Applications
Focused tools for engineers and architects — diagram-as-code, subnet and IPv6 planning, and DNS and network diagnostics.
Professional technical diagrams from plain text — architecture, network, cloud, and security. 28 diagram kinds, 350+ vendor icons, network operational intelligence, and import from Mermaid, DOT, PlantUML & D2. Deterministic SVG, right in your browser.
Intuitive document editor for drafting legal and professional documents — agreements, notices, and letters. Automatic numbering, version timeline, guided fill, and clean PDF export.
Plan and manage IPv4 and IPv6 subnets. Calculate network addresses, host ranges, detect overlaps, and organise your IP address space.
Diagnose DNS, HTTP/HTTPS, email authentication, CDN, ASN, and port health for any domain, URL, hostname, or IP address. Get a health score and remediation guidance.
Run live ping, traceroute, tracepath, and MTR checks against any domain, hostname, or IP address from a dedicated diagnostics host.