Growing an Indie Audience: Seeking Guidance from Experienced Creators

I recently launched a project: https://news.ycombinator.com/item?id=36956640

With continuous efforts to incorporate feedback, I've refined the homepage to clarify vague slogans and ambiguous product descriptions that were initially causing confusion about the product's purpose. This focused effort has paid off, and I've made my first sale!

However, I'm at a crossroads in terms of attracting a wider audience. As a newbie in the indie scene, I'm eager to hear from experienced folks.

What channels or strategies have worked for you? How did you grow your initial user base? Any insights would be invaluable.

Thank you!