TimelineSetter is a tool to create HTML timelines from spreadsheets of events.
What you describe appears to be a class of software known as project management or Gantt chart programs. MS Project is the more commonly known program on the market, but there are free versions that are often as capable, especially if some of the MS features are not required.
From teamgantt.com comes an image of a project involving creating a specific ...
I would recommend PowerBI overall, if you have some advanced knowledge with computers and some coding experience you could try using GraphQL to visualise your data in very fancy ways if you have the time.
The combination of Python/Jupyter/Pandas and graphing suites such as HoloViz should give you what you need with minimal coding and good interactivity.
You can get the full installation in a few simple steps:
Install Anaconda or Miniconda if you don't have it already
Open the conda prompt and
conda create -n holoviz python=3.7
conda activate holoviz
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Also comes with django-vs-web2py, django-vs-turbogears, and django-vs-web.py
It's a website compare with similar technologies.
I am not familiar with Bokeh but I have used Django and Flask. They represent two different ends of the framework spectrum. Flask is a minimalist framework with URL mapping and html templating system. It has lots of additional addon modules to be mixed and matched as you need. Select Flask if minimal dependency and maximum flexibility is needed.
Django is a ...
I know there are a lot of histogram classes in the DataMelt project. In particular, you want "horizontal" bar histogram. See a similar style in https://jwork.org/dmelt/code/index.php?keyword=popularity
Search for the "histogram" on the left search field. To make the histogram dynamic, you will need to implement a loop, put sleep, and refill the container ...
Bold BI is a Data Visualization tool to consider.
Cloud and On-Premise versions are available and all plans allow for unlimited users so you will be able to give access to all of your employees.
Note: I work for Syncfusion (the company behind Bold BI).
You should write a program processing those Excel files. Though many programming languages provide API to read data from Excel files, you still need to write code to open each file, traverse cells to read desired data, input all data into memory and store it in one data set object, usually use Python to convert a sheet into a dataframe with pandas. But using ...
You can use the XMLmind XML Editor. Here is how it compares to your requirements:
free: yes, as in "gratis"; it is free for personal use and to work on open source projects (see), but it is not open source software itself
cross-platform: yes – Windows, MacOS, Linux and anything running OpenJDK 14
tree view of XML: yes, under "View → XML source"
Looks like this hasn't been touched in a while. My thoughts are based one key observation - misunderstanding of what a DFD is, by the original poster and all of the responses. A flowchart is not a DFD.
Fundamentally, a DFD has only a very few symbols:
A data store (any type) drawn as two parallel horizontal lines with the description of the type of data ...