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## Java
+- [Strongbox](https://github.com/strongbox/strongbox/labels/good%20first%20issue) _(label: good first issue)_
Strongbox is an artifact repository manager written in Java.
- [TEAMMATES](https://github.com/TEAMMATES/teammates/labels/d.FirstTimers) _(label: d.FirstTimers)_
TEAMMATES is a free online tool for managing peer evaluations and other feedback paths of your students.
- [elasticsearch](https://github.com/elastic/elasticsearch/labels/good%20first%20issue) _(label: good first issue)_
Open Source, Distributed, RESTful Search Engine.
- [JabRef](https://github.com/JabRef/jabref/labels/good%20first%20issue) _(label: good first issue)_
Desktop application moving from SWING to JavaFX. Focus on code quality: Usage of code quality tools such as [CodeCov](https://codecov.io/) and [Codacy](https://www.codacy.com/). Each Pull Request is reviewed by two developers to provide high-quality feedback and to ensure high quality of new contributions.