Topic
Open-source startups tagged #java
18 open-source startups in this directory carry the GitHub topic #java. 14 pushed code within 30 days of the snapshot of 2026-09-22, 2 have been quiet for 31–120 days, 2 have not pushed in over 120 days. Topics are set by each repository’s own maintainers, so this is what those projects chose to call themselves rather than a category we assigned.
14 of 18 pushed within 30 days of the snapshot of 2026-09-22. How we measure it →
The list
All 18, most-starred first.
The last column is the most recent push GitHub reported to us on 2026-09-22. It counts a push to any branch, by a person or a bot — it is not a claim that anyone is maintaining the project, and a quiet repository may be a finished one.
| Project | What it does | Stars | Ship status | Last verified push |
|---|---|---|---|---|
| Stirling-Tools/Stirling-PDF | #1 PDF Application on GitHub that lets you edit PDFs on any device anywhere | 92.8K | Still shipping | Sep 22, 2026 |
| elastic/elasticsearch | Free and Open Source, Distributed, RESTful Search Engine | 78K | Still shipping | Sep 22, 2026 |
| appsmithorg/appsmith | Platform to build admin panels, internal tools, and dashboards. Integrates with 25+ databases and any API. | 40.9K | Still shipping | Sep 22, 2026 |
| yuliskov/SmartTube | Browse media content with your own rules on Android TV | 34K | Still shipping | Sep 22, 2026 |
| kestra-io/kestra | Event Driven Orchestration & Scheduling Platform for Mission Critical Applications | 28.2K | Still shipping | Sep 22, 2026 |
| airbytehq/airbyte | Open-source data movement for ELT pipelines and AI agents — from APIs, databases & files to warehouses, lakes, and AI applications. Both self-hosted and Cloud. | 22.1K | Still shipping | Sep 22, 2026 |
| CoatiSoftware/Sourcetrail | Sourcetrail - free and open-source interactive source explorer | 16.5K | Gone silent | Dec 13, 2021 |
| cryptomator/cryptomator | Cryptomator for Windows, macOS, and Linux: Secure client-side encryption for your cloud storage, ensuring privacy and control over your data. | 16.2K | Still shipping | Sep 16, 2026 |
| Konloch/bytecode-viewer | A Java 8+ Jar & Android APK Reverse Engineering Suite (Decompiler, Editor, Debugger & More) | 15.7K | Slowed | Jul 17, 2026 |
| organicmaps/organicmaps | 🍃 Organic Maps is a free Android & iOS offline maps app for more than 6M travelers, tourists, hikers, and cyclists. It uses crowd-sourced OpenStreetMap data and is developed with love by the community. No ads, no tracking, no data collection, no crapware. Please donate to support the development! | 15.5K | Still shipping | Sep 22, 2026 |
| supertokens/supertokens-core | Open source alternative to Auth0 / Firebase Auth / AWS Cognito | 15.3K | Still shipping | Sep 21, 2026 |
| kekingcn/kkFileView | Universal File Online Preview Project based on Spring-Boot | 14.7K | Still shipping | Sep 18, 2026 |
| xpipe-io/xpipe | Access your entire server infrastructure from your local desktop | 14.6K | Still shipping | Sep 21, 2026 |
| LawnchairLauncher/lawnchair | No clever tagline needed. | 13.6K | Still shipping | Sep 20, 2026 |
| macrozheng/mall-swarm | mall-swarm是一套微服务商城系统，采用了 Spring Cloud Alibaba、Spring Boot 3.5、Sa-Token、MyBatis、Elasticsearch、Docker、Kubernetes等核心技术，同时提供了基于Vue的管理后台方便快速搭建系统。mall-swarm在电商业务的基础集成了注册中心、配置中心、监控中心、网关等系统功能。 | 13.2K | Slowed | Jul 31, 2026 |
| mapeditor/tiled | Flexible level editor | 12.9K | Still shipping | Sep 21, 2026 |
| apereo/cas | Apereo CAS - Identity & Single Sign On for all earthlings and beyond. | 11.4K | Still shipping | Sep 22, 2026 |
| codota/TabNine | AI Code Completions | 10.8K | Gone silent | Sep 4, 2025 |
Related collections
Sideways from here.
The 8 largest other topics in the directory, then the other ways to slice it. Every count is as of the snapshot of 2026-09-22.
Snapshot of 2026-09-22 · 721 repos in the directory · every number on this page is measured against that date, not against today. What this measurement cannot tell you →