- Open Poiesis – collection of tools and libraries for developing applications for systems thinking, dynamical systems modelling and simulation.
- PoieticCore: Swift library for systems modelling.
- PoieticFlows – Stock and Flow domain model for PoieticCore library. Includes the Poietic command-line tool for working with models and running simulations.
- Cubes – lightweight Python OLAP library and server (not maintained)
- Expressions – arithmetic expression parsing and conversion (not maintained)
- Bubbles – Python ETL library (not maintained)
- StepTalk – Smalltalk Scripting for Objective C and GNUstep
- Sepro18 – experimental toolkit for biochemistry inspired graph-based simulation