<s>
This	O
is	O
an	O
incomplete	O
list	O
of	O
notable	O
applications	O
(	O
apps	O
)	O
that	O
run	O
on	O
iOS	B-Application
where	O
source	O
code	O
is	O
available	O
under	O
a	O
free	O
software/open	O
-source	O
software	O
license	O
.	O
</s>
<s>
Note	O
however	O
that	O
much	O
of	O
this	O
software	O
is	O
dual-licensed	O
for	O
non-free	O
distribution	O
via	O
the	O
iOS	B-Application
app	I-Application
store	I-Application
;	O
for	O
example	O
,	O
GPL	O
licenses	O
are	O
not	O
compatible	O
with	O
the	O
app	B-Application
store	I-Application
.	O
</s>
<s>
Bitwarden	B-Operating_System
Password	O
manager	O
GPLv3	O
git	O
Also	O
available	O
for	O
Windows	O
,	O
Linux	O
,	O
macOS	O
and	O
Android	O
.	O
</s>
<s>
ChatSecure	B-Protocol
Encrypted	O
XMPP	O
client	O
GPLv3	O
git	O
Collabora	B-General_Concept
Online	I-General_Concept
Office	O
suite	O
compatible	O
with	O
Microsoft	B-Application
Office	I-Application
,	O
enterprise	O
ready	O
LibreOffice	O
MPLv2.0	B-License
git	O
Also	O
available	O
for	O
Android	O
,	O
ChromeOS	O
,	O
iPadOS	O
,	O
Windows	O
,	O
macOS	O
and	O
Linux	O
.	O
</s>
<s>
DuckDuckGo	B-Application
DuckDuckGo	B-Application
search	O
engine	O
client	O
Apache	O
2.0	O
git	O
Also	O
available	O
for	O
Firefox	O
,	O
Chrome	O
,	O
Safari	O
and	O
Android	O
.	O
</s>
<s>
Element	B-Protocol
Matrix	O
collaboration	O
client	O
for	O
iOS	B-Application
Apache	O
2.0	O
git	O
Also	O
available	O
for	O
Android	O
,	O
Web	O
and	O
Linux	O
.	O
</s>
<s>
Firefox	B-Operating_System
Focus	I-Operating_System
Mobile	O
web	O
browser	O
MPL	B-License
2.0	I-License
git	O
Also	O
available	O
for	O
Android	O
.	O
</s>
<s>
Firefox	B-Application
for	I-Application
iOS	I-Application
Mobile	O
web	O
browser	O
MPL	B-License
2.0	I-License
git	O
Infomaniak	O
Drive	O
File	O
sync	O
and	O
share	O
-	O
The	O
secure	O
cloud	O
GPLv3	O
git	O
Also	O
available	O
for	O
Windows	O
,	O
Linux	O
,	O
macOS	O
and	O
Android	O
.	O
</s>
<s>
Jami	B-Protocol
Softphone	O
and	O
instant	O
messenger	O
GPLv3	O
git	O
Also	O
available	O
for	O
Windows	O
,	O
Linux	O
,	O
macOS	O
and	O
Android	O
.	O
</s>
<s>
Joplin	B-Language
Note	O
taking	O
and	O
to-do	O
application	O
with	O
synchronization	O
capabilities	O
MIT	O
git	O
Also	O
available	O
for	O
Android	O
,	O
Windows	O
,	O
macOS	O
and	O
Linux	O
.	O
</s>
<s>
Linphone	B-Protocol
Video	O
SIP/VoIP	O
client	O
GPLv2	O
git	O
Also	O
available	O
for	O
Android	O
.	O
</s>
<s>
MAPS.ME	B-Application
Offline	O
maps	O
and	O
navigation	O
using	O
OpenStreetMap	O
data	O
Apache	O
2.0	O
git	O
Also	O
available	O
for	O
Android.MuPDFPDF	O
readerAGPL	O
v3+gitAlso	O
available	O
for	O
Android	O
and	O
Windows	O
and	O
unix-like	O
systems	O
.	O
</s>
<s>
NetNewsWire	B-Application
RSS	O
reader	O
MIT	O
git	O
Also	O
available	O
for	O
macOS	O
.	O
</s>
<s>
Nextcloud	B-General_Concept
File	O
sync	O
and	O
share	O
,	O
with	O
encryption	O
possible	O
GPLv3	O
git	O
Also	O
available	O
for	O
Android	O
,	O
Windows	O
,	O
macOS	O
and	O
Linux	O
.	O
</s>
<s>
Nextcloud	B-General_Concept
Talk	O
Chat	O
,	O
voice	O
and	O
video	O
calling	O
GPLv3	O
git	O
Also	O
available	O
for	O
Android	O
.	O
</s>
<s>
OnlyOffice	B-Application
Open-source	B-Application
office	O
suite	O
compatible	O
with	O
Microsoft	B-Application
Office	I-Application
AGPL	B-Application
v.3	O
git	O
Also	O
available	O
for	O
Android	O
,	O
Windows	O
,	O
macOS	O
and	O
Linux	O
.	O
</s>
<s>
Open	O
Food	O
Facts	O
Open-source	B-Application
and	O
open-data	O
food	O
scanner	O
Apache	O
2.0	O
git	O
Also	O
available	O
for	O
Android	O
.	O
</s>
<s>
Onion	O
Browser	O
An	O
open-source	B-Application
,	O
privacy-enhancing	O
web	O
browser	O
for	O
iOS	B-Application
,	O
utilizing	O
the	O
Tor	B-Application
anonymity	I-Application
network	I-Application
own	O
git	O
Organic	B-Application
Maps	I-Application
Offline	O
maps	O
and	O
navigation	O
using	O
OpenStreetMap	O
data	O
Apache	O
2.0	O
git	O
Also	O
available	O
for	O
Android	O
and	O
on	O
F-Droid	O
and	O
AppGallery	O
.	O
</s>
<s>
OsmAnd	B-Application
Offline	O
maps	O
and	O
navigation	O
using	O
OpenStreetMap	O
data	O
MIT	O
git	O
Also	O
available	O
for	O
Android	O
.	O
</s>
<s>
OwnCloud	B-Language
File	O
sync	O
and	O
share	O
(	O
the	O
official	O
ownCloud	B-Language
app	O
)	O
GPLv3	O
git	O
Also	O
available	O
for	O
Android	O
,	O
Windows	O
,	O
macOS	O
and	O
Linux	O
.	O
</s>
<s>
ProtonMail	B-Application
E-Mail	O
client	O
ProtonMail	B-Application
GPLv3	O
git	O
Also	O
available	O
for	O
Android	O
.	O
</s>
<s>
Signal	B-Application
Encrypted	O
instant	O
messaging	O
,	O
voice	O
and	O
video	O
calling	O
GPLv3	O
git	O
Also	O
available	O
for	O
Android	O
,	O
Windows	O
,	O
MacOS	O
and	O
Linux	O
.	O
</s>
<s>
Simplenote	B-Application
Encrypted	O
notes	O
GPLv2	O
git	O
Also	O
available	O
for	O
Android	O
,	O
Windows	O
,	O
MacOS	O
and	O
Linux	O
.	O
</s>
<s>
Surespot	B-Protocol
Encrypted	O
instant	O
messaging	O
GPLv3	O
git	O
Also	O
available	O
for	O
Android	O
.	O
</s>
<s>
Telegram	B-Application
Instant	O
messaging	O
GPLv2	O
git	O
Also	O
available	O
for	O
Android	O
,	O
Windows	O
Phone	O
,	O
and	O
Firefox	O
OS	O
.	O
</s>
<s>
Tutanota	B-Operating_System
Email	O
client	O
GPLv3	O
git	O
Also	O
available	O
for	O
Android	O
,	O
Windows	O
,	O
MacOS	O
and	O
Linux	O
.	O
</s>
<s>
Vim	B-Application
A	O
port	O
of	O
the	O
UNIX	O
based	O
text	O
editor	O
to	O
iOS	B-Application
,	O
with	O
syntax	O
highlighting	O
Free	B-Application
software	I-Application
git	O
VLC	B-Application
for	I-Application
iOS	I-Application
A	O
port	O
of	O
the	O
free	O
VLC	B-Application
media	I-Application
player	I-Application
MPL	O
2.0GPLv2	O
+	O
git	O
The	O
White	O
House	O
The	O
official	O
White	O
House	O
app	O
MIT	O
git	O
wikiHow	O
wikiHow	O
app	O
GPL	O
git	O
Wikipedia	O
The	O
official	O
Wikipedia	O
app	O
MIT	O
git	O
Also	O
available	O
for	O
Android	O
,	O
webOS	O
and	O
Kindle	O
.	O
</s>
<s>
Wire	B-Application
Encrypted	O
instant	O
messaging	O
,	O
voice	O
and	O
video	O
calling	O
GPLv3	O
git	O
Also	O
available	O
for	O
Android	O
,	O
Windows	O
,	O
MacOS	O
and	O
Linux	O
.	O
</s>
<s>
WordPress	B-Application
The	O
official	O
WordPress	B-Application
app	O
GPLv2	O
git	O
Also	O
available	O
for	O
Android	O
.	O
</s>
