Rocket.Chat
Whimsical
| Feature | Rocket.Chat | Whimsical |
|---|---|---|
| Pricing | Free / from $4/mo | Free / from $10/mo |
| Free Plan | ✓ Yes | ✓ Yes |
| Rating | 4.1 / 5 | 4.5 / 5 |
| Best For | developers, self-hosted-teams, enterprises, customer-support-teams | product-managers, designers, startups, remote-teams |
| Founded | 2015 | 2017 |
| Channels | ✓ | ✗ |
| Direct Messaging | ✓ | ✗ |
| Video Conferencing | ✓ | ✗ |
| Omnichannel | ✓ | ✗ |
| Marketplace | ✓ | ✗ |
| Federation | ✓ | ✗ |
| Flowcharts | ✗ | ✓ |
| Wireframes | ✗ | ✓ |
| Mind Maps | ✗ | ✓ |
| Sticky Notes | ✗ | ✓ |
| Ai Suggestions | ✗ | ✓ |
| Docs | ✗ | ✓ |
✓ Rocket.Chat Pros
- Fully open-source
- Self-hosted option
- Omnichannel customer support
- Highly customizable
✗ Rocket.Chat Cons
- Requires server resources to self-host
- Less polished than Slack
- Plugin quality varies
✓ Whimsical Pros
- Fast and intuitive
- Great for wireframes
- Clean interface
- AI features
✗ Whimsical Cons
- Limited free boards
- No real-time video
- Fewer templates than Miro
The Verdict
Rocket.Chat is built for developers and self hosted teams, with a focus on channels and direct-messaging. Whimsical targets product managers and designers and leads with flowcharts and wireframes.
On pricing, Rocket.Chat is the clear winner for budget-conscious users — starting at $4/mo compared to $10/mo for Whimsical. That $6/mo difference adds up quickly for growing teams.
Both offer free plans, so you can test each with your real workflow before committing to a subscription.
Whimsical edges out on user ratings (4.5 vs 4.1). While both are well-regarded, that gap reflects real differences in user satisfaction worth considering.
Bottom line: Whimsical has a slight overall edge — but if fully open-source matters most to you, Rocket.Chat may still be the right call.