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Top 19 Java Visualization Projects
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Thingsboard
Open-source IoT Platform - Device management, data collection, processing and visualization.
2. ThingsBoard: An open-source IoT platform that supports data visualization, remote control, and device management. Its real-time data widgets allow users to track device metrics dynamically. https://thingsboard.io/
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InfluxDB
InfluxDB β Built for High-Performance Time Series Workloads. InfluxDB 3 OSS is now GA. Transform, enrich, and act on time series data directly in the database. Automate critical tasks and eliminate the need to move data externally. Download now.
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Kotlin can use any Java library, giving you access to powerful machine learning frameworks like DeepLearning4J, Smile, and Weka.
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Project mention: For visualization of network graphs, Gephi was ahead of its time | news.ycombinator.com | 2025-07-22
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Project mention: Fahmatrix β A Lightweight, Pandas-Like DataFrame Library for Java (GitHub) | news.ycombinator.com | 2025-05-16
Always great to see efforts to make working with data frames easier. Here are some similar data frame libraries for Java:
https://github.com/jtablesaw/tablesaw
https://github.com/dflib/dflib
My preferred way is just use duckdb java API. I didn't see anything better in performance/efficiency. Also a SQL query is often easier to write
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Plan
Player Analytics plugin for Minecraft Server platforms - View player activity of your server with ease. :calendar: (by plan-player-analytics)
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audio-visualizer-android
π΅ [Android Library] A light-weight and easy-to-use Audio Visualizer for Android.
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ECharts-Java
A Java Visualization Library based on Apache ECharts 5.x. εΊδΊ Apache ECharts 5.x η Java ε―θ§εη±»εΊγ
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matplotlib4j
Matplotlib for java: A simple graph plot library for java, scala and kotlin with powerful python matplotlib
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Stato_COVID19_Italia_Android
COVID-19 Italia - Applicazione Android per il monitoraggio della situazione
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WAT-Vis
A tool for game developers and server owners to decode, visualize, and analyze player positional data.
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SaaSHub
SaaSHub - Software Alternatives and Reviews. SaaSHub helps you find the best software and product alternatives
NOTE:
The open source projects on this list are ordered by number of github stars.
The number of mentions indicates repo mentiontions in the last 12 Months or
since we started tracking (Dec 2020).
Java Visualization discussion
Java Visualization related posts
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For visualization of network graphs, Gephi was ahead of its time
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Gephi β The Open Graph Viz Platform
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Vector Field Art
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DAGitty β draw and analyze causal diagrams
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π Dataviz of the architecture of a speech w/ Nocodefunctions & Gephi(sto)
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Show HN: Procedural art using vector fields
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The Current State of Clojure's Machine Learning Ecosystem
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A note from our sponsor - Sevalla
sevalla.com | 1 Sep 2025
Index
What are some of the best open-source Visualization projects in Java? This list will help you:
| # | Project | Stars |
|---|---|---|
| 1 | Thingsboard | 19,622 |
| 2 | Smile | 6,241 |
| 3 | Gephi | 6,182 |
| 4 | Tablesaw | 3,682 |
| 5 | Plan | 954 |
| 6 | audio-visualizer-android | 876 |
| 7 | ECharts-Java | 391 |
| 8 | binjr | 310 |
| 9 | WorldEditCUI | 282 |
| 10 | matplotlib4j | 230 |
| 11 | RatingReviews | 205 |
| 12 | Mines Java Toolkit | 78 |
| 13 | KLighD | 37 |
| 14 | minvio | 27 |
| 15 | Stato_COVID19_Italia_Android | 22 |
| 16 | SiVi | 21 |
| 17 | WAT-Vis | 14 |
| 18 | redotable | 10 |
| 19 | VectorFieldSimulator | 1 |
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