# Addons A collection of third-party jecs addons made by the community. If you would like to share what you're working on, [submit a pull request](https://github.com/Ukendio/jecs)! # Development tools ## [jabby](https://github.com/alicesaidhi/jabby) A jecs debugger with a string-based query language and entity editing capabilities. ## [jecs_entity_visualiser](https://github.com/Ukendio/jecs/tree/main/addons/entity_visualiser) A simple entity and component visualiser in the output ## [jecs_lifetime_tracker](https://github.com/Ukendio/jecs/tree/main/addons/lifetime_tracker) A tool for inspecting entity lifetimes # Helpers ## [jecs_observers](https://github.com/Ukendio/jecs/tree/main/addons/observers) Observers for queries and signals for components # Schedulers ## [lockstep scheduler](https://gist.github.com/1Axen/6d4f78b3454cf455e93794505588354b) A simple fixed step system scheduler. ## [rubine](https://github.com/Mark-Marks/rubine) An ergonomic, runtime agnostic scheduler for Jecs ## [jam](https://github.com/revvy02/Jam) Provides hooks and a scheduler that implements jabby and a topographical runtime ## [planck](https://github.com/YetAnotherClown/planck) An agnostic scheduler inspired by Bevy and Flecs, with core features including phases, pipelines, run conditions, and startup systems. Planck also provides plugins for Jabby, Matter Hooks, and more. # Observers