Knotly
A practical knot reference app with 100 knots, search, favorites, safety notes and feedback.
iOS planned
Android planned
Reference app
Apps · security · practical systems
Focused digital tools, built with security in mind.
zyqero.com is the home for practical app projects, security aware web systems and focused digital products. First out is Knotly, a knot reference app for real-world use.
Apps and product surfaces.
Small enough to stay sharp, structured enough to grow. Knotly is the first public app surface.
More app concepts later
The app area is built so more tools can be added cleanly later. Business branding and customer profiles are kept as a later roadmap item, not part of the current build.
Future apps
Shared design
No rush
What zyqero is for.
Practical builds with clear boundaries, straightforward UX and security choices that make sense in operation.
1
Apps and product builds
Small, focused applications built around real use cases, clean interfaces and maintainable architecture.
2
Security aware design
Systems should avoid unnecessary data, protect sensitive metadata and make abuse handling practical.
3
Web and backend
PHP, MySQL, APIs, admin surfaces, deployment flows and operational routines that are easy to understand.
4
Practical AI tooling
AI used where it helps the workflow, not as decoration. The goal is useful automation and better decisions.
Security should be boring, visible and testable.
The feedback pipeline is the current example: avoid cleartext where possible, keep diagnostics short-term and block abuse by hash.
H
Hash-based blocking
Feedback sources can be blocked without needing to keep the original IP address visible in admin.
E
Encrypted diagnostics
IP and user agent can be kept encrypted for short-term troubleshooting, then removed by retention cleanup.
R
Retention by design
Scheduled cleanup removes sensitive diagnostic data after 30 days while keeping useful abuse-prevention hashes.
Legal and privacy pages are live.
The public site now documents the feedback model, cookies, retention and safety limitations for Knotly and zyqero.com.