How about this:
https://www.proboards.com/free-forum-features
ProBoards Features
Free — What else needs to be said?
Easy to use — Our free forums are easy to use, set up, moderate, administrate, and customize.
No Size Limit — With ProBoards, you can create as many categories, boards, members, threads, topics and posts as you like. There's no limit. We like busy forums!
Customizable — Create a unique and wondrous place with the best customization tools of any free forum.
Mobile App — Android or iPhone; Now members can stay connected when they're on-the-go. We're the only online free forum service supported by our own mobile app!
Simple Admin Tools — With our super simple admin tools, managing a forum has never been easier! You'll like the clean organization of our easy to use admin area with clear language and a simple layout.
YouTube Embedding — Now members can share their favorite YouTube clips and embed them directly into discussion posts.
Upload Files — Share files with other forum members (music, pictures, documents, etc); Upload attachments directly into topic posts.
Best 24/7 support — We're here to help 24/7 with our Getting Started Guide, our detailed Help Guide, and the best support community on the Internet.
Remotely Hosted — No software, no installation, no downloads. We'll take care of the technical stuff for you. Just sign up and go!
Unlimited Bandwidth — ProBoards doesn't place any limits on bandwidth usage for your community.
Scalable — Whether your group is a dozen of your closest friends or millions of people, ProBoards free forums will scale to accommodate any size community!
Top Moderation Tools — As forum moderating can often be a delicate job, ProBoards provides effective tools for moderators to discuss issues and render decisions beyond the view of other forum members.
Premium Features — We offer additional premium forum options including the ability to use your own custom domain name, remove advertising from your forum, and the ability to change your forum URL.