- Flowhub -- browser-based visual programming IDE for NoFlo and other flow-based systems
- noflo-nodejs -- command-line interface for running NoFlo programs on Node.js
- MsgFlo -- for running NoFlo and other FBP runtimes as a distributed system. NoFlo support via noflo-runtime-msgflo
- fbp-spec -- data-driven tests for NoFlo and other FBP environments
- flowtrace -- tool for retroactive debugging of NoFlo programs. Supports visual replay with Flowhub
See also the list of reusable NoFlo modules on NPM.