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org-analyzer creates an interactive visualization of org-mode time-tracking data. org-mode allows to add start/end timestamps to org-mode items (via org-clock-in) to capture the times spend working on particular things. Unfortunately the reporting features built into org-mode are rather limited. This tool remedies that by providing a visual and interactive presentation of time tracking data.

In other words, org-analyzer converts something like this

* current projects
** org clockin visualization
*** ui - improvements (tags, filter, day viz)
CLOCK: [2019-08-04 Sun 23:35]--[2019-08-04 Sun 23:49] =>  0:14
CLOCK: [2019-08-04 Sun 13:51]--[2019-08-04 Sun 15:06] =>  1:15
CLOCK: [2019-08-04 Sun 04:25]--[2019-08-04 Sun 05:16] =>  0:51

into something like this:

New features in 1.0

See this short walkthrough for what's new:


org-analyzer should run on all platforms that can run JAVA — but you will need to have that installed.


Download the latest jar file and run it! (double click or from command line, see below). It will open a new browser window, if you close it the server will stop in a few seconds.


org-analyzer is on MELPA. Make sure MELPA is in your package-archives:

(require 'package)
(add-to-list 'package-archives '("melpa" . ""))

Then run (package-install "org-analyzer"). Afterwards, you can start the tool via M-x org-analyzer-start.


Download the latest jar as described above and start it with java -jar org-analyzer-1.0.4.jar.

The following command line options are available, as per java -jar org-analyzer-1.0.4.jar --help:

Usage: java -jar org-analyzer-1.0.4.jar [opt*] [org-file-or-dir*]

Interactive visualization of timetracking data (org clocks).

This command starts an HTTP server that serves a web page that visualizes the
time data found in org files. Org files can be specified individually or, when
passing a directory, a recursive search for .org files is done. If nothing is
specified, defaults to the current directory, recursively searching it for any
.org file.

     --host hostname	Sets hostname, default is localhost
 -p, --port portnumber	Sets port, default is 8090
     --dontopen		Don't automatically open a web browser window

For more info see


To play around with the codebase you will need to have Clojure installed.

To just run the app from source do a git clone and then make http-server. Then visit http://localhost:8090.

You can run the server-side tests via make test.

To work interactively, I would recommend an editor / IDE that uses nREPL, I personally use Emacs with cider. Start an nREPL server with make nrepl (this will also start an http-server) and then connect to localhost:7888 for a Clojure session and to localhost:7889 for a ClojureScript session.

If you don't use an nREPL enabled editor you can still run a figwheel repl via make figwheel.

Whe running with nREPL or figwheel you will get an additional page for UI experiments and tests: http://localhost:8090/expts.html