diff --git a/docs/_pages/about.md b/docs/_pages/about.md
index c72d26e55..e48ba7d4f 100644
--- a/docs/_pages/about.md
+++ b/docs/_pages/about.md
@@ -6,7 +6,7 @@ permalink: /about/
 
 Open5GS is a C-language Open Source implementation of 5GC and EPC, i.e. the core network of NR/LTE network.
 
-#### Supported Features
+### Supported Features
 ---
 
 - Release-16 compliant
@@ -20,7 +20,7 @@ Open5GS is a C-language Open Source implementation of 5GC and EPC, i.e. the core
 - VoLTE(Voice over LTE) with HSS-Cx interface
 - VoNR(Voice over NR)
 
-#### Known Limitations
+### Known Limitations
 ---
 
 - No Interworking with EPC
@@ -30,3 +30,88 @@ Open5GS is a C-language Open Source implementation of 5GC and EPC, i.e. the core
 - No SRVCC
 - No Roaming
 - No Emergency Call
+
+
+### OSS Notice
+---
+
+The following sets forth attribution notices for third party software that may be contained in this repository.
+
+If you have any questions or concerns, please contact us at acetcom@gmail.com
+
+---
+
+##### Apache Protable Runtime(ARP)
+- [https://apr.apache.org/](https://apr.apache.org/)
+- Copyright (C) The Apache Software Foundation
+- LICENSE: [Apache-2.0](#apache-20)
+
+##### OpenSSL
+- [https://www.openssl.org/](https://www.openssl.org/)
+- Copyright (C) The OpenSSL Project Authors
+- LICENSE: [Apache-2.0](#apache-20)
+
+##### GnuTLS
+- [https://www.gnutls.org/](https://www.gnutls.org/)
+- Copyright (C) Free Software Foundation, Inc.
+- LICENSE: [LGPL-2.1-or-later](#lgpl-21-or-later)
+
+##### LIBGCRYPT
+- [https://gnupg.org/software/libgcrypt/index.html](https://gnupg.org/software/libgcrypt/index.html)
+- Copyright (C) The GnuPG Project
+- LICENSE: [LGPL-2.1-or-later](#lgpl-21-or-later)
+
+##### Linux Kernel Stream Control Transmission Protocol Tools
+- [https://lksctp.sourceforge.net/](https://lksctp.sourceforge.net/)
+- Copyright 2002 La Monte H.P. Yarroll; Copyright 2002, 2004 IBM Corp.; Copyright 2010, 2013 Red Hat
+- LICENSE: [LGPL-2.1-or-later](#lgpl-21-or-later)
+
+##### GNU IDN Library
+- [https://www.gnu.org/software/libidn/](https://www.gnu.org/software/libidn/)
+- Copyright (C) Free Software Foundation, Inc.
+- LICENSE: [LGPL-2.1-or-later](#lgpl-21-or-later)
+
+##### libmongoc
+- [https://mongoc.org/libmongoc/current/index.html](https://mongoc.org/libmongoc/current/index.html)
+- Copyright 2017-present MongoDB, Inc.
+- LICENSE: [Apache-2.0](#apache-20)
+
+##### libbson
+- [http://mongoc.org/libbson/current/index.html](http://mongoc.org/libbson/current/index.html)
+- Copyright 2017-present MongoDB, Inc.
+- LICENSE: [Apache-2.0](#apache-20)
+
+##### LibYAML
+- [https://pyyaml.org/wiki/LibYAML](https://pyyaml.org/wiki/LibYAML)
+- Copyright (c) 2017-2020 Ingy döt Net Copyright (c) 2006-2016 Kirill Simonov
+- License: [MIT](#mit)
+
+##### Nghttp2
+- [https://nghttp2.org/](https://nghttp2.org/)
+- Copyright (C) 2022 - Tatsuhiro Tsujikawa
+- License: [MIT](#mit)
+
+##### libcurl
+- [https://curl.se/libcurl/](https://curl.se/libcurl/)
+- Copyright (C) 2019 - 2022, Daniel Stenberg, <daniel@haxx.se>, et al.
+- License: [MIT](#mit)
+
+##### GNU Libmicrohttpd
+- [https://www.gnu.org/software/libmicrohttpd/](https://www.gnu.org/software/libmicrohttpd/)
+- Copyright (C) Free Software Foundation, Inc.
+- LICENSE: [LGPL-2.1-or-later](#lgpl-21-or-later)
+
+##### libtins
+- [http://libtins.github.io/](http://libtins.github.io/)
+- Copyright (c) 2012-2017, Matias Fontanini
+- License: [BSD-2-Clause](#bsd-2-clause)
+
+##### libtalloc
+- [https://talloc.samba.org/talloc/doc/html/index.html](https://talloc.samba.org/talloc/doc/html/index.html)
+- Copyright (C) Andrew Tridgell 2004-2005, Stefan Metzmacher 2006
+- LICENSE: [LGPL-2.1-or-later](#lgpl-21-or-later)
+
+##### usrsctp
+- [https://github.com/sctplab/usrsctp](https://github.com/sctplab/usrsctp)
+- Copyright (c) 2015, Randall Stewart and Michael Tuexen
+ - License: [BSD-3-Clause](#bsd-3-clause)