@ -131,9 +131,9 @@ Digital [archiving](https://en.wikipedia.org/wiki/Archival_science) and [preserv
_Related: [Content Management Systems (CMS)](#content-management-systems-cms)_
- [Access to Memory (AtoM)](https://www.accesstomemory.org/) - Web-based, open source application for standards-based archival description and access in a multilingual, multi-repository environment. ([Demo](https://demo.accesstomemory.org/), [Source Code](https://github.com/artefactual/atom)) `AGPL-3.0-only` `PHP`
- [Access to Memory (AtoM)](https://www.accesstomemory.org/) - Web-based, open source application for standards-based archival description and access in a multilingual, multi-repository environment. ([Demo](https://demo.accesstomemory.org/), [Source Code](https://github.com/artefactual/atom)) `AGPL-3.0` `PHP`
- [ArchiveBox](https://archivebox.io/) - Self-hosted _wayback machine_ that creates HTML & screenshot archives of sites from your bookmarks, browsing history, RSS feeds, or other sources. ([Source Code](https://github.com/ArchiveBox/ArchiveBox)) `MIT``Python`
- [Archivematica](https://www.archivematica.org/en/) - Mature digital preservation system designed to maintain standards-based, long-term access to collections of digital objects. ([Demo](https://sandbox.archivematica.org/administration/accounts/login/), [Source Code](https://github.com/artefactual/archivematica)) `AGPL-3.0-only` `Python`
- [Archivematica](https://www.archivematica.org/en/) - Mature digital preservation system designed to maintain standards-based, long-term access to collections of digital objects. ([Demo](https://sandbox.archivematica.org/administration/accounts/login/), [Source Code](https://github.com/artefactual/archivematica)) `AGPL-3.0` `Python`
- [ArchivesSpace](https://archivesspace.org/) - Archives information management application for managing and providing Web access to archives, manuscripts and digital objects. ([Demo](https://archivesspace.org/application/demo), [Source Code](https://github.com/archivesspace/archivesspace)) `ECL-2.0``Ruby`
- [CKAN](https://ckan.org) - CKAN is a tool for making open data websites. ([Source Code](https://github.com/ckan/ckan)) `AGPL-3.0``Python`
- [Collective Access - Providence](https://collectiveaccess.org/) - Highly configurable Web-based framework for management, description, and discovery of digital and physical collections supporting a variety of metadata standards, data types, and media formats. ([Source Code](https://github.com/collectiveaccess/providence)) `GPL-3.0-only``PHP`
@ -160,7 +160,6 @@ _Related: [Internet of Things (IoT)](#internet-of-things-iot)_
- [AmIUnique](https://amiunique.org/) - Learn how identifiable you are on the Internet (browser fingerprinting tool). ([Source Code](https://github.com/DIVERSIFY-project/amiunique)) `MIT``Java`
- [Automatisch](https://automatisch.io) - Business automation tool that lets you connect different services like Twitter, Slack, and more to automate your business processes (Open source Zapier alternative). ([Source Code](https://github.com/automatisch/automatisch)) `AGPL-3.0``Docker`
- [Baserow](https://baserow.io/) - Open source online database tool and Airtable alternative. Create your own database without technical experience. ([Source Code](https://gitlab.com/bramw/baserow)) `MIT``Python/Nodejs`
- [Beehive](https://github.com/muesli/beehive) - Flexible event and agent system, which allows you to create your own agents that perform automated tasks triggered by events and filters. `AGPL-3.0``Go`
- [betanin](https://github.com/sentriz/betanin) - Music organization man-in-the-middle of your torrent client and music player. Based on beets.io, similar to Sonarr and Radarr. `GPL-3.0``Python`
- [ChiefOnboarding](https://chiefonboarding.com) - Employee onboarding platform that allows you to provision user accounts and create sequences with todo items, resources, text/email/Slack messages, and more! Available as a web portal and Slack bot. ([Source Code](https://github.com/chiefonboarding/ChiefOnboarding)) `AGPL-3.0``Python`
- [Datasette](https://datasette.io/) - An open source multi-tool for exploring and publishing data, easy import and export and database management. ([Demo](https://global-power-plants.datasettes.com/global-power-plants/global-power-plants), [Source Code](https://github.com/simonw/datasette)) `Apache-2.0``Python`
- [Haven](https://havenweb.org/) - Private blogging system with markdown editing and built in RSS reader. ([Demo](https://havenweb.org/demo.html), [Source Code](https://github.com/havenweb/haven)) `MIT``Ruby`
- [Serendipity](https://docs.s9y.org/) - Serendipity (s9y) is a highly extensible and customizable PHP blog engine using Smarty templating. ([Source Code](https://github.com/s9y/serendipity)) `BSD-3-Clause``PHP`
- [WriteFreely](https://writefreely.org) - Writing software for starting a minimalist, federated blog — or an entire community. ([Source Code](https://github.com/writefreely/writefreely)) `AGPL-3.0``Go`
@ -301,7 +300,6 @@ _See also: [Comparison of CalDAV and CardDAV implementations - Wikipedia](https:
- [AgenDAV](https://agendav.github.io/agendav/) - Multilanguage CalDAV web client with a rich AJAX interface and shared calendars support. ([Source Code](https://github.com/agendav/agendav)) `GPL-3.0``PHP`
- [Bloben](https://bloben.com) - CalDAV web client. ([Demo](https://demo.bloben.com/api/app/v1/auth/login-demo?username=demo&password=Bg8v16a4q7gvC&redirect=https://demo.bloben.com/calendar?demo=true), [Source Code](https://github.com/nibdo/bloben-app)) `AGPL-3.0``Docker`
- [EteSync Web](https://www.etesync.com/faq/#web-client) - EteSync's official Web-based client (i.e., their Web app). ([Demo](https://client.etesync.com/), [Source Code](https://github.com/etesync/etesync-web)) `AGPL-3.0``Javascript`
- [InfCloud](https://www.inf-it.com/open-source/clients/infcloud/) - Open source CalDAV/CardDAV web client implementation. ([Demo](https://www.inf-it.com/infcloud/), [Source Code](https://www.inf-it.com/InfCloud_0.13.1.zip)) `AGPL-3.0``Javascript`
### Communication - Custom Communication Systems
@ -313,7 +311,6 @@ _See also: [Comparison of CalDAV and CardDAV implementations - Wikipedia](https:
- [Apprise](https://github.com/caronc/apprise) - Apprise allows you to send a notification to almost all of the most popular notification services available to us today such as: Telegram, Discord, Slack, Amazon SNS, Gotify, etc. `MIT``Python/Docker`
- [BluetoothCommunicatorExample](https://github.com/niedev/BluetoothCommunicatorExample) - Bluetooth LE chat app to communicate between android devices with P2P architecture. ([Clients](https://github.com/niedev/RTranslator)) `Apache-2.0``Java`
- [Chaskiq](https://chaskiq.io) - Full featured livechat, helpcenter and CRM as an alternative to Intercom & Drift, Crisp and others. ([Source Code](https://github.com/chaskiq/chaskiq)) `AGPL-3.0``Ruby`
- [Chatwoot](https://www.chatwoot.com) - Self-hosted customer communication platform, an alternative to Intercom & Zendesk. ([Source Code](https://github.com/chatwoot/chatwoot)) `MIT``Ruby`
- [Conduit](https://conduit.rs/) - A simple, fast, and reliable chat server powered by Matrix. ([Source Code](https://gitlab.com/famedly/conduit)) `Apache-2.0``Rust`
- [Chitchatter](https://chitchatter.im/) - A peer-to-peer chat app that is serverless, decentralized, and ephemeral. ([Source Code](https://github.com/jeremyckahn/chitchatter)) `GPL-2.0``Nodejs`
@ -360,7 +357,7 @@ _See also: [Comparison of CalDAV and CardDAV implementations - Wikipedia](https:
- [Tox](https://tox.chat/) - Distributed, secure messenger with audio and video chat capabilities. ([Source Code](https://github.com/TokTok/c-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`
- [Typebot](https://typebot.io) - Typebot is a conversational app builder as an alternative to Typeform or Landbot. ([Source Code](https://github.com/baptisteArno/typebot.io)) `AGPL-3.0``Docker`
- [WBO](https://github.com/lovasoa/whitebophir#wbo) - Web Whiteboard to collaborate in real-time on schemas, drawings, and notes. ([Demo](https://wbo.ophir.dev/)) `AGPL-3.0``Nodejs/Docker`
- [WBO](https://github.com/lovasoa/whitebophir) - Web Whiteboard to collaborate in real-time on schemas, drawings, and notes. ([Demo](https://wbo.ophir.dev/)) `AGPL-3.0``Nodejs/Docker`
- [Yopass](https://github.com/jhaals/yopass) - Secure sharing of secrets, passwords and files. ([Demo](https://yopass.se/)) `Apache-2.0``Go`
- [ZeroNet](https://zeronet.io/) `⚠` - Open, free, and uncensorable websites, using Bitcoin cryptography and BitTorrent network. ([Source Code](https://github.com/HelloZeroNet/ZeroNet)) `GPL-2.0``Python`
- [Zulip](https://zulip.org) - Zulip is a powerful, open source group chat application. ([Source Code](https://github.com/zulip/zulip)) `Apache-2.0``Python`
@ -455,7 +452,6 @@ Simple deployment of [E-mail](https://en.wikipedia.org/wiki/Email) servers, e.g.
- [IMP](https://www.horde.org/apps/imp/) - HORDE application that provides webmail access to IMAP and POP3 accounts. ([Demo](http://demo.horde.org/), [Source Code](https://www.horde.org/download/imp)) `GPL-2.0``PHP`
- [Isotope Mail](https://blog.marcnuri.com/isotope-mail-client-introduction/) - Microservice based webmail client built with ReactJS and Spring. ([Source Code](https://github.com/manusa/isotope-mail)) `Apache-2.0``Docker/Java`
- [Mailpile](https://www.mailpile.is/) - Webmail client with search, filtering, encryption features and more. ([Source Code](https://github.com/mailpile/Mailpile)) `AGPL-3.0``Python`
- [Roundcube](https://roundcube.net) - Browser-based IMAP client with an application-like user interface. ([Source Code](https://github.com/roundcube/roundcubemail)) `GPL-3.0``PHP`
- [SnappyMail](https://snappymail.eu/) - Simple, modern, lightweight & fast web-based email client. (It is an actively developed fork of RainLoop). ([Demo](https://snappymail.eu/demo/), [Source Code](https://github.com/the-djmaze/snappymail)) `AGPL-3.0``PHP`
- [SquirrelMail](https://squirrelmail.org) - Another browser-based IMAP client. ([Source Code](https://sourceforge.net/p/squirrelmail/code/HEAD/tree/)) `GPL-2.0``PHP`
Software for submission of [abstracts](https://en.wikipedia.org/wiki/Abstract_management) and preparation/management of academic conferences.
- [Conference Organizing Distribution (COD)](http://usecod.com/) - Create conference and event websites built on top of Drupal. ([Source Code](https://git.drupalcode.org/project/cod)) `GPL-1.0` `PHP`
- [Conference Organizing Distribution (COD)](http://usecod.com/) - Create conference and event websites built on top of Drupal. ([Source Code](https://git.drupalcode.org/project/cod)) `GPL-2.0` `PHP`
- [frab](https://frab.github.io/frab/) - Web-based conference planning and management system. It helps to collect submissions, to manage talks and speakers and to create a schedule. ([Source Code](https://github.com/frab/frab)) `MIT``Ruby`
- [indico](https://getindico.io/) - A feature-rich event management system, made @ CERN, the place where the Web was born. ([Demo](https://sandbox.getindico.io/), [Source Code](https://github.com/indico/indico)) `MIT``Python`
@ -667,7 +663,7 @@ _Related: [Blogging Platforms](#blogging-platforms), [Static Site Generators](#s
- [BigTree CMS](https://www.bigtreecms.org/) - Straightforward, well documented, and capable written with PHP and MySQL. ([Source Code](https://github.com/bigtreecms/BigTree-CMS)) `LGPL-2.1``PHP`
- [Bludit](https://www.bludit.com/) `⚠` - Simple application to build a site or blog in seconds. Bludit uses flat-files (text files in JSON format) to store posts and pages. ([Demo](https://demo.bludit.com/), [Source Code](https://github.com/bludit/bludit)) `MIT``PHP`
- [Bolt CMS](https://boltcms.io/) - Open source Content Management Tool, which strives to be as simple and straightforward as possible. ([Source Code](https://github.com/bolt/core)) `MIT``PHP`
- [CMS Made Simple](https://www.cmsmadesimple.org/) - Open source content management system, faster and easier management of website contents, scalable for small businesses to large corporations. ([Source Code](http://svn.cmsmadesimple.org/svn/cmsmadesimple/trunk/)) `GPL-1.0` `PHP`
- [CMS Made Simple](https://www.cmsmadesimple.org/) - Open source content management system, faster and easier management of website contents, scalable for small businesses to large corporations. ([Source Code](http://svn.cmsmadesimple.org/svn/cmsmadesimple/trunk/)) `GPL-2.0` `PHP`
- [Cockpit](https://getcockpit.com) - Simple Content Platform to manage any structured content. ([Source Code](https://github.com/agentejo/cockpit)) `MIT``PHP`
- [Contao](https://contao.org/) - Contao is a powerful open source CMS that allows you to create professional websites and scalable web applications. ([Source Code](https://github.com/contao/contao/)) `LGPL-3.0``PHP`
- [s-cart](https://s-cart.org/) - S-Cart is a free e-commerce website project for individuals and businesses, built on top of Laravel Framework. ([Demo](https://demo.s-cart.org/), [Source Code](https://github.com/s-cart/s-cart)) `MIT``PHP`
- [Shopware Community Edition](https://www.shopware.com/community/) - PHP based open source e-commerce software made in Germany. ([Demo](https://www.shopware.com/en/test-demo/), [Source Code](https://github.com/shopware/platform)) `MIT``PHP`
- [Shuup](https://www.shuup.com/) - Django powered fully customizable open source e-commerce framework for small and large sites. ([Source Code](https://github.com/shuup/shuup)) `AGPL-3.0``Python`
- [Solidus](https://solidus.io/) - A free, open-source ecommerce platform that gives you complete control over your store. ([Demo](http://demo.solidus.io/), [Source Code](https://github.com/solidusio/solidus)) `BSD-3-Clause``Ruby`
- [Spree Commerce](https://spreecommerce.org) - Spree is a complete, modular & API-driven open source e-commerce solution for Ruby on Rails. ([Demo](https://new-ux.spreecommerce.org/), [Source Code](https://github.com/spree/spree)) `BSD-3-Clause``Ruby`
- [Sylius](https://sylius.com) - Symfony2 powered open source full-stack platform for eCommerce. ([Demo](https://sylius.com/try/), [Source Code](https://github.com/Sylius/Sylius)) `MIT``PHP`
@ -845,7 +840,6 @@ A [news aggregator](https://en.wikipedia.org/wiki/News_aggregator), also termed
- [JARR](https://1pxsolidblack.pl/jarr-en.html) - JARR (Just Another RSS Reader) is a web-based news aggregator and reader (fork of Newspipe). ([Demo](https://www.jarr.info/), [Source Code](https://github.com/jaesivsm/JARR)) `AGPL-3.0``Python`
- [Leed](https://github.com/LeedRSS/Leed) - Leed (for Light Feed) is a Free and minimalist RSS aggregator. `AGPL-3.0``PHP`
- [Leselys](https://github.com/toxinu/leselys) - Your very elegant RSS reader. `AGPL-3.0``Python`
- [Miniflux](https://miniflux.app/) - Miniflux is a minimalist and open source news reader, written in Go and PostgreSQL. ([Source Code](https://github.com/miniflux/v2)) `Apache-2.0``Go`
- [Moonmoon](https://moonmoon.org/) - Simple feed aggregator (planet like): it only aggregates feeds and spits them out in one single page. ([Source Code](https://github.com/moonmoon/moonmoon)) `BSD-3-Clause``PHP`
- [NewsBlur](https://www.newsblur.com/) - NewsBlur is a personal news reader that brings people together to talk about the world. A new sound of an old instrument. ([Source Code](https://github.com/samuelclay/NewsBlur)) `MIT``Python`
- [REI3](https://rei3.de/home_en/) - Open source, expandable Business Management Software. Manage tasks, time, assets and much more. ([Demo](https://rei3.de/demo_en/), [Source Code](https://github.com/r3-team/r3)) `MIT``Go`
- [SilverStrike](https://silverstrike.org/) - Personal finance management made easy. ([Demo](https://demo.silverstrike.org/), [Source Code](https://github.com/agstrike/silverstrike)) `MIT``Python/Django`
- [Tabby](https://github.com/bertvandepoel/tabby) - A tool to manage shared expenses across friends, such as restaurant costs or food delivery, without requiring everyone to create an account. Includes email reminders and tracks who has (re)paid what. `AGPL-3.0-only` `PHP`
- [Tabby](https://github.com/bertvandepoel/tabby) - A tool to manage shared expenses across friends, such as restaurant costs or food delivery, without requiring everyone to create an account. Includes email reminders and tracks who has (re)paid what. `AGPL-3.0` `PHP`
- [Traq](https://traq.io/) - Project management and issue tracking system written in PHP. ([Source Code](https://github.com/nirix/traq)) `GPL-3.0``PHP/Nodejs`
- [Tuleap](https://www.tuleap.org/) - Tuleap is a libre suite to plan, track, code and collaborate on software projects. ([Source Code](https://tuleap.net/plugins/git/tuleap/tuleap/stable?p=tuleap%2Fstable.git&a=tree)) `GPL-2.0``PHP`
- [UVDesk](https://www.uvdesk.com/) - UVDesk community is a service oriented, event driven extensible opensource helpdesk system that can be used by your organization to provide efficient support to your clients effortlessly whichever way you imagine. ([Demo](https://demo.uvdesk.com/), [Source Code](https://github.com/uvdesk/community-skeleton)) `MIT``PHP`
- [Raneto](https://raneto.com/) - Raneto is an open source Knowledgebase platform that uses static Markdown files to power your Knowledgebase. ([Source Code](https://github.com/ryanlelek/Raneto)) `MIT``Nodejs`
- [TiddlyWiki](https://tiddlywiki.com/) - Reusable non-linear personal web notebook. ([Source Code](https://github.com/Jermolene/TiddlyWiki5)) `BSD-3-Clause``Nodejs`
- [Tiki](https://tiki.org/HomePage) - Wiki CMS Groupware with the most built-in features. ([Demo](https://tiki.org/Try-Tiki), [Source Code](https://sourceforge.net/p/tikiwiki/code/HEAD/tree/)) `LGPL-2.1``PHP`
- [TWiki](https://twiki.org/) - TWiki is a Perl-based structured wiki application, typically used to run a collaboration platform, knowledge or document management system, a knowledge base, or team portal. ([Demo](https://twiki.org/cgi-bin/view/Sandbox/WebHome), [Source Code](http://svn.twiki.org/svn/twiki/)) `GPL-1.0` `Perl`
- [TWiki](https://twiki.org/) - TWiki is a Perl-based structured wiki application, typically used to run a collaboration platform, knowledge or document management system, a knowledge base, or team portal. ([Demo](https://twiki.org/cgi-bin/view/Sandbox/WebHome), [Source Code](http://svn.twiki.org/svn/twiki/)) `GPL-2.0` `Perl`
- [WackoWiki](https://wackowiki.org/) - WackoWiki is a light and easy to install multilingual Wiki-engine. ([Source Code](https://github.com/WackoWiki/wackowiki)) `BSD-3-Clause``PHP`
- [Wiki.js](https://js.wiki/) - Modern, lightweight and powerful wiki app using Git and Markdown. ([Demo](https://docs.requarks.io), [Source Code](https://github.com/Requarks/wiki)) `AGPL-3.0``Nodejs`
- [wiki](https://git.mills.io/prologic/wiki) - Simple Markdown based wiki engine. ([Demo](https://wiki.mills.io)) `MIT``Go`
- [Chaskiq](https://chaskiq.io) - Full featured livechat, helpcenter and CRM as an alternative to Intercom & Drift, Crisp and others. ([Source Code](https://github.com/chaskiq/chaskiq)) `AGPL-3.0/Commons-Clause``Ruby`
- [PrivMX WebMail](https://privmx.com) - Alternative private mail system - web-based, end-to-end encrypted by design, self-hosted, decentralized, uses independent PKI. Easy to install and administrate, freeware, open-source. `⊘ Proprietary``PHP`
- [WorkAdventure](https://workadventu.re) - Virtual office / virtual conference application presented as a 16-bit RPG video game. ([Demo](https://play.staging.workadventu.re/@/tcm/workadventure/wa-village), [Source Code](https://github.com/thecodingmachine/workadventure/)) `AGPL-3.0/Commons-Clause``Docker`