Best Unified Communications Software in 2026
Updated
In short: Rainbow is ranked #1 of 33 as of 4 October 2026, ahead of Dialpad Support and Sangoma PBXact. The best-ranked option with a free plan is Microsoft Teams. The lowest first paid tier on this page is Hubgets at $0.24/mo.
Teams handling several kinds of communication can compare these services by the mix of calling, messaging and meeting capabilities they support. Check business calling and SMS alongside team messaging and video meetings, then consider call recording and auto attendant for call workflows. Meeting participant limits, free-plan availability and paid-from pricing add practical comparison points. Rainbow, Dialpad Support and Microsoft Teams are among the named options. Map the listed features to your team's everyday communication needs, including whether you need video meetings and what participant capacity matters.
33 unified communications software ranked on what their makers publish — plans and prices, free tiers, platforms and the facts on their own pages.
Unified Communications Software, one module each. A lit port is something its maker publishes; 3 of the 25 on this page have a public API.
- 01 Rainbow API yesOSS not on recordFREE yesDOCS 7.2€2/mo
- 02 Dialpad Support API yesOSS not on recordFREE not on recordDOCS 6.7$8,095/mo
- 03 Sangoma PBXact API yesOSS not on recordFREE not on recordDOCS 6.7$1.66/mo
- 04 Microsoft Teams API not on recordOSS not on recordFREE yesDOCS 6.0$0.33/mo
- 05 Webex App API not on recordOSS not on recordFREE yesDOCS 5.9Free
- 06 3CX API not on recordOSS not on recordFREE yesDOCS 5.7$25/mo
- 07 Hubgets API not on recordOSS not on recordFREE yesDOCS 5.7$0.24/mo
- 08 Mitel Secure Cloud API not on recordOSS not on recordFREE not on recordDOCS 5.5
- 09 Zoom Workplace API not on recordOSS not on recordFREE not on recordDOCS 5.5
- 10 Zoom Scheduler API not on recordOSS not on recordFREE not on recordDOCS 5.4
- 11 Nextiva API not on recordOSS not on recordFREE not on recordDOCS 5.3$15/mo
- 12 UNIVERGE BLUE CONNECT API not on recordOSS not on recordFREE not on recordDOCS 5.3
- 13 Zultys MX API not on recordOSS not on recordFREE not on recordDOCS 5.3
- 14 AnyMeeting API not on recordOSS not on recordFREE not on recordDOCS 5.2$27.99/mo
- 15 CloudCall API not on recordOSS not on recordFREE not on recordDOCS 5.2$20/mo
- 16 GoTo Connect API not on recordOSS not on recordFREE not on recordDOCS 5.2
- 17 Mitel One API not on recordOSS not on recordFREE not on recordDOCS 5.2
- 18 Alcatel-Lucent Enterprise Rainbow API not on recordOSS not on recordFREE not on recordDOCS 5.1
- 19 Broadvoice Cloud PBX API not on recordOSS not on recordFREE not on recordDOCS 5.1$10/mo
- 20 GoContact API not on recordOSS not on recordFREE not on recordDOCS 5.1$75/mo
- 21 Mitel MiCollab API not on recordOSS not on recordFREE not on recordDOCS 5.1
- 22 net2phone UNITE API not on recordOSS not on recordFREE not on recordDOCS 5.1$19.99/mo
- 23 Ooma Office API not on recordOSS not on recordFREE not on recordDOCS 5.1
- 24 Phone.com API not on recordOSS not on recordFREE not on recordDOCS 5.1
- 25 uContact API not on recordOSS not on recordFREE not on recordDOCS 5.1$59.99/mo
Compare all 25 in a table
| # | Platform | Score | Free plan | From | Free plan | Paid from | Business calling | Team messaging |
|---|---|---|---|---|---|---|---|---|
| 1 | Rainbow | 7.2 | Free plan | €2/mo | Yes | — | Yes | Yes |
| 2 | Dialpad Support | 6.7 | No | $8,095/mo | No | 15 /user/mo | Yes | Yes |
| 3 | Sangoma PBXact | 6.7 | No | $1.66/mo | — | — | Yes | Yes |
| 4 | Microsoft Teams | 6.0 | Free plan | $0.33/mo | Yes | — | — | — |
| 5 | Webex App | 5.9 | Free plan | Free | Yes | — | — | — |
| 6 | 3CX | 5.7 | Free plan | $25/mo | Yes | — | — | — |
| 7 | Hubgets | 5.7 | Free plan | $0.24/mo | Yes | 2.5 /user/mo | — | — |
| 8 | Mitel Secure Cloud | 5.5 | No | — | — | — | Yes | Yes |
| 9 | Zoom Workplace | 5.5 | No | — | Yes | 15.99 /user/mo | — | — |
| 10 | Zoom Scheduler | 5.4 | No | — | Yes | 15.99 /user/mo | — | — |
| 11 | Nextiva | 5.3 | No | $15/mo | — | 15 /user/mo | — | — |
| 12 | UNIVERGE BLUE CONNECT | 5.3 | No | — | — | — | Yes | Yes |
| 13 | Zultys MX | 5.3 | No | — | — | — | Yes | Yes |
| 14 | AnyMeeting | 5.2 | No | $27.99/mo | No | 27.99 /user/mo | — | — |
| 15 | CloudCall | 5.2 | No | $20/mo | No | 15 /user/mo | — | — |
| 16 | GoTo Connect | 5.2 | No | — | No | — | — | — |
| 17 | Mitel One | 5.2 | No | — | — | — | Yes | Yes |
| 18 | Alcatel-Lucent Enterprise Rainbow | 5.1 | No | — | Yes | — | Yes | Yes |
| 19 | Broadvoice Cloud PBX | 5.1 | No | $10/mo | No | 10 /user/mo | — | — |
| 20 | GoContact | 5.1 | No | $75/mo | No | 10 /user/mo | — | — |
| 21 | Mitel MiCollab | 5.1 | No | — | — | — | Yes | Yes |
| 22 | net2phone UNITE | 5.1 | No | $19.99/mo | No | 19.99 /user/mo | — | — |
| 23 | Ooma Office | 5.1 | No | — | No | — | — | — |
| 24 | Phone.com | 5.1 | No | — | No | — | — | — |
| 25 | uContact | 5.1 | No | $59.99/mo | No | 19.99 /user/mo | — | — |
Is your platform on this list?
Numbered spots on this list can be sponsored, and a sponsored row is labelled as paid.
Questions about this list
Which unified communications software is ranked first on Inferse?
Rainbow is ranked #1 of 33 with a score of 7.2. Dialpad Support is second and Sangoma PBXact third.
How many of these have a free plan?
5 of the 25 on this page publish a free plan on their own pricing pages.
Which is the cheapest paid option?
On this page, Hubgets has the lowest first paid tier we found: $0.24/mo.
How is this list ranked?
Ranked on what each maker publishes, open and connectable first: a public API, open-source code, the depth of its documentation and a free tier to try it on. Model lists are sorted by the figure in their title, exactly as each provider publishes it.