Update Selfoss source code link and license

README.md

@@ -691,7 +691,7 @@ _See https://github.com/awesome-foss/awesome-sysadmin#identity-management_
 - [Newspipe](https://git.sr.ht/~cedric/newspipe) - Newspipe is a web news reader. ([Demo](https://www.newspipe.org/signup)) `AGPL-3.0` `Python`
 - [reader](https://github.com/lemon24/reader) - A Python feed reader web app and library (so you can use it to build your own), with only standard library and pure-Python dependencies. `BSD-3-Clause` `Python`
 - [RSS Monster](https://github.com/pietheinstrengholt/rssmonster) - RSS Monster is an easy to use web-based RSS aggregator and reader compatible with the Fever API, created as an alternative for Google Reader. `MIT` `PHP`
-- [Selfoss](http://selfoss.aditu.de/) - New multipurpose rss reader, live stream, mashup, aggregation web application. ([Source Code](https://github.com/SSilence/selfoss)) `AGPL-3.0` `PHP`
+- [Selfoss](http://selfoss.aditu.de/) - New multipurpose rss reader, live stream, mashup, aggregation web application. ([Source Code](https://github.com/fossar/selfoss)) `GPL-3.0` `PHP`
 - [Sismics Reader](http://sismics.com/reader/) - Free and open source feeds reader, including all major Google Reader features. ([Demo](https://www.sismics.com/reader/#!/demo), [Source Code](https://github.com/sismics/reader)) `GPL-2.0` `Java`
 - [Stringer](https://github.com/swanson/stringer) - Work-in-progress self-hosted, anti-social RSS reader. `MIT` `Ruby`
 - [Temboz](https://github.com/fazalmajid/temboz) - Two-column feed reader emphasizing filtering capabilities to manage information overload. `MIT` `Python`