If you want to connect with other solopreneurs and makers for cross-promotion and community building, Ceeya is a powerful option. It's geared specifically for business coaches, growth hackers, writers and other creators, with a lot of features to help you build your personal brand. That includes everything from AI-generated content to customizable content cards and the ability to monetize your services. Ceeya lets you build a personal brand and a community of like-minded people who can cross-promote.
Another good option is Heyscribe, which offers a full suite of tools to manage and monetize work-in-progress content. The tools include project planning, crowdfunding and sales of exclusive content. By creating a steady revenue stream, Heyscribe lets creators build a better relationship with their audience and other creators, which should make it easier to cross-promote.
Although not specifically geared for community building, FounderPal offers an AI-powered suite of marketing tools that can help solopreneurs get their marketing in order. With a variety of tools to generate marketing plans, find ideal customers and create business plans, FounderPal can help solopreneurs free up time to focus on their business and potentially lead to more opportunities for cross-promotion.