1. Customization Options: HumHub provides extensive customization options for users to tailor the platform to their specific needs, including themes, modules, and widgets. On the other hand, Mention offers more limited customization capabilities compared to HumHub.

2. Social Networking Capabilities: HumHub focuses on creating a social intranet, allowing users to connect and collaborate within their organization. In contrast, Mention is primarily used for social media monitoring and listening, helping users track online mentions of their brand or keyword.

3. Collaboration Features: HumHub offers advanced collaboration features such as file sharing, activity streams, and discussion forums to facilitate communication and teamwork. Mention, on the other hand, emphasizes monitoring and analyzing online conversations about a brand or topic.

4. Target Audience: HumHub is designed for businesses and organizations looking to create an internal social network for employees to collaborate and communicate. Mention, on the other hand, is more suited for marketing professionals and businesses wanting to monitor their online presence and brand reputation.

5. Integration Capabilities: HumHub offers a wide range of integrations with third-party tools and services, enhancing its functionality and capabilities. In comparison, Mention may have less integration options available, especially for in-depth collaboration or communication features.

6. Data Analysis Tools: HumHub includes tools for analyzing user engagement, content performance, and other metrics to help organizations make informed decisions. Mention, on the other hand, focuses on providing analytics related to online mentions and social media activities.

In Summary, HumHub is more focused on creating a collaborative environment within organizations with extensive customization and collaboration features, while Mention is tailored towards social media monitoring and online brand reputation management.