Eidos Features
Everything you need to build, visualize, and share knowledge models
11 View Modes
Visualize your way
Secure Sign-In
Multiple providers
Collaborate
Real-time teamwork
Accessible
Everyone can use
Ontology Management
- Complete CRUD operations
- Rich metadata support
- Provenance tracking (Fork/Clone)
- Lineage visualization
- Multi-ontology support
- Quick-start templates
Concept Management
- Comprehensive metadata
- Visual graph positioning
- Custom templates
- BFO-aligned templates
- Quick duplication
- Advanced search
Relationship Management
- 17+ standard types (RDF, OWL, BFO, RO)
- Custom labels
- Relationship strength (0.0-1.0)
- Ontology URI mapping
- Smart suggestions
Multiple View Modes
- Graph View (D3.js force-directed)
- List View (tabular with search)
- TTL View (Turtle export)
- Notes View (Markdown)
- Templates View
Authentication
- ASP.NET Core Identity
- OAuth 2.0 (GitHub, Google, Microsoft)
- Secure session management (24h)
- Strong password requirements
- Account lockout (5 attempts, 15min)
Infrastructure Security
- HTTPS enforcement + HSTS
- 6 Security headers (CSP, XSS, etc.)
- Rate limiting (4 endpoint rules)
- Azure Key Vault integration
- Managed Identity support
Authorization & Permissions
- Role-based access control (RBAC)
- 4 user roles (Admin, PowerUser, User, Guest)
- Ontology permissions (Private, Group, Public)
- 3 permission levels (View, Edit, Admin)
- Group-based access control
Group Management
- User groups with membership management
- Group-based ontology access
- Fine-grained permission levels per group
- Permission inheritance and hierarchy
- Real-time permission updates
Comprehensive Security Auditing: Login tracking, lockouts, password changes, rate limit violations, unauthorized access attempts, permission changes, and more
SignalR Integration
- OntologyHub for collaborative editing
- User presence tracking
- Permission verification
- Group-based broadcasting
- Guest support via share links
Sharing & Permissions
- Secure share links (crypto tokens)
- 4 permission levels (View, Comment, Edit, Admin)
- Group-based permissions with UI management
- Guest access control
- Time-based expiration
- Access tracking & analytics
Keyboard Navigation (14+ Shortcuts)
- ? Show shortcuts dialog
- Esc Close dialogs
- Alt+G/L/T/N/P Switch views
- Ctrl+K/R/I Add concept/relationship/import
- Ctrl+Z/Y Undo/Redo
- Ctrl+F Focus search
Visual Accessibility
- 20+ ARIA attributes and roles
- Color contrast (WCAG standards)
- Focus indicators on all elements
- Screen reader support
- Text scaling (50-150%)
- Semantic HTML5
Undo/Redo System
- 6 command types
- Stack-based history (max 50)
- Per-ontology scoping
- State change events
- Keyboard shortcuts (Ctrl+Z/Y)
Import/Export (5 Formats)
- TTL (Turtle) - Standard RDF
- JSON - Structured data
- CSV - Concepts
- CSV - Relationships
- CSV - Full ontology
W3C Standards
- RDF - Resource Description Framework
- RDFS - RDF Schema
- OWL - Web Ontology Language
- Turtle (TTL) - RDF serialization
- Standard URIs
Security Standards
- OAuth 2.0
- HTTPS/TLS
- HSTS
- CSP - Content Security Policy
- OWASP recommendations
Ontology Standards
- BFO - Basic Formal Ontology
- PROV-O - Provenance ontology
- RO - Relation Ontology
- Standard relationship URIs
Reliable & Secure
Eidos is designed for professional use with attention to quality and user experience:
- Secure by default - Industry-standard OAuth 2.0 authentication with multiple providers, role-based access control, and comprehensive security auditing
- Accessible to everyone - WCAG 2.1 compliant with full keyboard navigation and screen reader support
- Flexible visualization - Multiple view modes, real-time collaboration, and responsive design for any device
- Standards compliant - Follows W3C, OWASP security recommendations, and established ontology standards
- Thoroughly tested - Comprehensive quality assurance ensures reliable performance