Remove Tipboard, add Smashing (#2468)

as per https://github.com/awesome-selfhosted/awesome-selfhosted/issues/2451

README.md

@@ -758,6 +758,7 @@ _See https://github.com/n1trux/awesome-sysadmin#distributed-filesystems_
 
 - [Minio](https://minio.io/) - Minio is an open source object storage server compatible with Amazon S3 APIs. ([Source Code](https://github.com/minio/minio)) `Apache-2.0` `Go`
 - [SeaweedFS](https://github.com/chrislusf/seaweedfs) - SeaweedFS is an open source distributed file system supporting WebDAV, S3 API, FUSE mount, HDFS, etc, optimized for lots of small files, and easy to add capacity. `Apache-2.0` `Go`
+- [SFTPGo](https://github.com/drakkan/sftpgo) - Flexible, fully featured and highly configurable SFTP server with optional FTP/S and WebDAV support. `AGPL-3.0` `Go`
 - [Zenko CloudServer](https://www.zenko.io/cloudserver) - Zenko CloudServer, an open-source Node.js implementation of a server handling the Amazon S3 protocol. ([Source Code](https://github.com/scality/S3)) `Apache-2.0` `Nodejs`
 
 #### Single-click/drag-n-drop upload
@@ -1233,7 +1234,7 @@ _See also [Monitoring](#monitoring)_
 - [Organizr](https://github.com/causefx/Organizr) - Organizr aims to be your one stop shop for your Servers Frontend. `GPL-3.0` `PHP`
 - [Personal management system](https://github.com/Volmarg/personal-management-system) - Central point for managing personal data (billings, payments, job holidays, notes etc.). ([Demo](http://personal-management-system.pl/)) `MIT` `PHP`
 - [simple-dash](https://github.com/kutyla-philipp/simple-dash) - A simple, fully responsive Dashboard to forward to the services of your choice. ([Demo](https://kutyla-philipp.github.io/simple-dash/)) `MIT` `Javascript`
-- [Tipboard](http://allegro.tech/tipboard/) - In-house, tasty, local dashboarding system. ([Source Code](https://github.com/allegro/tipboard)) `Apache-2.0` `Python`
+- [Smashing](https://smashing.github.io/) - Smashing, the spiritual successor to Dashing, is a Sinatra based framework that lets you build excellent dashboards. It looks especially great on TVs. ([Source Code](https://github.com/Smashing/smashing)) `MIT` `Ruby`
 - [wger](http://wger.de/) - Web-based personal workout, fitness and weight logger/tracker. It can also be used as a simple gym management utility and offers a full REST API as well. ([Demo](http://wger.de), [Source Code](https://github.com/rolandgeider/wger)) `AGPL-3.0` `Python`
 - [Your Spotify](https://github.com/Yooooomi/your_spotify) `⚠` - Allows you to record your Spotify listening activity and have statistics about them served through a Web application. `MIT` `Nodejs/Docker`
 
@@ -1444,6 +1445,7 @@ _[Serverless computing on Wikipedia](https://en.wikipedia.org/wiki/Serverless_co
 ### API Management
 
 - [DreamFactory](https://www.dreamfactory.com/) - Turns any SQL/NoSQL/Structured data into Restful API. ([Source Code](https://github.com/dreamfactorysoftware/dreamfactory)) `Apache-2.0` `PHP`
+- [form.io](https://form.io) - A REST API building platform that utilizes a drag & drop form builder, and is application framework agnostic. Contains open source and enterprise version. ([Demo](https://portal.form.io), [Source Code](https://github.com/formio)) `MIT` `NodeJS`
 - [Fusio](http://www.fusio-project.org/) - Open-source API management platform which helps to build and manage REST APIs. ([Demo](http://fusio-project.org/demo), [Source Code](https://github.com/apioo/fusio)) `AGPL-3.0` `PHP`
 - [Hapttic](https://github.com/jsoendermann/hapttic) - Simple HTTP server that forwards all requests to a shell script to handle webhooks you receive. `Apache-2.0` `Go`
 - [Hasura](https://hasura.io) - Fast, instant realtime GraphQL APIs on Postgres with fine grained access control, also trigger webhooks on database events. ([Source Code](https://github.com/hasura/graphql-engine)) `Apache-2.0` `Haskell`
@@ -1609,7 +1611,6 @@ _See also [Documentation Generators](#documentation-generators), [Wikimatrix](ht
 - [FLAP](https://www.flap.cloud) - Low maintenance framework to manage self-hosted services. ([Source Code](https://gitlab.com/flap-box/flap)) `AGPL-3.0` `Docker/Shell`
 - [FreedomBone](https://freedombone.net/) - Home server configuration based on Debian. ([Source Code](https://code.freedombone.net/bashrc/freedombone)) `AGPL-3.0` `Shell`
 - [FreedomBox](https://freedomboxfoundation.org/) - Community project to develop, design and promote personal servers running free software for private, personal, communications. ([Source Code](https://salsa.debian.org/freedombox-team/freedombox)) `AGPL-3.0` `Python/Other`
-- [FreeNAS](https://www.freenas.org/) - Network-attached storage (NAS) software based on FreeBSD and the OpenZFS file system. Support for SMB, AFP, NFS, iSCSI, SSH, rsync and FTP/TFTP protocols. Advanced features include full-disk encryption and plug-ins. ([Source Code](https://github.com/freenas/freenas)) `BSD-3-Clause` `Python/Other`
 - [HomelabOS](https://homelabos.com) - Your very own offline-first privacy-centric open-source data-center. Deploy over 100 services with a few commands. ([Source Code](https://gitlab.com/NickBusey/HomelabOS)) `MIT` `Docker`
 - [NextCloudPi](https://nextcloudpi.com/) - Nextcloud preinstalled and preconfigured, with a text and web management interface and all the tools needed to self host private data. With installation images for Raspberry Pi, Odroid, Rock64, Docker, and a curl installer for Armbian/Debian. ([Source Code](https://github.com/nextcloud/nextcloudpi)) `GPL-2.0-or-later` `Bash/PHP`
 - [OpenMediaVault](http://www.openmediavault.org/) - OpenMediaVault is the next generation network attached storage (NAS) solution based on Debian Linux. It contains services like SSH, (S)FTP, SMB/CIFS, DAAP media server, RSync, BitTorrent client and many more. ([Source Code](https://github.com/openmediavault/openmediavault)) `GPL-3.0` `PHP`