1. Deployment Options: Dimer offers both self-hosted and cloud-based deployment options, while Read the Docs is primarily a cloud-based service with limited self-hosting capabilities.
2. Customization Features: Dimer provides more flexibility in terms of customization options for documentation themes and layouts compared to Read the Docs.
3. Supported Languages: Dimer supports a wider range of programming languages and documentation formats than Read the Docs, making it suitable for diverse projects.
4. Collaboration Tools: Read the Docs offers more robust collaboration tools such as user permissions, version control integration, and team management features, while Dimer focuses more on documentation creation and design.
5. Cost Structure: Dimer has a different pricing model compared to Read the Docs, with varying pricing tiers based on usage and features offered.
6. Support and Documentation: Read the Docs has a more extensive help center, documentation, and community support resources available compared to Dimer, which may impact user experience and troubleshooting.

In Summary, Dimer and Read the Docs differ in deployment options, customization features, supported languages, collaboration tools, cost structure, and support resources available.