fix/remove broken links (#2586)

* fix htmly demo link

* fix z-push demo link, remove inline link

* fix zipline website link

* remove erpnext demo link (certificate expired)

* update liteshort URL

README.md

@@ -190,7 +190,7 @@ _See also [Static Site Generators](#static-site-generators), [Content Management
 - [Ghost](https://ghost.org/) - Just a blogging platform. ([Source Code](https://github.com/TryGhost/Ghost)) `MIT` `Nodejs`
 - [Hexo](https://hexo.io/) - Fast, simple and powerful blog framework, powered by Node.js. ([Source Code](https://github.com/hexojs/hexo)) `MIT` `Nodejs`
 - [Hotglue](https://hotglue.me/) - Freehand CMS which allows to construct websites directly in a web-browser. It uses flat files for storage and provides an intuitive GUI. ([Demo](https://hotglue.me/demo/), [Source Code](https://github.com/k0a1a/hotglue2)) `GPL-3.0` `PHP`
-- [htmly](https://www.htmly.com/) - Databaseless Blogging Platform (Flat-File Blog). ([Demo](https://www.htmly.com/demo/), [Source Code](https://github.com/danpros/htmly)) `GPL-2.0` `PHP`
+- [htmly](https://www.htmly.com/) - Databaseless Blogging Platform (Flat-File Blog). ([Demo](https://demo.htmly.com/), [Source Code](https://github.com/danpros/htmly)) `GPL-2.0` `PHP`
 - [Known](https://withknown.com/) - Single website for all your content. ([Source Code](https://github.com/idno/idno)) `Apache-2.0` `PHP`
 - [Plume](https://joinplu.me/) - Federated blogging engine, based on ActivityPub. ([Source Code](https://github.com/Plume-org/Plume)) `AGPL-3.0` `Rust`
 - [PluXml](http://www.pluxml.org/) - XML-based blog/CMS platform. ([Source Code](https://github.com/pluxml/PluXml)) `GPL-1.0` `PHP`
@@ -740,7 +740,7 @@ _See https://github.com/n1trux/awesome-sysadmin#distributed-filesystems_
 - [Syncany](https://www.syncany.org/) - Secure file sync software for arbitrary storage backends, an open-source cloud storage and filesharing application. Securely synchronize your files to any kind of storage. `GPL-3.0` `Java`
 - [Syncthing](https://syncthing.net/) - Syncthing is an open source peer-to-peer file synchronisation tool. ([Source Code](https://github.com/syncthing/syncthing)) `MPL-2.0` `Go`
 - [Unison](https://www.cis.upenn.edu/~bcpierce/unison/) - Unison is a file-synchronization tool for OSX, Unix, and Windows. `GPL-3.0` `OCaml`
-- [Z-Push](http://z-push.org/) - Implementation of Microsoft’s [ActiveSync](https://en.wikipedia.org/wiki/ActiveSync) protocol. ([Source Code](https://stash.z-hub.io/projects/ZP/repos/z-push)) `AGPL-3.0` `PHP`
+- [Z-Push](http://z-push.org/) - Implementation of Microsoft’s ActiveSync protocol. ([Source Code](https://stash.kopano.io/projects/ZHUB/repos/z-push)) `AGPL-3.0` `PHP`
 
 #### Peer-to-peer filesharing
 
@@ -799,7 +799,7 @@ _See https://github.com/n1trux/awesome-sysadmin#distributed-filesystems_
 - [Web-File-Uploader](https://v2.femto.pw/) - A simple tool to let people upload and share images and files. ([Source Code](https://github.com/femto-apps/web-file-uploader)) `MIT` `Nodejs`
 - [XBackBone](https://github.com/SergiX44/XBackBone) - A simple, fast and lightweight file manager with instant sharing tools integration, like ShareX (a free and open-source screenshot utility for Windows). `AGPL-3.0` `PHP`
 - [YouTransfer](http://www.youtransfer.io) - YouTransfer is a simple but elegant self-hosted file transfer and sharing solution. ([Source Code](https://github.com/remie/YouTransfer)) `Apache-2.0` `Nodejs`
-- [Zipline](https://zipline.diced.wtf/) - A lightweight, fast and reliable file sharing server that is commonly used with ShareX, offering a react-based Web UI and fast API. ([Source Code](https://github.com/diced/zipline)) `MIT` `Nodejs`
+- [Zipline](https://zipline.diced.me/) - A lightweight, fast and reliable file sharing server that is commonly used with ShareX, offering a react-based Web UI and fast API. ([Source Code](https://github.com/diced/zipline)) `MIT` `Nodejs`
 
 #### Command-line file upload
 
@@ -1355,7 +1355,7 @@ _See also [Monitoring](#monitoring)_
 ### Enterprise Resource Planning
 
 - [Dolibarr](https://www.dolibarr.org/) - Dolibarr ERP CRM is a modern software package to manage your company or foundation activity (contacts, suppliers, invoices, orders, stocks, agenda, accounting, ...). ([Demo](https://www.dolibarr.org/onlinedemo.php), [Source Code](https://github.com/Dolibarr/dolibarr)) `GPL-3.0-or-later` `PHP`
-- [ERPNext](https://erpnext.com) - Free open source ERP system. ([Demo](https://demo.erpnext.com), [Source Code](https://github.com/frappe/erpnext)) `GPL-3.0` `Python`
+- [ERPNext](https://erpnext.com) - Free open source ERP system. ([Source Code](https://github.com/frappe/erpnext)) `GPL-3.0` `Python`
 - [LedgerSMB](https://ledgersmb.org/) - Integrated accounting and ERP system for small and midsize businesses, with double entry accounting, budgeting, invoicing, quotations, projects, orders and inventory management, shipping and more. ([Demo](https://demo.cloud.efficito.com/erp/1.5/login.pl), [Source Code](https://github.com/ledgersmb/LedgerSMB)) `GPL-2.0` `Perl`
 - [Odoo](http://odoo.com) - Free open source ERP system. ([Demo](https://demo.odoo.com/), [Source Code](https://github.com/odoo/odoo)) `LGPL-3.0` `Python`
 - [OFBiz](https://ofbiz.apache.org/) - FOSS enterprise resource planning system with a suite of business applications flexible enough to be used across any industry. ([Source Code](https://svn.apache.org/viewvc/ofbiz/)) `Apache-2.0` `Java`
@@ -1561,7 +1561,7 @@ _Before hosting one, please see [shortcomings](https://en.wikipedia.org/wiki/URL
 - [gShort](https://github.com/someone-stole-my-name/gShort) - Privacy-friendly self-hosted URL shortener. ([Demo](http://gshort.christiansegundo.com/)) `GPL-3.0` `Go`
 - [Kutt](https://kutt.it) - A modern URL shortener with support for custom domains. ([Source Code](https://github.com/thedevs-network/kutt)) `MIT` `Nodejs`
 - [Link-shortener-bot](https://github.com/tommyku/link-shortener-front-end) `⚠` - URL shortener using a Telegram Bot. ([Demo](http://t.me/GiveMeShortLinkBot)) `MIT` `Ruby`
-- [liteshort](https://git.ikl.sh/132ikl/liteshort) - User-friendly, actually lightweight, and configurable URL shortener. ([Demo](https://ls.ikl.sh)) `MIT` `Python`
+- [liteshort](https://github.com/132ikl/liteshort) - User-friendly, actually lightweight, and configurable URL shortener. ([Demo](https://ls.ikl.sh)) `MIT` `Python`
 - [Lstu](https://github.com/ldidry/lstu) - _Let's SHorten That Url_ - Lightweight URL shortener. `WTFPL` `Perl`
 - [Polr](https://project.polr.me/) - Modern, minimalist, modular, and lightweight URL shortener. ([Source Code](https://github.com/Cydrobolt/polr)) `GPL-2.0` `PHP`
 - [reduc.io](https://github.com/ziyasal/reducio) - URL shortener service written in Scala, using Akka-Http and Redis. `MIT` `Scala`