tech from europe

OpenTalk

🇩🇪 DE · Free plan · paid from €7.50/user/mo

4.0/5· 1 reviews

Open-source video conferencing from Germany, built for public authorities and regulated sectors

EU hostedGDPROpen sourceFree plan
OpenTalk is hosted on EU servers and carries the BSI IT security label. It offers break-out rooms, audit-proof meeting logs and multi-moderator controls, features that meet the requirements of German public authorities and regulated industries. A free plan is available; paid plans follow per-user pricing.

Replaces

OpenTalk is sought as a European alternative to:

Features

Conference Management

  • Scheduling conferences via dashboard
  • Invitation function with integrated address book
  • Access restrictions for participants
  • Multi-person moderation
  • Moderator controls (mute all, manage speaking requests, assign speaking times)

Communication & Interaction

  • Video and audio conferencing
  • Chat and direct messaging
  • Breakout rooms for group discussions
  • Interactive whiteboard
  • Meeting minutes and protocols
  • Polls and surveys (including audit-proof and anonymous voting)
  • Roll-call feature
  • Talking stick for orderly speaking
  • Coffee break feature for moderated breaks

Recording & Streaming

  • GDPR-compliant conference recording
  • Streaming (Premium plan)

Accessibility & Connectivity

  • Telephone dial-in for participants with poor internet connection

Data Protection & Compliance

  • GDPR-compliant operation in German data centers
  • Data processing agreement included

Integration & Extensibility

  • Open and well-documented APIs for integration into existing platforms
  • Support for integration with user management systems
  • On-premises hosting option for custom features and data sovereignty

Pricing

Starter
Free per user / month
  • 10 conference rooms
  • Up to 5 participants
  • 30-minute max call length
  • Data processing agreement included
Standard
€7.50 per user / month
  • Unlimited conference rooms
  • Up to 50 participants
  • 240-minute max call length
  • Recording and 1 GB storage
Premium
€12.50 per user / month
  • Unlimited conference rooms
  • Up to 200 participants
  • Unlimited call length
  • Streaming, telephone dial-in, and subroom audio
Custom
On request
  • Custom features
  • On-premises hosting option

All prices exclude VAT. Annual billing available at a lower rate.

EU Trust Profile

2 of 9 criteria verified with evidence, last checked 2026-08-03. Every ✓ links to its source.

  • Data Processing Agreement (DPA)

    A Data Processing Agreement (DPA) can be signed directly in the cloud solution profile.

    Evidence →
  • Trust center / security page

    The security reports page provides information on security practices and vulnerability reporting.

    Evidence →
  • EU data residencyBerlin (DE)not verified

    Customer data is hosted on dedicated servers in Germany.

  • Public sub-processor list

    No public sub-processor list is available.

  • ISO 27001not verified
  • SOC 2not verified
  • BSI C5not verified
  • TISAXnot verified
  • German-language supportnot verified

Verified means: the claim was publicly documented at the linked source on the check date. The vendor's own information prevails.

Reviews

Recurring themes, synthesized from public reviews across portals.

What users value

  • Strong GDPR compliance and strict data protection with servers located in Germany
  • Comprehensive core feature set including chat, direct messaging, surveys, voting, and virtual workshops
  • Supports diverse communication needs for businesses, educational institutions, and public sector organizations
  • High trust among users due to transparent data handling and EU-based hosting
  • Reliable for standard video conferencing and team collaboration scenarios

Where users see room to improve

  • · User interface perceived as less polished and intuitive compared to major competitors
  • · Onboarding and initial setup may require more effort or clearer guidance
  • · Occasional performance issues or system responsiveness reported

Ratings across portals

Linked facts, we bring ratings from every portal together in one place.

Integrations

innovaphone App StoreOutlook (Premium plan plug-in)ownCloudManufacturing software systems (MRP, MES, ERP)

Feature, pricing and integration details are based on web research (as of 2026-06-21), without guarantee, errors are possible. The vendor's website prevails.