Beginners · Java

Java

• elastic/elasticsearch on GitHub, opens in a new tab

  77.8Kstars

  (label: good first issue) Open Source, Distributed, RESTful Search Engine.

  Java·Other·active·3 hours ago

• questdb/questdb on GitHub, opens in a new tab

  17.3Kstars

  (label: Good first issue) Questdb is a fast open source SQL time series database.

  Java·Apache License 2.0·active·3 hours ago

• open-metadata/OpenMetadata on GitHub, opens in a new tab

  14.9Kstars

  (label: good first issue) OpenMetadata is an all-in-one platform for data discovery, data quality, observability, governance, data lineage, and team collaboration.

  TypeScript·Apache License 2.0·active·3 hours ago

• trinodb/trino on GitHub, opens in a new tab

  13.2Kstars

  (label: good first issue) A distributed SQL query engine for big data. Ask for guidance on project's Slack.

  Java·Apache License 2.0·active·3 hours ago

• JabRef/jabref on GitHub, opens in a new tab

  4.6Kstars

  (label: good first issue) Desktop application for managing literature references using modern Java features including JavaFX. Dedicated to code quality and constructive feedback: Each Pull Request is reviewed by two developers to provide high-quality feedback and to ensure high quality of new contributions.

  Java·MIT License·active·3 hours ago

• codenameone/CodenameOne on GitHub, opens in a new tab

  1.9Kstars

  (label: good first issue) Cross-platform mobile app development framework for Java developers

  Java·Other·active·3 hours ago

• TEAMMATES/teammates on GitHub, opens in a new tab

  1.8Kstars

  (label: good first issue) TEAMMATES is a free online tool for managing peer evaluations and other feedback paths of your students.

  Java·GNU General Public License v2.0·active·3 weeks ago

• CatimaLoyalty/Android on GitHub, opens in a new tab

  1.7Kstars

  (label: good first issue) Catima, a Loyalty Card & Ticket Manager for Android

  Java·GNU General Public License v3.0·active·yesterday

• commons-app/apps-android-commons on GitHub, opens in a new tab

  1.2Kstars

  (label: good first issue) Allows users to upload pictures from their Android phone/tablet to Wikimedia Commons.

  Kotlin·Apache License 2.0·active·4 hours ago

• authorjapps/zerocode on GitHub, opens in a new tab

  1Kstars

  (label: good first issue) API Automation without coding, easy JSON response assertions, Testing REST, SOAP, Kafka and Java/DB APIs, CI/Jenkins Friendly.

  Java·Apache License 2.0·active·3 weeks ago

• abhishektripathi66/DSA on GitHub, opens in a new tab

  138stars

  (label: good first issue) DSA questions practising repo for Java developers

  Java·The Unlicense·active·2 months ago