Get in touch
Reach us by email or through our GitHub community.
General inquiries
Product questions, partnership discussions, or just to say hello.
hello@z4j.comSecurity
Report a vulnerability. Do not file a public issue. We follow the disclose.io baseline.
security@z4j.comLicensing
Commercial license inquiries for organizations with AGPL-incompatible policies.
licensing@z4j.comPrivacy
Data privacy questions or requests.
privacy@z4j.com Community
Join the conversation
z4j is built in the open. Development happens on GitHub.
Response times
Security reports: acknowledged within 48 hours, triaged within 5 business days.
General inquiries: we aim to respond within 3 business days.
GitHub issues: triaged weekly. Label
good first issue for new contributors.