Side by side
OpenBoard vs Slido
Both stand on interactive classroom software. Which one you can start free with, which one lets you read the code, and what each costs once you pay.
Free plan LinuxMacWindows
Visit OpenBoard 
Free plan Web
Slido offers polls, Q&A, quizzes, and related audience activities with integrations and response exports. The Basic plan is free, while plan details and participant capacities differ across listed options.
Visit SlidoThe facts
| OpenBoard | Slido | |
|---|---|---|
| Free plan | Yes | Yes |
| Open source | Not published | Not published |
| Runs on | Linux, Mac, Windows | Web |
| Lowest paid plan | Free or on request | Free or on request |
| Plans published | 1 | 5 |
| Maker | Not published | Slido |
| Website | openboard.ch | slido.com |
| On interactive classroom software | #25 of 27 | #21 of 27 |
OpenBoard: what it does well
Slido: what it does well
- Participants join without logins or downloads
- Supports anonymous questions and question voting
- Integrates with PowerPoint, Google Slides, Webex, Teams, and Zoom
- Analytics can export questions and voting results
What to know first
- Engage is listed for 200 participants
- Enterprise allows up to 5,000 participants
- Paid option is listed at €15 per month
Alternatives to OpenBoard Alternatives to Slido The whole list