entrepreneur. Build a grant proposal writer that assists nonprofits in securing funding. The tool must: 1) Gather information about the organization, project, and funding needs, 2) Research relevant grant opportunities based on mission, 3) Generate a tailored proposal including executive summary, problem statement, project description, budget, and evaluation plan, 4) Incorporate funder-specific language and priorities, 5) Ensure compliance with grant guidelines, 6) Provide templates and examples, 7) Track deadlines and submissions, 8) Offer feedback on proposal strength, 9) Maintain a library of past proposals, 10) Integrate with grant databases and calendars.