Here goes the list (likely incomplete) of my contributions to open source projects. I will try to keep it up-to-date. You may also check projects or talks
Contributes several infrastructure changes and added more TeamCity REST commands
Apache Mina SSHD
Contributed a number of problems I had in production. Also a fix for an invalid key authorization bug. Overall reported those issues
IntelliJ IDEA Community Edition
Gradle Tests Performance Improvement. The pull request to use faster test output processing from Gradle.
Pathces and fixes to help Toolbox App to work.
OS Detector Gradle Plugin
It was unclear how to use the plugin. I have improved the documentation.
Jackson Mr. Bean
Java deserialization issue with generics and type erasure in Jackson Mr.Bean module.
Created first version of the test runner implementation based on JUnit to have IDE/CI tooling integration for free.
Contributed infrastructure fixes and other improvements to DSL-based web framework in Kotlin