Php-residence is an open source program designed to manage daily or weekly rental of house apartments or hotel rooms. It uses a PostgreSQL or MySQL database on backend. Reservations can be assigned to an apartment automatically with user defined rules. Templates of forms to check availability for internet sites can be created. Multi-user with privileges system.

Modeling software to simulate the chemical kinetics and equilibrium of combustion (isobaric/isochoric), nuclear, catalyst reactor (CSTR) and enzyme reactions. Software can also fit/regress any parameters against chemical data with confidence bands/uncertainty analysis. Can also output normalized sensitivity analysis matrices and compute cluster & metabolic control analysis.