Best Rainbow Alternatives in 2026
Updated
20 apps from unified communications software ranked against Rainbow on the same published basis.
- 1Rainbow vs Microsoft Teams
- 2Rainbow vs 3CX
- 3Rainbow vs Hubgets
- 4Rainbow vs Webex App
- 5Rainbow vs Alcatel-Lucent Enterprise Rainbow
- 7Rainbow vs eztalks
- 8Rainbow vs Zoom Scheduler
- 9Rainbow vs Zoom Workplace
- 10Rainbow vs Mitel Secure Cloud
- 11Rainbow vs Zultys MX
- 12Rainbow vs UNIVERGE BLUE CONNECT
- 13Rainbow vs Mitel MiCollab
- 14Rainbow vs Mitel One
- 15Rainbow vs Mitel OpenScape Business
- 16Rainbow vs Avaya IP Office
- 17Rainbow vs Broadvoice Cloud PBX
- 18Rainbow vs Dialpad Support
- 19Rainbow vs Nextiva
- 20Rainbow vs Sangoma PBXact
- 21Rainbow vs Wildix
Rainbow alternatives compared
| # | App | Score | Free plan | From | Runs on |
|---|---|---|---|---|---|
| 1 | Microsoft Teams | 6.8 | Free plan | $0.33/mo | Android, iOS, Linux, Mac, Web, Windows |
| 2 | 3CX | 6.7 | Free plan | $25/mo | Web, Windows, Linux, iOS, Android, Mac |
| 3 | Hubgets | 6.7 | Free plan | $0.24/mo | Android, API, iOS, Mac, self-hosted, Web, Windows |
| 4 | Webex App | 6.7 | Free plan | Free | Android, iOS, Mac, Web, Windows |
| 5 | Alcatel-Lucent Enterprise Rainbow | 6.6 | Free plan | Free | Android, API, iOS, Mac, Web, Windows |
| 7 | eztalks | 6.3 | Free plan | Free | Web |
| 8 | Zoom Scheduler | 5.8 | Web, Windows, Mac, Linux, iOS, Android | ||
| 9 | Zoom Workplace | 5.8 | Android, Browser, iOS, Linux, Mac, Web, Windows | ||
| 10 | Mitel Secure Cloud | 5.7 | Android, iOS, Mac, Web, Windows | ||
| 11 | Zultys MX | 5.7 | Android, iOS, Linux, Mac, self-hosted, Web, Windows | ||
| 12 | UNIVERGE BLUE CONNECT | 5.6 | Android, iOS, Mac, Web, Windows | ||
| 13 | Mitel MiCollab | 5.5 | Android, iOS, Mac, Web, Windows | ||
| 14 | Mitel One | 5.5 | Android, iOS, Mac, Web | ||
| 15 | Mitel OpenScape Business | 5.5 | Android, iOS, Mac, Web, Windows | ||
| 16 | Avaya IP Office | 5.4 | Android, iOS, Mac, Windows | ||
| 17 | Broadvoice Cloud PBX | 5.3 | No | $10/mo | Android, iOS, Mac, Web, Windows |
| 18 | Dialpad Support | 5.3 | No | $8,095/mo | Android, API, Browser, iOS, Mac, Web, Windows |
| 19 | Nextiva | 5.3 | No | $15/mo | Android, Browser, iOS, Linux, Mac, Web, Windows |
| 20 | Sangoma PBXact | 5.3 | No | $1.66/mo | Android, API, iOS, Mac, self-hosted, Web, Windows |
| 21 | Wildix | 5.3 | Web, Windows, Mac, Linux, iOS, Android |
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Questions about Rainbow alternatives
What is the best alternative to Rainbow?
Microsoft Teams, number 1 in unified communications software with a score of 6.8 out of 10. The others here: 3CX, Hubgets, Webex App and 16 more.
What is the best free alternative to Rainbow?
Microsoft Teams is the best-ranked alternative with a free plan. 6 of the 20 alternatives here publish a free plan on their own pricing pages.
How are these alternatives ranked?
Ranked free-and-open first: a usable free tier and open-source code, then the platforms it runs on and its documentation.