> For the complete documentation index, see [llms.txt](https://docs.materialsproject.org/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.materialsproject.org/apps.md).

# Apps

- [Explore and Search Apps](https://docs.materialsproject.org/apps/explorer-apps.md)
- [Materials Explorer](https://docs.materialsproject.org/apps/explorer-apps/materials-explorer.md)
- [Tutorial](https://docs.materialsproject.org/apps/explorer-apps/materials-explorer/tutorial.md)
- [Molecules Explorer](https://docs.materialsproject.org/apps/explorer-apps/molecules-explorer.md)
- [Tutorial](https://docs.materialsproject.org/apps/explorer-apps/molecules-explorer/tutorial.md)
- [Legacy Data](https://docs.materialsproject.org/apps/explorer-apps/molecules-explorer/legacy-data.md)
- [Battery Explorer](https://docs.materialsproject.org/apps/explorer-apps/battery-explorer.md): This section presents some basic information about the Battery Explorer app on MP and a short tutorial of how to use it.
- [Background](https://docs.materialsproject.org/apps/explorer-apps/battery-explorer/background.md)
- [Oxygen evolution reaction](https://docs.materialsproject.org/apps/explorer-apps/battery-explorer/background/oxygen-evolution-reaction.md)
- [Tutorial](https://docs.materialsproject.org/apps/explorer-apps/battery-explorer/tutorial.md)
- [Synthesis Explorer](https://docs.materialsproject.org/apps/explorer-apps/synthesis-explorer.md): Search synthesis recipes extracted from literature sources by natural language processing.
- [Background](https://docs.materialsproject.org/apps/explorer-apps/synthesis-explorer/background.md)
- [Tutorial](https://docs.materialsproject.org/apps/explorer-apps/synthesis-explorer/tutorial.md)
- [Catalysis Explorer](https://docs.materialsproject.org/apps/explorer-apps/catalysis-explorer.md)
- [Tutorial](https://docs.materialsproject.org/apps/explorer-apps/catalysis-explorer/tutorial.md): Tutorial on using Catalysis Explorer
- [MOF Explorer](https://docs.materialsproject.org/apps/explorer-apps/mof-explorer.md): Predicted properties for metal–organic frameworks (MOFs) and coordination polymers, derived from the QMOF Database.
- [Downloading the Data](https://docs.materialsproject.org/apps/explorer-apps/mof-explorer/downloading-the-data.md): How to download the data available on https://materialsproject.org/mofs
- [Structure Details](https://docs.materialsproject.org/apps/explorer-apps/mof-explorer/structure-details.md): Neat structures! Tell me a bit about them?
- [QMOF IDs](https://docs.materialsproject.org/apps/explorer-apps/mof-explorer/structure-details/qmof-ids.md): What is a QMOF ID?
- [Structure Sources](https://docs.materialsproject.org/apps/explorer-apps/mof-explorer/structure-details/structure-sources.md): Where did each of the initial structures come from?
- [Finding MOFs by Common Name](https://docs.materialsproject.org/apps/explorer-apps/mof-explorer/structure-details/finding-mofs-by-common-name.md): How do I find a MOF by its common name?
- [Structural Fidelity](https://docs.materialsproject.org/apps/explorer-apps/mof-explorer/structure-details/structural-fidelity.md): Some nuances about structures in the QMOF Database (and all MOF databases, in fact)
- [Property Definitions](https://docs.materialsproject.org/apps/explorer-apps/mof-explorer/property-definitions.md)
- [SMILES, MOFid, and MOFkey](https://docs.materialsproject.org/apps/explorer-apps/mof-explorer/property-definitions/smiles-mofid-and-mofkey.md): What are SMILES strings, a MOFid, and a MOFkey?
- [Pore Geometry](https://docs.materialsproject.org/apps/explorer-apps/mof-explorer/property-definitions/pore-geometry.md): How were pore-based properties computed?
- [Topology](https://docs.materialsproject.org/apps/explorer-apps/mof-explorer/property-definitions/topology.md): What is a MOF topology, and how was it determined?
- [Electronic Structure](https://docs.materialsproject.org/apps/explorer-apps/mof-explorer/property-definitions/electronic-structure.md): How were electronic structure properties computed?
- [Population Analyses and Bond Orders](https://docs.materialsproject.org/apps/explorer-apps/mof-explorer/property-definitions/population-analyses-and-bond-orders.md): How were partial atomic charges, atomic spin densities, and effective bond orders computed?
- [Symmetry](https://docs.materialsproject.org/apps/explorer-apps/mof-explorer/property-definitions/symmetry.md): How is the symmetry determined?
- [Version History](https://docs.materialsproject.org/apps/explorer-apps/mof-explorer/version-history.md): Changes made to the QMOF Database: https://doi.org/10.6084/m9.figshare.13147324
- [How to Cite](https://docs.materialsproject.org/apps/explorer-apps/mof-explorer/how-to-cite.md): Please appropriately cite our work if you find it useful!
- [Reverse Pourbaix Explorer](https://docs.materialsproject.org/apps/explorer-apps/reverse-pourbaix-explorer.md)
- [Tutorial](https://docs.materialsproject.org/apps/explorer-apps/reverse-pourbaix-explorer/tutorial.md)
- [Analysis Apps](https://docs.materialsproject.org/apps/analysis-apps.md)
- [Phase Diagram](https://docs.materialsproject.org/apps/analysis-apps/phase-diagram.md): Background, tutorials, and FAQ for the Phase Diagram App on the Materials Project (MP) website.
- [Background](https://docs.materialsproject.org/apps/analysis-apps/phase-diagram/background.md): Description of the components of the phase diagram app, the intended functionality of each component, and a short review of the origin of the phase diagram construction and MP thermodynamic data.
- [Tutorials](https://docs.materialsproject.org/apps/analysis-apps/phase-diagram/tutorials.md): Visual walkthroughs of common use cases of the Phase Diagram App on Materials Project.
- [FAQ](https://docs.materialsproject.org/apps/analysis-apps/phase-diagram/faq.md): A repository for frequently asked questions (FAQs) and their answers for the Phase Diagram App.
- [Pourbaix Diagram](https://docs.materialsproject.org/apps/analysis-apps/pourbaix-app.md): Background, tutorials, and FAQ for the Pourbaix Diagram App on the Materials Project (MP) website.
- [Background](https://docs.materialsproject.org/apps/analysis-apps/pourbaix-app/background.md)
- [Tutorial](https://docs.materialsproject.org/apps/analysis-apps/pourbaix-app/tutorial.md)
- [FAQ](https://docs.materialsproject.org/apps/analysis-apps/pourbaix-app/faq-+-known-issues.md)
- [Crystal Toolkit](https://docs.materialsproject.org/apps/analysis-apps/crystal-toolkit.md): Background, tutorials, and FAQ for the Crystal Toolkit app on the Materials Project (MP) website.
- [Background](https://docs.materialsproject.org/apps/analysis-apps/crystal-toolkit/background.md)
- [Tutorial](https://docs.materialsproject.org/apps/analysis-apps/crystal-toolkit/tutorial.md)
- [FAQ](https://docs.materialsproject.org/apps/analysis-apps/crystal-toolkit/faq.md)
- [Reaction Calculator](https://docs.materialsproject.org/apps/analysis-apps/reaction-calculator.md): Background, tutorials, and FAQ for the Reaction Calculator App on the Materials Project (MP) website.
- [Interface Reactions](https://docs.materialsproject.org/apps/analysis-apps/interface-reactions.md): Background, tutorials, and FAQ for the Interface Reactions App on the Materials Project (MP) website.
- [Characterization Apps](https://docs.materialsproject.org/apps/characterization-apps.md)
- [X-ray Absorption Spectra (XAS)](https://docs.materialsproject.org/apps/characterization-apps/x-ray-absorption-spectra-xas.md): Background, tutorials, and FAQ for the X-ray Absorption Spectra (XAS) App on the Materials Project (MP) website.
- [Explore Contributed Data](https://docs.materialsproject.org/apps/explore-contributed-data.md): Walkthrough for exploring contributed data on the Materials Project (MP) website.