Software from United Kingdom: 357 vendors in 90 categories
United Kingdom lies outside the EU and the EEA. Contracts and data also fall under non-European law; every vendor below has a page with European alternatives.
- vendors scored
- 357
- categories
- 90
- open source
- 64
- last checked
- 11 October 2026
Vendors, scored
Score per vendor: 0 = high exposure, 100 = sovereign
Sort
- Sovereignty score 79 out of 100ActivitiBPM & Workflow · Self-hosted / open source · owner in United States · open sourceOpen-source lightweight BPM and workflow engine for Java applications
- Sovereignty score 79 out of 100Adapt FrameworkE-learning Authoring · Self-hosted / open source · open sourceUK open-source, responsive e-learning authoring tool.
- Sovereignty score 79 out of 100BalenaIoT & Embedded · Non-EU vendor · open sourceBritish platform for managing and deploying IoT fleets on Linux devices
- Sovereignty score 79 out of 100BookStack (self-host)Project Management · Self-hosted / open source · open sourceSelf-hosted documentation and wiki platform
- Sovereignty score 79 out of 100BriarMessaging · Self-hosted / open source · open sourceBritish open-source peer-to-peer encrypted messenger via Tor
- Sovereignty score 79 out of 100BudibaseLow-code / No-code · Non-EU vendor · open sourceOpen-source low-code platform from the UK for building internal tools
- Sovereignty score 79 out of 100CKANData Governance & MDM · Self-hosted / open source · open sourceThe global open-source standard for data portals and catalogs, heavily used by European governments for open-data governance (incl. data.europa.eu, data.gov.uk, govdata.de). Governed by the Open Knowledge Foundation (UK).
- Sovereignty score 79 out of 100Collabora OnlineOffice & Productivity · Self-hosted / open source · open sourceUK-based enterprise LibreOffice-powered online office suite for self-hosting and cloud
- Sovereignty score 79 out of 100Concourse CIDevOps · Self-hosted / open source · open sourceOpen-source CI/CD system with container-based pipelines
- Sovereignty score 79 out of 100CountlyAnalytics · Non-EU vendor · open sourceBritish product analytics platform for mobile and web
- Sovereignty score 79 out of 100Element (Matrix)Messaging · Non-EU vendor · open sourceBritish secure messaging platform on the open Matrix protocol
- Sovereignty score 79 out of 100Element (Matrix)Collaboration · Non-EU vendor · open sourceDecentralised messaging based on the open Matrix protocol
- Sovereignty score 79 out of 100EximBusiness Email & Groupware · Self-hosted / open source · open sourceFlexible and highly configurable open-source Mail Transfer Agent, originating at the University of Cambridge (UK) and widely used in complex enterprise environments for advanced email routing. Community-maintained, no controlling company.
- Sovereignty score 79 out of 100FiderProduct Feedback & Roadmapping · Self-hosted / open source · open sourceUK open-source platform for collecting and prioritizing customer feedback via community voting.
- Sovereignty score 79 out of 100Flux CDDevOps · Self-hosted / open source · open sourceOpen-source GitOps tool for Kubernetes continuous delivery
- Sovereignty score 79 out of 100GDPR Cookie ComplianceConsent Management (CMP) · Self-hosted / open source · open sourceOpen-source WordPress plugin (GPL) for storing consent locally in your own database, free of external SaaS dashboards. Used on 300,000+ websites. Developed by Moove Agency (United Kingdom).
- Sovereignty score 79 out of 100LibreNMSNetwork & Monitoring · Self-hosted / open source · open sourceOpen-source network monitoring system with auto-discovery and alerting
- Sovereignty score 79 out of 100LightdashBusiness Intelligence · Non-EU vendor · open sourceOpen-source BI platform (MIT licence) that integrates directly with dbt: metrics and dimensions are defined once in dbt YAML and reused across dashboards. Developed by Lightdash Ltd. (London, UK).
- Sovereignty score 79 out of 100Lutra ConsultingGIS & Geospatial · Self-hosted / open source · open sourceUK-based QGIS specialist (registered office in Ashford, Kent, with an additional office in Slovakia) providing QGIS core development, consulting, training and support, plus the open-source Mergin Maps field-data platform (AGPL-3 and commercial licence) built on QGIS.
- Sovereignty score 79 out of 100LXDVirtualisation & Containers · Self-hosted / open source · open sourceUK container-and-VM hypervisor platform from Canonical (maker of Ubuntu).
- Sovereignty score 79 out of 100Matrix / SynapseCollaboration · Self-hosted / open source · open sourceMatrix homeserver; self-hostable.
- Sovereignty score 79 out of 100MeltanoData Integration & ETL · Non-EU vendor · open sourceOpen-source ELT platform for extracting and loading data with Singer taps
- Sovereignty score 79 out of 100ObserviumNetwork & Monitoring · Self-hosted / open source · open sourceNetwork monitoring platform with auto-discovery for switches, routers and servers
- Sovereignty score 79 out of 100OpenFOAMCAD & Engineering · Self-hosted / open source · owner in United States · open sourceOpen-source CFD toolbox for computational fluid dynamics simulation
- Sovereignty score 79 out of 100Pydantic AIAI Cowork · Self-hosted / open source · open sourceOpen-source Python agent framework from the Pydantic team (Pydantic Services Inc.) with typed outputs and durable execution; Logfire has an EU region.
- Sovereignty score 79 out of 100QuackbackProduct Feedback & Roadmapping · Self-hosted / open source · open sourceUK open-source (AGPL-3.0) customer-feedback platform with AI sentiment analysis (Nottingham).
- Sovereignty score 79 out of 100QuestDBDatabase & Data Management · Non-EU vendor · open sourceOpen-source time-series database for high ingestion speeds and SQL queries
- Sovereignty score 79 out of 100rclonePersonal Backup & Sync · Self-hosted / open source · open sourceOpen-source command-line tool for synchronising files with 70+ cloud providers
- Sovereignty score 79 out of 100ResourceSpaceDigital Asset Management · Self-hosted / open source · open sourceBritish open-source DAM for self-hosting, popular with museums, NGOs and public sector
- Sovereignty score 79 out of 100SaltcornLow-code / No-code · Self-hosted / open source · open sourceBritish open-source (MIT) no-code web-application builder for building database-driven websites and apps without writing a line of code.
- Sovereignty score 79 out of 100ShibbolethIdentity · Self-hosted / open source · open sourceOpen-source identity federation framework for SSO in education and government
- Sovereignty score 79 out of 100SimpleX ChatMessaging · Non-EU vendor · open sourceDecentralised messenger without user IDs for maximum privacy
- Sovereignty score 79 out of 100SnikketMessaging · Non-EU vendor · open sourceSimple XMPP messaging solution for families and small groups
- Sovereignty score 79 out of 100Stalwart MailBusiness Email & Groupware · Self-hosted / open source · open sourceModern open-source email server written in Rust with JMAP support
- Sovereignty score 79 out of 100StoatMessaging · Self-hosted / open source · open sourceUK open-source Discord alternative (Revolt Platforms Ltd, London) with servers, channels and voice, GDPR-compliant.
- Sovereignty score 79 out of 100SuiteCRMCRM · Non-EU vendor · open sourceOpen-source enterprise CRM forked from SugarCRM
- Sovereignty score 79 out of 100SwetrixAnalytics · Non-EU vendor · open sourceOpen-source, cookieless web analytics; company registered in the UK, hosting in Germany.
- Sovereignty score 79 out of 100Swetrix CAPTCHACaptcha & Bot Detection · Non-EU vendor · open sourcePrivacy-first, open-source proof-of-work verification tool (npm package @swetrix/captcha) by Swetrix Ltd, integrating seamlessly with their sovereign web-analytics platform. Registered in Edinburgh, UK; data hosted in the EU.
- Sovereignty score 79 out of 100TextpatternCMS · Self-hosted / open source · open sourceOpen-source CMS with focus on elegance, simplicity and performance
- Sovereignty score 79 out of 100Totara LearnE-learning Authoring · Self-hosted / open source · open sourceBritish (London) open-core enterprise LMS based on Moodle.
- Sovereignty score 79 out of 100UbuntuDesktop OS · Non-EU vendor · open sourcePopular Linux distribution developed by Canonical, suitable for desktop and server
- Sovereignty score 79 out of 100WagtailCMS · Self-hosted / open source · open sourceOpen-source CMS built on Django/Python with British origin
- Sovereignty score 79 out of 100WaterfoxBrowser · Self-hosted / open source · open sourceFirefox-based browser with focus on privacy and legacy extensions
- Sovereignty score 79 out of 100XerteE-learning Authoring · Self-hosted / open source · open sourceBritish open-source platform for creating interactive e-learning content
- Sovereignty score 79 out of 100XiboDigital Signage · Non-EU vendor · open sourceOpen-source digital signage content management system with scheduling capabilities
By category
- Fintech & Neobanks17 vendors
- HR11 vendors
- ESG & Sustainability10 vendors
- Scheduling & Booking10 vendors
- ERP & Finance9 vendors
- Legal Tech9 vendors
- Marketing9 vendors
- Payments9 vendors
- Video Streaming9 vendors
- Analytics7 vendors
- ITSM7 vendors
- AI6 vendors
- Cybersecurity6 vendors
- Digital Signage6 vendors
- E-learning Authoring6 vendors
- Network & Monitoring6 vendors
- Recruitment & ATS6 vendors
- SMS APIs6 vendors
- Consent Management (CMP)5 vendors
- DevOps5 vendors
- Domain Name Registrars5 vendors
- Education & LMS5 vendors
- Identity5 vendors
- Messaging5 vendors
- Process Mining & RPA5 vendors
- Procurement & Spend Management5 vendors
- Product Feedback & Roadmapping5 vendors
- Testing & QA5 vendors
- Personal Backup & Sync4 vendors
- Cloud IaaS4 vendors
- Collaboration4 vendors
- Compliance & GRC4 vendors
- Data Governance & MDM4 vendors
- Database & Data Management4 vendors
- Forms & Surveys4 vendors
- GIS & Geospatial4 vendors
- Helpdesk & Customer Service4 vendors
- Maps & Navigation4 vendors
- Music Streaming4 vendors
- Project Management4 vendors
- Virtualisation & Containers4 vendors
- AI Coding3 vendors
- AI Cowork3 vendors
- AI Security3 vendors
- Browser3 vendors
- Business Intelligence3 vendors
- Captcha & Bot Detection3 vendors
- CRM3 vendors
- Design3 vendors
- DNS Privacy & Filtering3 vendors
- E-commerce3 vendors
- Personal Health & DNA3 vendors
- IoT & Embedded3 vendors
- Office & Productivity3 vendors
- Desktop OS3 vendors
- Photo & Video3 vendors
- Supply Chain & Asset Management3 vendors
- Telephony & VoIP3 vendors
- Whiteboarding & Visual Collaboration3 vendors
- API Management2 vendors
- BPM & Workflow2 vendors
- CAD & Engineering2 vendors
- Cloud PaaS2 vendors
- CMS2 vendors
- Customer Data Platform (CDP)2 vendors
- Data Integration & ETL2 vendors
- Data Platform & Warehouse2 vendors
- Digital Asset Management2 vendors
- Business Email & Groupware2 vendors
- E-signatures2 vendors
- FinOps & Cloud Cost Management2 vendors
- Healthcare2 vendors
- Low-code / No-code2 vendors
- Network & Firewall Management2 vendors
- Remote Desktop & Support2 vendors
- Search Engines2 vendors
- Social Media2 vendors
- Transactional Email2 vendors
- Web Hosting2 vendors
- Writing Assistance & Grammar2 vendors
- CDN, DNS & Domains1 vendor
- Cloud Storage (Personal)1 vendor
- Document Management (DMS)1 vendor
- Endpoint & Device Management1 vendor
- Enterprise Search1 vendor
- Feature Flagging & Experimentation1 vendor
- Password Manager1 vendor
- Storage & Backup1 vendor
- Translation & Localisation1 vendor
- VPN1 vendor
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