head to head · open source
OpenProject vs yona
OpenProject has 16,136 GitHub stars, 3,487 forks, 224 open issues and last shipped today. yona has 500 stars, 157 forks, 234 open issues and last shipped today. OpenProject leads on adoption by 3,127% (16,136 vs 500 stars). OpenProject is written in Ruby under GPL-3.0; yona is written in Kotlin under Apache-2.0. OpenProject has attracted 22% as many forks as stars, yona 31%. OpenProject was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 1 topic tag (issue-tracker), so they are genuine substitutes rather than adjacent tools.
Two open source projects, one decision. Both are free and self-hostable — the differences are community size, license terms, language stack and release pace.
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Side by side
| OpenProject | yona | |
|---|---|---|
| GitHub stars | ★ 16K | ★ 500 |
| License | GPL-3.0 | Apache-2.0 |
| Written in | Ruby | Kotlin |
| Last push | 2026-09-18 | 2026-09-18 |
| Forks | ⑂ 3.5K | ⑂ 157 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick OpenProject if
- You weight community size — 16K stars and counting
- You want the GPL-3.0 license terms
- Your stack matches Ruby
- You value the larger contributor base for long-term maintenance
pick yona if
- You want the yona feature set and don't need the biggest community
- You prefer the Apache-2.0 license terms
- Your stack matches Kotlin
- You evaluated both and yona fits your workflow better
About OpenProject
OpenProject is a web based open source project management software for teams and organizations that need transparency, flexibility, and data sovereignty. It lives in the open source project management ecosystem, with Ruby as the repository language and Angular as a listed topic. The project is positioned as an open alternative to Asana and Basecamp, and the README also compares it with Jira, MS Project, Monday, and YouTrack.
read the full OpenProject overview →
About yona
[[English]]( english) yona 21세기 협업 개발 플랫폼 Official Site: 이 저장소는 Yona(Play Framework/Java/Ebean 기반의 설치형 프로젝트 협업 플랫폼)를 Kotlin + Spring Boot + JPA(Hibernate) 스택으로 새로 옮겨 쓴 프로젝트입니다. 화면 구조·데이터 모델·동작 방식은 legacy Yona와 최대한 동일하게 유지하면서, 런타임과 빌드 도구만 현재 JVM 생태계로 교체하는 것을 목표로 합니다. Yona란? Git/SVN/Mercurial 저장소가 내장된 설치형 이슈 트래커 + 게시판 + 코드 리뷰 플랫폼 네이버/네이버랩스를 비롯해 여러 기업·공공기관에서 수년간 실사용되며 다듬어진 애플리케이션 주요 기능 서비스 종료나 데이터 종속 걱정 없는 설치형 프로젝트 기반의 유연한 이슈 트래커와 게시판 — 프로젝트 간 이슈 이동, 서브 태스크, 본문 변경이력, 이슈 템플릿 내장 코드 저장소 — Git / SVN / Mercurial 3종 선택 가능, 온라인 수정·커밋, HTTP(S)뿐 아니라 SSH로도 접근 가능, 프로젝트 멤버 전용 접근 제어, Git LFS 지원 블록 기반 코드 리뷰 — 코드 블록 단위 리뷰 스레드, 리뷰 …
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Frequently asked questions
Is OpenProject or yona more popular?
OpenProject has 16,136 GitHub stars and yona has 500. OpenProject has the larger community by that measure.
Are OpenProject and yona free?
Both are open source. OpenProject is licensed under GPL-3.0 and yona under Apache-2.0. Neither carries a licence fee.
What is the difference between OpenProject and yona?
OpenProject is written in Ruby and yona in Kotlin. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, OpenProject or yona?
Choose OpenProject if you want the larger community (16,136 stars) or its GPL-3.0 licence terms. Choose yona if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.