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flashcards-webapp Build Status

An open source web application to help with managing flashcards. Built as microservices using chili-core.

See the demo for v1.0.0 on YouTube. Or try it for yourself at FlashCardsAlligator.

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Build & run

Build the flashcards jar

gradlew jar

Start the app

java -jar <filename>.jar

Package distribution

gradlew archiveZip


Planned features

  • group flashcards into categories
  • share categories with friends
  • make a category public
  • keep track on users scores per category
  • allow media content on cards
  • select answers to cards from a predefined list
  • hotkeys:
    • Answer, Skip, Delete, Flip, Edit

Libraries & Frameworks

This project makes use of some awesome libraries, including

It is also built using the chili-core framework!

Updating certificates on the demo environment

# force if certbot says certs are not due for renewal yet.
sudo certbot renew --force-renewal
sudo cp /etc/letsencrypt/live/ ./
sudo cp /etc/letsencrypt/live/ ./

# remember to set a password for the intermediate keystore, keytool bugs out otherwise.
openssl pkcs12 -export -out keystore.pkcs12 -in fullchain.pem -inkey privkey.pem

# genereate the java keystore
keytool -importkeystore -srckeystore keystore.pkcs12 -srcstoretype PKCS12 -destkeystore keystore2.jks


  1. Submit a PR!
  2. Get it reviewed and tested
  3. Deployed to live servers! (TBD)