Logseq is a platform for knowledge management and collaboration. It focuses on privacy, longevity, and user control. The server will never store or analyze your private notes. It works on top of local plain-text Markdown and Org-mode files. Use it to write, organize and share your thoughts, keep your to-do list, and build your own digital garden. It provides support to organize your tasks and projects with built-in workflow commands. 

Logseq - Platform for knowledge management and collaboration.

SWTChart is based on Eclipse SWT (Standard Widget Toolkit). All of widgets in SWTChart are composed of SWT, so that you can easily hock listeners to widgets, and also you can easily extend the functionality. It has an ability to handle large data size of series.<BR><BR>It supports line chart, scatter chart, stack chart, log scale, category axis, multiple axes, bar chart, area chart , step chart, axis orientation, series label etc.

SWTChart is based on Eclipse SWT (Standard Widget Toolkit). All of widgets in SWTChart are composed of SWT, so that you can easily hock listeners to widgets, and also you can easily extend the functionality. It has an ability to handle large data size of series.

SWTChart - light weight chart component

jqPlot is a plotting and charting plugin for the jQuery Javascript framework. jqPlot produces beautiful line, bar and pie charts. It supports Numerous chart style options, Date axes with customizable formatting, Up to 9 Y axes, Automatic trend line computation, Tooltip and data point highlighting and lot more.

Jqplot - Pure JavaScript Plotting the jQuery Way

OpenTSDB is a distributed, scalable Time Series Database (TSDB) written on top of HBase.  OpenTSDB was written to address a common need: store, index and serve metrics collected from computer systems (network gear, operating
systems, applications) at a large scale, and make this data easily accessible and graphable.

OpenTSDB - A scalable, distributed Time Series Database.

Grafana is an open source, feature rich metrics dashboard and graph editor for Graphite, Elasticsearch, OpenTSDB, Prometheus and InfluxDB. It is most commonly used for visualizing time series data for Internet infrastructure and application analytics but many use it in other domains including industrial sensors, home automation, weather, and process control.

Grafana - The leading graph and dashboard builder for visualizing time series metrics

Cayley is an open-source graph inspired by the graph database behind Freebase and Google's Knowledge Graph. Its goal is to be a part of the developer's toolbox where Linked Data and graph-shaped data (semantic webs, social networks, etc) in general are concerned. 
<BR><BR>
It supports built-in query editor and visualizer. It works well with multiple backend stores.



Cayley is an open-source graph inspired by the graph database behind Freebase and Google's Knowledge Graph. Its goal is to be a part of the developer's toolbox where Linked Data and graph-shaped data (semantic webs, social networks, etc) in general are concerned. 

Cayley - An open-source Graph Database 

Titan is a scalable graph database optimized for storing and querying graphs containing hundreds of billions of vertices and edges distributed across a multi-machine cluster. Titan is a transactional database that can support thousands of concurrent users executing complex graph traversals. It is a native Blueprints enabled graph database and as such, it supports the full TinkerPop stack of technologies.

Titan - Scalable Graph Database 

The JCCKit provides flexible framework for creating scientific charts and plots. It provides support for dynamic charts by automatically updating from the modified dataset. It is suitable for scientific Applets and for PDA's.

JCCKit - Chart Construction Kit for the Java platform

JGraphX (aka JGraph 6) is the most powerful, easy-to-use and feature-rich graph drawing component available for Java. It could draw hierarchical, circular, trees and force-directed graphs. Its feature include zoom, moving, edge editing, attribute maps and lot more.

jGraph - Graph Drawing Component in Java 

HugeGraph is a fast-speed and highly-scalable graph database. Billions of vertices and edges can be easily stored into and queried from HugeGraph due to its excellent OLTP ability. As compliance to Apache TinkerPop 3 framework, various complicated graph queries can be accomplished through Gremlin(a powerful graph traversal language).



HugeGraph - Fast-speed and highly-scalable graph database

jCharts is a 100% Java based charting utility that outputs a variety of charts. Servlets, JSP's, and Swing application could use this library to generate charts. It could generate charts of type Area, Area Stacked, Bar, Bar Clustered, Bar Clustered Horizontal, Bar Horizontal, Bar Stacked, Bar Stacked Horizontal, Combo, Hi/Low Open/Close, Line, Pie 2D, Pie 3D, Point, Radar, XY Plot and lot more.

jCharts - Java based charting utility 

JChart2D is an minimalistic realtime charting library. JChart2D is a single configureable swing widget. JChart2D is intended for engineering tasks and not for presentations. It's specialty is run time - dynamic precise display of data with a minimal configuration overhead.

jChart2d - Swing chart widget

InfluxDB is an open-source, distributed, time series database with no external dependencies. It's useful for recording metrics, events, and performing analytics. Everything in InfluxDB is a time series that you can perform standard functions on like min, max, sum, count, mean, median, percentiles, and more. Collect your data on any interval and compute rollups on the fly later.

InfluxDB - Distributed Time Series Database

JGraphT is a Java graph library that provides mathematical graph-theory objects and algorithms. It includes directed, undirected, weighted, unweighted etc. Graphs could be created based on Strings, URLs, XML documents. 

jGraphT - Java graph library

XChart is a light-weight and convenient library for plotting data designed to go from data to chart in the least amount of time possible and to take the guess-work out of customizing the chart style.
<ul>
<li>No required additional dependencies</li>
<li>~182KB Jar</li>
<li>Multiple Y-Axis charts</li>
<li>Line charts</li>
<li>Scatter charts</li>
<li>Area charts</li>
<li>Bar charts</li>
<li>Histogram charts</li>
<li>Pie charts</li>
<li>Donut charts</li>
<li>Bubble charts</li>
<li>Stick charts</li>
<li>Dial charts</li>
<li>Radar charts</li>
<li>OHLC charts</li>
<li>Error bars</li>
<li>Logarithmic axes</li>
<li>Number, Date and Category X-Axis</li>
<li>Multiple series</li>
<li>Tool tips</li>
<li>Extensive customization</li>
<li>Themes – XChart, GGPlot2, MATLAB</li>
<li>Right-click, Save-As…</li>
<li>User-defined axes range</li>
<li>Definable legend placement</li>
<li>CSV import and export</li>
<li>High resolution chart export</li>
<li>Export as PNG, JPG, BMP and GIF</li>
<li>Export SVG, EPS and PDF using optional de.erichseifert.vectorgraphics2d library</li>
<li>Real-time charts</li>
<li>Java 6 and up</li>
</ul>

XChart is a light-weight and convenient library for plotting data designed to go from data to chart in the least amount of time possible and to take the guess-work out of customizing the chart style.

XChart - Light weight Java library for plotting data

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