update URL for Stringer

README.md

@@ -829,7 +829,7 @@ A [news aggregator](https://en.wikipedia.org/wiki/News_aggregator), also termed
 - [Screaming Liquid Tiger](https://github.com/herrbischoff/screaming-liquid-tiger) - Simple script to automatically generate valid RSS and Atom feeds from a list of media files in the same folder. `MIT` `PHP`
 - [Selfoss](https://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](https://www.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`
+- [Stringer](https://github.com/stringer-rss/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`
 - [Tiny Tiny RSS](https://tt-rss.org) - Open source web-based news feed (RSS/Atom) reader and aggregator. ([Demo](https://srv.tt-rss.org/tt-rss/), [Source Code](https://git.tt-rss.org/fox/tt-rss)) `GPL-3.0` `PHP`
 - [ttrss-mobile](https://github.com/mboinet/ttrss-mobile) - Mobile webapp for Tiny Tiny RSS. `AGPL-3.0` `Javascript`
@@ -1848,7 +1848,6 @@ _Related: [Task management & To-do lists](#task-management--to-do-lists), [Softw
 - [Pachno](https://pach.no/) - Bring your team together to design, build and deliver your project with a tool that works with you and your team, and adapts when you need to. ([Source Code](https://github.com/pachno/pachno)) `MPL-2.0` `PHP`
 - [Request Tracker](https://www.bestpractical.com/rt/) - An enterprise-grade issue tracking system. ([Source Code](https://github.com/bestpractical/rt)) `GPL-2.0` `Perl`
 - [Roundup Issue Tracker](https://www.roundup-tracker.org/) - A simple-to-use and -install issue-tracking system with command-line, web, REST, XML-RPC, and e-mail interfaces. Designed with flexibility in mind - not just another bug tracker. ([Source Code](https://www.roundup-tracker.org/code.html)) `MIT/ZPL-2.0` `Python`
-- [Sentry On-Premise](https://github.com/getsentry/self-hosted) - A powerful error tracking platform with wide language support and a robust API. ([Source Code](https://github.com/getsentry/sentry)) `BSD-3-Clause` `Python/Django`
 - [Trudesk](https://trudesk.io/) - Trudesk is an open-source help desk/ticketing solution. ([Source Code](https://github.com/polonel/trudesk)) `Apache-2.0` `Nodejs`
 - [Zammad](https://zammad.org/) - Easy to use but powerful open-source support and ticketing system. ([Source Code](https://github.com/zammad/zammad)) `AGPL-3.0` `Ruby`