HSIM
Electronic edition · ISBN 978-1-0483-5447-8
HSIM examines differences between formal procedures and everyday practice, including workarounds, repeated exceptions and gaps in accountability.
Read about HSIM
Jessica de Lange
Software and written work by Jessica de Lange. Projects include Zeeti CV, Zeeti Lighthouse and the Human Systems Integrity Model.
Projects
Applications, frameworks and other development work.
Career tools
Open Zeeti CV →Zeeti CV
A CV tool for organising work history and preparing a CV for a job application.
Application
Open Lighthouse →Zeeti Lighthouse
An eight-battery check-in, non-diagnostic pattern reflection and an Evidence Vault for recording concrete experiences. The local version stores notes on the device and includes scripts for asking for support.
Conceptual framework
Read the framework →Human Systems Integrity Model
Electronic edition · ISBN 978-1-0483-5447-8
A model of the gap between formal systems and lived practice. Its twelve connected concepts examine workarounds, tolerated exceptions and accountability, then ask what keeps those patterns in place.
Application
Read about the system →Private communication dashboard
A shared dashboard for explicitly reported capacity, availability and plans. The implementation combines Firebase authentication with a Python API and separate private and shared records.
Human Systems Integrity Model
A framework created by Jessica de Lange.