<s>
Sourcetrail	B-Application
was	O
a	O
FOSS	B-License
source	O
code	O
explorer	O
that	O
provided	O
interactive	O
dependency	O
graphs	O
and	O
support	O
for	O
multiple	O
programming	O
languages	O
including	O
C	B-Language
,	O
C++	B-Language
,	O
Java	B-Language
and	O
Python	B-Language
.	O
</s>
<s>
The	O
project	O
was	O
started	O
by	O
Eberhard	O
Gräther	O
after	O
an	O
internship	O
at	O
Google	B-Application
where	O
he	O
worked	O
on	O
Google	B-Application
Chrome	I-Application
,	O
and	O
noticed	O
that	O
he	O
consumed	O
a	O
lot	O
of	O
time	O
(	O
1	O
month	O
)	O
to	O
implement	O
a	O
simple	O
feature	O
that	O
he	O
expected	O
to	O
be	O
done	O
in	O
1	O
–	O
2	O
hours	O
.	O
</s>
<s>
In	O
November	O
2019	O
,	O
Sourcetrail	B-Application
was	O
released	O
as	O
open-source	O
software	O
under	O
version	O
three	O
of	O
the	O
GNU	O
General	O
Public	O
License	O
.	O
</s>
<s>
Therefore	O
,	O
Sourcetrail	B-Application
is	O
intended	O
to	O
help	O
the	O
developers	O
to	O
understand	O
the	O
source	O
code	O
and	O
the	O
relationship	O
between	O
different	O
components	O
.	O
</s>
<s>
Sourcetrail	B-Application
builds	O
a	O
dependency	O
graph	O
after	O
indexing	O
the	O
source	O
code	O
files	O
and	O
provides	O
a	O
graphical	O
overview	O
of	O
the	O
source	O
code	O
.	O
</s>
