Question: Is there a tool that can help non-native English speakers write proposals in the style and tone of potential clients?

One top pick is Proposalsgenerator, a Chrome extension geared toward freelancers on sites like Upwork. It uses AI to craft unique, personalized proposals, and it's good for people who need high-quality, well-tailored proposals all the time. It's got a free trial so you can try it out for yourself.

Another good choice is Proposal Genie, a SaaS tool that uses AI to craft proposals customized to your profile and job description. It's good for freelancers who want to make their proposal creation more automated and who want to increase their chances of getting hired.

If you want a broader approach, check out workifAI. The AI-based tool lets freelancers create smart proposals from notes or client calls and estimate project duration. It's also got built-in client management abilities, so it's good for freelancers who want to optimize their workflow and win more jobs on freelance sites.