Compare klaxoon and SOGo on pricing, features, platforms, and ratings — both Collaboration tools, Freemium with a $24.90/host/month Starter plan (billed…
At a Glance
klaxoon
SOGo
Primary category
Collaboration
Collaboration
Rating
Not documented
Not documented
Pricing model
Freemium with a $24.90/host/month Starter plan (billed annually) and custom-quote Enterprise tier
open-source
Starting price
Not documented
Free
Free plan
Not documented
Not documented
Free trial
Not documented
Not documented
Platforms
Not documented
Web, iOS, Android
Team collaboration
Not documented
Not documented
AI features
Yes
Not documented
Public API
Not documented
Yes
Pricing Compared
Starting price reflects the lowest paid tier, not the full cost for every team size or usage level.
klaxoon
No individual plan breakdown documented yet.
SOGo
Self-Hosted (Open Source) — Free N/A
Commercial Support (via Alinto) — Custom pricing Contract
Pros & Cons
klaxoon
Pros
Large library of 200+ ready-to-use templates for agile ceremonies, retrospectives, and workshops
AI features (summarize, classify, translate, generate action plans) included on paid plans
Deep native integrations with Microsoft Teams, Google Workspace, Jira, Wrike, and Adobe Creative Cloud
Enterprise-grade admin controls including SAML 2.0 SSO and data residency options (EMEA/US)
Backed by Wrike/Citrix following the 2025 acquisition, adding task-management workflow continuity
Cons
Free plan is very limited (1 open activity, 5 editing participants, 500 MB storage)
Enterprise pricing is custom/quote-based, requiring a sales conversation for full feature access
AI features are capped by monthly action quotas, with extra usage sold as add-on packages
Recent rebrand to "Klaxoon by Wrike" may create uncertainty about the product's long-term standalone roadmap
SOGo
Pros
Free and open source with no per-user licensing cost for the core server
Broad native client support through CalDAV, CardDAV, and ActiveSync
Integrates with existing LDAP, Active Directory, and IMAP infrastructure
Proven at scale in production environments with thousands of mailboxes
Active commercial steward (Alinto) available for organizations that want paid support
Cons
Requires in-house IT expertise or a paid support contract to install, secure, and maintain
Web interface looks dated compared to modern SaaS email clients
No official cloud-hosted SaaS version directly from the core project, only third-party hosting
Documentation can be technical and geared toward system administrators rather than end users
Use Cases
klaxoon
SOGo
Self-Hosted Business Email — Small and mid-size businesses replace hosted email suites with a self-hosted SOGo server for full control over data and infrastructure.
ISP and Hosting Provider Webmail — Hosting providers deploy SOGo to offer webmail, calendar, and contact services to thousands of customer mailboxes across multiple domains.
Exchange Alternative for Regulated Industries — Organizations with data residency or compliance requirements use SOGo to keep email and calendar data on infrastructure they control.