Are there any diagramming and ideation platforms that focus on remote brainstorming sessions?

Yes — several diagramming and ideation platforms are built specifically for remote brainstorming and collaborative workshops. Here are some of the most popular ones:

Whiteboard / brainstorming platforms

• Miro – Very popular for remote workshops, brainstorming, mind mapping, sticky notes, and templates for facilitation.
• Mural – Similar to Miro, with strong emphasis on structured collaboration, design thinking, and workshop facilitation.
• FigJam – Figma’s collaborative whiteboard, good for brainstorming, affinity mapping, flowcharts, and lightweight ideation.
• Lucidspark – Designed for remote ideation and meeting facilitation; integrates well with Lucidchart for more formal diagramming.
• Whimsical – More minimal and lightweight; useful for quick brainstorming, flowcharts, mind maps, and wireframes.
• Microsoft Whiteboard – Good for teams already in Microsoft 365, though less specialized than Miro/Mural.

More structured ideation / workshop tools

• Stormboard – Focuses on sticky-note based collaboration and decision-making for teams and workshops.
• Conceptboard – Collaborative visual workspace with support for brainstorming and review sessions.
• Klaxoon – Built for remote workshops, interactive facilitation, and team engagement activities.
• Ayoa – Combines mind mapping, task management, and brainstorming.

If you want “remote brainstorming” specifically

The strongest fits are usually:

• Miro
• Mural
• FigJam
• Lucidspark
• Klaxoon

If you want, I can also give you:

1. a comparison table of the top tools,
2. recommendations by team size/use case, or
3. options that are best for free/low-cost use.