Questions tagged [data-visualization]

Software feature that brings hard to comprehend information into an visual representation that can be human-readable.

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20
votes
2answers
25k views

Best Free Alternative to Tableau

Is there a good GNU/FOSS alternative to Tableau? Tableau is a piece of software which allows you to connect to heterogeneous data sources (files, SQL databases, etc) and quickly combine data in ...
17
votes
7answers
5k views

Software to draw the data flow of a program?

I would like to draw the data flow for the documentation of a project. I thought of something like this (created with Dia). Functions: I would like to be able to draw databases, single computers, ...
22
votes
5answers
17k views

Tool to Visualize SQL Database Schema

Please recommend a tool to visualize database schema. It should be able to generate schema of existing DB. support - mySQL platform - Linux/Windows licence - free/open-source Something like ...
14
votes
1answer
400 views

XML inspection tool

I develop a lot with XML and use mostly XmlSpy. It's really great and also really expensive. I am looking for a cheaper/free alternative. Must-haves: XML grid view (viewing the XML structure like a ...
1
vote
2answers
848 views

Gratis XML editor with grid view

At work, we use XML Spy. It is very impressive, but it also costs Eur 399 for a single license. I am looking for an alternative; it must be gratis, for Windows (or cross platform), with full text view,...
12
votes
2answers
4k views

JavaScript library to display Venn diagrams

I am looking for a JavaScript library which is able to produce Venn diagrams. Requirements The ability to specify and draw sets colorize sets (and results of operations between them) label sets (...
103
votes
5answers
27k views

Alternative for Graphviz with better automatic node placement for large graphs?

In the past I used Graphviz to create drawing of graphs. It is a nice tools for small graphs. But unfortunately, for large graphs, Graphviz really sucks: It always crossed edges that obviously could ...
9
votes
3answers
2k views

Extract Highlights and Markups from Documents (PDF preferred, Word or suggestions)

As part of my studying/learning, I have a lot of PDF documents that I'm reading. There's an "Almost Awesome" thing I've found discovered about PDFs. Using these instructions you can use Adobe ...
7
votes
2answers
11k views

Complex SQL Query visualizer

Is there a tool (gratis), that helps developer to understand or helps to visualize the complex queries (involving JOINS, GROUP BY). I know about the snowflakesjoins service which provides visualizer ...
18
votes
5answers
5k views

Quick and Easy Data Model Diagrams (ERD)

When I'm doing documentation, I frequently want to build a small ERD by hand to demonstrate a couple of relationships that are associated with the current topic. I can do it in Visio, and frequently ...
1
vote
0answers
1k views

Python library to display Venn diagrams

I am looking for a Python library that is able to produce Venn diagrams. It should take as input two or three sets, and display a Venn diagram that represent the sets. If possible: the number of ...
10
votes
1answer
875 views

DOT Graph Viewer

I'm looking for a DOT graph file format viewer. Graphviz works really well for small graphs, but it is rather clunky once they become large. In particular, I'm looking for a solution that solves the ...
3
votes
3answers
595 views

Software/library for generation and real-time updating of network graph (nodes and edges) on website with MySql data

I am building a site where people submit pieces of data that are essentially nodes and edges, stored in a MySql database through PHP. I want to represent the data through network graphs (nodes and ...
3
votes
3answers
579 views

SQL Server/Oracle/MySQL database tool for developers (DDL Manipulation, stored procedures, triggers, OLEDB, ADO.NET)

I'm looking for a Database tool for developers with the following features: SQL querying Can be connected to SQL Server, Oracle and MySQL. Can run on Windows and Linux distros DDL Manipulation (...
3
votes
2answers
200 views

Visualize call graphs for Python

I am looking for a simple tool to visualize the call graph for Python modules (i.e. what function calls what function etc.). It exists an abandoned package pycallgraph, which does not work anymore. ...
3
votes
0answers
825 views

Dashboard/visualization tool with ElasticSearch, MySQL and custom (REST?) data sources and intuitive filter tools

we have statistics from multiple sources and would need to display them at a central place. At the moment, we have some custom charts using PHP and ExtJS for things stored in a MySQL database, then ...
2
votes
5answers
104 views

Is there a better software/library towards analytics (and visualisation)?

I've got product data (time, title, price, likes, colour, etc.) from several shops and I would like to do some analysis on it. Some are quite easy: Total amount of products per shop Pie Chart of ...
6
votes
3answers
287 views

Convert a huge PNG picture to an interactive, zoomable map?

I generated a 65k x 65k (4 gigapixels) image that is basically a visualisation of the entire IPv4 address space from one perspective: No browser is willing to load an image that big, claiming it ...
2
votes
1answer
543 views

Polyhedron visualisation

Is there a software that can create a 3D visualization of a polyhedron, based on inequations that define its delimiting planes, of the form A_1 x < b_1 A_2 x < b_2 A_3 x < b_3 Here an ...
1
vote
1answer
131 views

visual presentation timer with segments either for MacOS or online

I am looking for a visual presentation timer with segments either for MacOS or online. I have been using pTimer+ [link to app store] on my phone, see screenshots below, but I haven't been able to ...
1
vote
1answer
141 views

Tree-graph visualisation. Convert table to a graph

I need a software, which will allow me to convert a table with tree-like dependences between objects to a picture. For example table like this: object dependsOn B A C A D B E B ...