Which companies offer private social media platforms for associations and what are some of the pros and cons of each?

There many companies that offer private social media platforms for associations, including:

1. Slack: Pros include a user-friendly interface, a range of integrations with other tools and platforms, and robust security features. Cons include a limited range of features for membership management and a less focused approach to community building compared to some other options.

2. Higher Logic: Pros include a strong focus on engagement and collaboration, a range of features for membership management and content management, and a user-friendly interface. Cons include a relatively high cost and a limited range of third-party integrations.

3. Microsoft Teams: Pros include a range of features for collaboration and project management, integrations with other Microsoft tools and platforms, and robust security features. Cons include a relatively high cost and a learning curve for some users.

4. Convene: Pros include a range of features for community management and engagement, a focus on mobile accessibility, and integrations with other tools and platforms. Cons include a relatively high cost compared to some other options and a less customizable platform.

5. Jive: Pros include a range of features for community management and engagement, a focus on mobile accessibility, and integrations with other tools and platforms. Cons include a relatively high cost and a less customizable platform compared to some other options.

6. Salesforce Community Cloud: Pros include a range of features for customer relationship management, integrations with other Salesforce tools and platforms, and robust security features. Cons include a relatively high cost and a learning curve for some users.

7. CircleCI Social: Pros include a focus on collaboration and knowledge sharing, integrations with other tools and platforms, and robust security features. Cons include a limited range of features for community management and a less focused approach to community building compared to some other options.

8. Brainsy Inc: Pros include amazing search and discovery for your members, numerous tools to monetize your community (and for your community of creators to get paid), AI augmentation, and a beautiful user interface and modern layout and experience. Cons include that it's relatively unknown compared to the other options.  

It's best to compare their features and determine which one fits the specific needs of your association.