diff --git a/README.md b/README.md
index 26b0fa87..753ac1cd 100644
--- a/README.md
+++ b/README.md
@@ -294,7 +294,7 @@ _CalDAV or CardDAV clients._
 - [Synapse](http://matrix.org/docs/projects/server/synapse.html) - Server for [Matrix](https://matrix.org/), an open standard for decentralized persistent communication. ([Source Code](https://github.com/matrix-org/synapse)) `Apache-2.0` `Python`
   - [Matrix Console Web](http://matrix.org/docs/projects/client/matrix-console.html) - Web client meant to be a showcase of Matrix capabilities, and reference implementation of the Matrix standard. ([Source Code](https://github.com/matrix-org/matrix-angular-sdk)) `Apache-2.0` `Javascript`
   - [Riot.im](http://riot.im) - Fully-featured Matrix client for Web, iOS & Android. ([Source Code](https://github.com/vector-im/riot-web)) `Apache-2.0` `Javascript`
-- [Syndie](https://www.syndie.de) - Syndie is a libre system for operating distributed forums. `CC0-1.0` `Java`
+- [Syndie](https://syndie.de) - Syndie is a libre system for operating distributed forums. `CC0-1.0` `Java`
 - [TextBelt](https://github.com/typpo/textbelt) `⚠` - Outgoing SMS API that uses carrier-specific gateways to deliver your text messages for free, and without ads. `MIT` `Javascript`
 - [Tox](https://tox.chat/) - Distributed, secure messenger with audio and video chat capabilities. ([Source Code](https://github.com/irungentoo/toxcore)) `GPL-3.0` `C`
 - [Tuber](https://blog.trailofbits.com/2015/12/15/self-hosted-video-chat-with-tuber/) - Peer-to-peer video chat that works. ([Source Code](https://github.com/trailofbits/tubertc)) `MIT` `Javascript`
@@ -333,7 +333,7 @@ _MTAs / SMTP servers_
 - [MailHog](https://github.com/mailhog/MailHog) - Small Golang executable which runs an SMTP MTA gateway that accepts all mail and displays in web interface. Useful for debugging or development. `MIT` `Go`
 - [OpenSMTPD](https://opensmtpd.org/) - Secure SMTP server implementation from the OpenBSD project. ([Source Code](http://cvsweb.openbsd.org/cgi-bin/cvsweb/src/usr.sbin/smtpd/)) `ISC` `C`
 - [Postfix](http://www.postfix.org/) - Fast, easy to administer, and secure Sendmail replacement. `IPL-1.0` `C`
-- [Qmail](http://www.qmail.org/top.html) - Secure Sendmail replacement. ([Source Code](https://sources.debian.net/src/netqmail/1.06-5/)) `CC0-1.0` `C`
+- [Qmail](https://cr.yp.to/qmail.html) - Secure Sendmail replacement. ([Source Code](https://sources.debian.net/src/netqmail/1.06-5/)) `CC0-1.0` `C`
 - [Sendmail](http://www.sendmail.com/sm/open_source/) - Message transfer agent (MTA). `Sendmail` `C`
 - [Slimta](http://slimta.org) - Mail Transfer Library built on Python. ([Source Code](https://github.com/slimta/python-slimta)) `MIT` `Python`
 
@@ -452,7 +452,7 @@ _[SIP](https://en.wikipedia.org/wiki/Session_Initiation_Protocol)/[IPBX](https:/
 - [Symphony](https://hacpai.com/) - Modern community (forum/SNS/blog) platform written in Java. ([Source Code](https://github.com/b3log/symphony)) `GPL-3.0` `Java`
 - [Talkyard](https://www.talkyard.io/) - Create a community, where your users can suggest ideas and get questions answered. And have friendly open-ended discussions and chat (Slack/StackOverflow/Discourse/Reddit/Disqus hybrid). ([Demo](https://www.talkyard.io/forum/latest), [Source Code](https://github.com/debiki/talkyard)) `AGPL-3.0` `Scala`
 - [Telescope](http://www.telescopeapp.org/) - Open-source social news app built with Meteor. ([Demo](http://demo.telescopeapp.org/), [Source Code](https://github.com/TelescopeJS/Telescope)) `MIT` `Nodejs`
-- [Tokumei](https://tokumei.co/) - Anonymous microblogging platform. ([Demo](https://demo.tokumei.co/), [Source Code](https://gitlab.com/tokumei/tokumei)) `ISC` `rc`
+- [Tokumei](https://tokumei.co/) - Anonymous microblogging platform. ([Source Code](https://gitlab.com/tokumei/tokumei)) `ISC` `rc`
 - [Thredded](https://thredded.org) - Forums, feature-rich and simple. ([Demo](https://thredded.org/thredded), [Source Code](https://github.com/thredded/thredded)) `MIT` `Ruby`
 - [twister](http://twister.net.co/) - Fully decentralized P2P microblogging platform leveraging the free software implementations of Bitcoin and BitTorrent protocols. ([Source Code](https://github.com/miguelfreitas/twister-core)) `MIT` `C++`
 - [Vanilla Forums](https://vanillaforums.org/) - Simple and flexible forum software. ([Source Code](https://github.com/vanilla/vanilla)) `GPL-2.0` `PHP`
@@ -537,7 +537,6 @@ CMS are a practical way to setup a website with many features. CMS often come wi
 - [Redaxscript](https://redaxscript.com) - Ultra lightweight CMS for MySQL, SQLite and PostgreSQL. ([Demo](https://demo.redaxscript.com/login), [Source Code](https://github.com/redaxmedia/redaxscript)) `GPL-3.0` `PHP`
 - [Roadiz](https://www.roadiz.io/) -  Modern CMS based on a node system which can handle many types of services. ([Source Code](https://github.com/roadiz/roadiz)) `MIT` `PHP`
 - [SilverStripe](https://www.silverstripe.org) - Easy to use CMS with powerful MVC framework underlying. ([Demo](http://demo.silverstripe.org/), [Source Code](https://github.com/silverstripe)) `BSD-3-Clause` `PHP`
-- [Sphido](http://www.sphido.org/) - Fast, lightweight, flat file CMS for PHP. ([Source Code](https://github.com/sphido/cms)) `MIT` `PHP`
 - [SPIP](http://www.spip.net/fr) - Publication system for the Internet aimed at collaborative work, multilingual environments, and simplicity of use for web authors. ([Source Code](https://core.spip.net/projects/spip/repository)) `GPL-2.0` `PHP`
 - [Squidex](http://squidex.io) - Headless CMS, based on MongoDB, CQRS and Event Sourcing. ([Demo](http://cloud.squidex.io), [Source Code](https://github.com/Squidex/squidex)) `MIT` `.NET`
 - [Strapi](https://strapi.io/) - The most advanced open-source Content Management Framework (headless-CMS) to build powerful API with no effort. ([Source Code](https://github.com/strapi/strapi)) `MIT` `Nodejs`
@@ -648,7 +647,7 @@ See https://github.com/n1trux/awesome-sysadmin#identity-management
 - [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`
-- [Tiny Tiny RSS](https://tt-rss.org/gitlab/fox/tt-rss) - Open source web-based news feed (RSS/Atom) reader and aggregator. ([Demo](http://framanews.org/)) `GPL-3.0` `PHP`
+- [Tiny Tiny RSS](https://tt-rss.org) - Open source web-based news feed (RSS/Atom) reader and aggregator. ([Demo](http://framanews.org/), [Source Code](https://git.tt-rss.org/fox/tt-rss)) `GPL-3.0` `PHP`
   - [gritttt-rss](http://gritttt-rss.nicolashoening.de/) - More features for Tiny Tiny RSS. ([Source Code](https://github.com/nhoening/gritttt-rss)) `BSD-2-Clause` `Python`
   - [ttrss-mobile](https://github.com/mboinet/ttrss-mobile) - Mobile webapp for Tiny Tiny RSS. `AGPL-3.0` `Javascript`
   - [ttrss-reader](https://github.com/kucrut/ttrss-reader) - Light and responsive client for TTRSS. `GPL-2.0` `Javascript`
@@ -766,7 +765,7 @@ _Games, game servers and control panels._
 - [battlecraft](https://github.com/jbreindel/battlecraft) - Fully distributed multiplayer browser game. ([Demo](http://battlecraft.online)) `Apache-2.0` `Erlang`
 - [Clumsy Bird](https://github.com/ellisonleao/clumsy-bird) - MelonJS port of the famous Flappy Bird Game. ([Demo](http://ellisonleao.github.io/clumsy-bird/)) `MIT` `Nodejs`
 - [elevatorsaga](http://play.elevatorsaga.com/) - The elevator programming game. ([Source Code](https://github.com/magwo/elevatorsaga)) `MIT` `Javascript`
-- [Hextris](https://github.com/Hextris/hextris) - Fast paced HTML5 puzzle game inspired by Tetris. ([Demo](http://hextris.io/)) `GPL-3.0` `HTML5`
+- [Hextris](https://github.com/Hextris/hextris) - Fast paced HTML5 puzzle game inspired by Tetris. ([Demo](https://hextris.github.io/hextris)) `GPL-3.0` `HTML5`
 - [Lila](https://lichess.org/) - The forever free, adless and open source chess server powering lichess.org, with official iOS and Android client apps. ([Source Code](https://github.com/ornicar/lila)) `AGPL-3.0` `Scala`
 - [Posio](https://github.com/abrenaut/posio) - Geography multiplayer game. ([Demo](https://posio.abrenaut.com/)) `MIT` `Python`
 - [RconCli](https://github.com/gorcon/rcon-cli) - CLI for executing queries on a remote Valve Source dedicated server using the RCON Protocol. `MIT` `Go`