Multiplied By One app for DID/OSSD Systems

Multiplied By One: App for Dissociative Identity Disorder Systems

Currently In Production

App For Assisting Communication in DID/OSDD Systems

Multiplied By One

Multiplied By One is currently in production by volunteer developers and will be a web app for assisting communication in Dissociative Identity Disorder systems.

For those unaware, DID is what used to be known as Multiple Personalities, or Split Personalities. To learn more about what DID or OSDD are, or for further information on the app, see the FAQ.

I’m Melissa; the creator of Multiplied By One. I was looking for apps for my system that did at least one of the features that this one will, but when searching, there were no apps for DID systems.

Multiplied By One will be free for use and without ads.


Video Of The App Mockup

Developer Discord

If you are a developer and ally of this project who can donate some free time, simply click to join the Developer Discord server and connect with Melissa C. Water.

Community Discord

For the Community who may not be devs, but wish to contribute in some way, get more regular updates, further information, or just connect about the app:

Subscribe to our Newsletter to be notified of when Multiplied By One goes live, or for when there are feature updates

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For Volunteer Developers - Social Good

For developers interested in assisting with coding this project, the return for your time includes helping a great cause, adding coding experience to your Resume, adding Multiplied By One to your LinkedIn profile, and a work reference.

For those studying coding, we offer to supervise your work and submit reports to school administration as a means for your acquiring school points.

Consider contacting Melissa C. Water for any questions, or simply joining the Developer Discord linked above.

Those contributing to the project are linked to the full mockup with user-stories and to the GitHub repositories. Guidance can be found with the team and from project management.


  • React
  • Create react app
  • JSS
  • Material UI
  • REST
  • State management (Redux)


  • Serverless
  • Express
  • Type ORM
  • Typescript / Javascript (ECMA script6)
  • AWS Lambda
  • SQL