Question: Is there a content optimization platform that supports collaborative editing and multi-language support?

If you're looking for a full-fledged content optimization platform that supports collaboration and multiple languages, Surfer is a good option. This SEO tool automates research, writing, optimization and publishing of SEO-optimized content. It can handle multiple languages for content creation and offers collaboration tools like Surfy AI for real-time collaboration. Surfer also integrates with tools like Google Docs, WordPress and Contentful.

Another option is Frase, an AI-powered content optimization tool that helps you create SEO content more easily. Frase has a single workflow for research, outlining, writing and optimization, and includes tools like an AI-powered outline builder and a text editor that grades content based on how well it compares to competitors. It's collaborative and can be used with Google Docs and WordPress.

If you need a tool that works with multiple languages, KWHero is a sophisticated SEO tool that analyzes competitors, generates optimized content in more than 80 languages and includes detailed keyword research. It's got tools like SEO/NLP optimization and pass AI detection, so it's good for individuals and agencies. With several pricing tiers, KWHero can accommodate different needs and budgets.

Narrato is another heavy-duty platform that marries AI tools to try to make content creation easier. Among its features are an AI Content Genie for automatically generating content, content workflow automation and collaborative tools with task assignments and inline commenting. Narrato is geared for content marketers and teams trying to create high-performing content more quickly and efficiently.