README | 9 +++++++--

diff --git a/README b/README
index e87c7392481d7a5312c45e63a4fec84b1e887484ad3717c5d588ece5f4646d74..02db445cac1d0aaeb2471967d83776ead6bcebded2961580f8bf6bc605ce9623 100644
--- a/README
+++ b/README
@@ -20,8 +20,13 @@ of the tracker on each developer's machine. You can send changes to it
 asynchronously as a patch or bundle.
 
 Basically schwabrak is mainly about a convention how to keep issues in
-files, loosely similar to https://github.com/driusan/PoormanIssueTracker,
-from which I borrowed idea of replacing spaces with dashes in issue names.
+files, loosely similar to
+https://github.com/driusan/PoormanIssueTracker,
+https://github.com/driusan/IssueTrackerTools,
+https://github.com/aaiyer/bugseverywhere,
+https://www.youtube.com/watch?v=ysgMlGHtDMo
+from which I borrowed idea of replacing spaces with dashes in issue
+names.
 
 Issues are kept in the issues/ directory. Directory's name is the
 issue's brief name, prepended with datetime for sorting purposes. Dashes