diff --git a/index.html b/index.html
index a61facd..e35dedc 100644
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+++ b/index.html
@@ -1151,6 +1151,7 @@ other console/curses tools
 <li><a href="https://hledger.org/time-planning.html">hledger: Time planning</a></li>
 <li><a href="#time-logging">time tracking tools</a></li>
 <li><a href="https://www.reddit.com/r/plaintextaccounting/comments/e2sd0k/ledger_cli_time_tracking_and_transaction_account/">reddit: Ledger CLI time tracking and transaction account linking</a></li>
+<li><a href="https://github.com/haansn08/arbeitszeit.py">arbeitszeit.py</a></li>
 </ul>
 <h3 id="inventory-tracking">inventory tracking</h3>
 <ul>