If you're looking for a PartyKit alternative, Replit is a good option. It's a cloud-based service for building, sharing and deploying software, with support for many programming languages and deployment choices. Replit has collaboration tools for online and offline work, AI-powered code generation and secure deployment options, too. It's a good all-purpose choice for real-time collaboration projects.
Another option is Vercel, a full-stack service for deploying and managing fast, personalized web apps. It's got zero-config infrastructure, real-time commenting for pre-production collaboration, and strong security. Vercel has flexible pricing and supports a range of frameworks, so it's good for developers and teams of all sizes who want to build web apps that scale.
If you want a no-code option, Bubble offers a full-fledged platform for building and deploying production apps without writing code. It's got a drag-and-drop editor, AI-generated pages and scalable hosting. Bubble supports real-time collaboration with up to 40 collaborators, and it's got a range of pricing plans for solo developers and enterprise teams.
If you're more interested in adding real-time collaboration abilities to your products, Liveblocks is worth a look. It's got a collection of collaborative tools, including presence, commenting and document editing, that can be used with popular frontend frameworks. Liveblocks has developer-friendly tooling and customizable pricing plans, so it's a good choice for apps that need high-performance collaboration.