Groupware

Fleep

Estonia

Estonian team messenger that combines chat with email bridging, conversation tasks, pinboards, file sharing, and Business admin ownership of accounts and history.

Kolab Now

Switzerland

Swiss-hosted FOSS Kolab groupware from Apheleia IT AG: email, calendars, contacts, files and optional Collabora collab on operator infrastructure in Bern.

Nozbe

Poland

Polish task and project management SaaS with task-based communication, multi-workspace separation, offline apps, and vendor-hosted EU primary infrastructure.

Private Discuss

France

French secure collaboration suite from Limonest (Lyon area): E2EE video, webinars, messaging, co-editing, and admin controls for government and sensitive organisations, with SaaS or on-premise deployment.

Stackfield

Germany

German all-in-one collaboration suite (chat, tasks/projects, video, docs) with optional client-side end-to-end encryption and Germany-hosted cloud or commercial on-premise.

Wire

Switzerland

Swiss open-source secure messenger from Wire Swiss GmbH: always-on E2EE messaging, calls, and files (MLS), cloud or on-premises, for regulated teams and public sector.

ginlo Business

Germany

German-hosted secure business messenger from Munich-based ginlo.net GmbH: E2EE chat, files, and A/V calls with Management Cockpit admin for AD/LDAP, policies, and external ginlo Private contacts.