* [Indigo indigo-1.43.0](https://github.com/epam/Indigo) – Universal cheminformatics library with support for multiple programming languages and various tools for chemistry-related tasks.

* [Kekule.js v1.0.4](https://github.com/partridgejiang/Kekule.js) – JavaScript toolkit for cheminformatics that enables reading, writing, displaying, and editing chemical objects.

* [MatterViz v0.3.5](https://github.com/janosh/matterviz) – Toolkit for building interactive web UIs for materials science including periodic tables and 3D crystal structures.