- [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-only``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`
- [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`
@ -44,6 +45,7 @@ _Some [Content Management System](#content-management-systems-cms) solutions als
- [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`
- [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`
- [Horahora](https://github.com/horahoradev/horahora) - Video hosting website and video archival manager for Niconico, Bilibili, and Youtube. `MIT``Go`
- [Horahora](https://github.com/horahoradev/horahora) - Video hosting website and video archival manager for Niconico, Bilibili, and Youtube. `MIT``Go`
### Automation
### Automation
**[`^ back to top ^`](#)**
**[`^ back to top ^`](#)**
@ -93,6 +95,7 @@ _Related: [Internet of Things (IoT)](#internet-of-things-iot)_
- [ZeroQueue](https://github.com/thezeroqueue/zeroqueue) - A low-code queue management system that lets you run scheduled jobs for anything. `GPL-3.0``Nodejs`
- [ZeroQueue](https://github.com/thezeroqueue/zeroqueue) - A low-code queue management system that lets you run scheduled jobs for anything. `GPL-3.0``Nodejs`
- [µTask](https://github.com/ovh/utask) - µTask is an automation engine that models and executes business processes declared in yaml. `BSD-3-Clause``Go`
- [µTask](https://github.com/ovh/utask) - µTask is an automation engine that models and executes business processes declared in yaml. `BSD-3-Clause``Go`
### Blogging Platforms
### Blogging Platforms
**[`^ back to top ^`](#)**
**[`^ back to top ^`](#)**
@ -225,6 +228,7 @@ _See also: [Comparison of CalDAV and CardDAV implementations - Wikipedia](https:
- [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`
- [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/Other``Python`
- [Zulip](https://zulip.org) - Zulip is a powerful, open source group chat application. ([Source Code](https://github.com/zulip/zulip)) `Apache-2.0/Other``Python`
### Communication - Email
### Communication - Email
**[`^ back to top ^`](#)**
**[`^ back to top ^`](#)**
@ -252,6 +256,7 @@ _Simple deployment of a mail server, e.g. for inexperienced or impatient admins.
- [SimpleLogin](https://simplelogin.io) - Open source email alias solution to protect your email address. Comes with browser extensions and mobile apps. ([Source Code](https://github.com/simple-login/app)) `MIT``Docker/Python`
- [SimpleLogin](https://simplelogin.io) - Open source email alias solution to protect your email address. Comes with browser extensions and mobile apps. ([Source Code](https://github.com/simple-login/app)) `MIT``Docker/Python`
- [Sendmail](https://www.proofpoint.com/us/products/email-protection/open-source-email-solution) - Message transfer agent (MTA). `Sendmail``C`
- [Sendmail](https://www.proofpoint.com/us/products/email-protection/open-source-email-solution) - Message transfer agent (MTA). `Sendmail``C`
- [Slimta](https://www.slimta.org) - Mail Transfer Library built on Python. ([Source Code](https://github.com/slimta/python-slimta)) `MIT``Python`
- [Slimta](https://www.slimta.org) - Mail Transfer Library built on Python. ([Source Code](https://github.com/slimta/python-slimta)) `MIT``Python`
### Communication - Email - Mail Delivery Agents
### Communication - Email - Mail Delivery Agents
_MDAs - IMAP/POP3 software_
_MDAs - IMAP/POP3 software_
@ -278,6 +284,7 @@ _MDAs - IMAP/POP3 software_
- [MailForm](https://github.com/Feuerhamster/mailform) - Lightweight self-hosted open source alternative to Formspree and SendGrid. `Apache-2.0``Nodejs`
- [MailForm](https://github.com/Feuerhamster/mailform) - Lightweight self-hosted open source alternative to Formspree and SendGrid. `Apache-2.0``Nodejs`
### Communication - Email - Mailing Lists and Newsletters
### Communication - Email - Mailing Lists and Newsletters
_Mailing lists servers and mass mailing software - one message to many recipients._
_Mailing lists servers and mass mailing software - one message to many recipients._
@ -295,6 +302,7 @@ _Mailing lists servers and mass mailing software - one message to many recipient
- [Schleuder](https://schleuder.nadir.org/) - GPG-enabled mailing list manager with resending-capabilities. ([Source Code](https://0xacab.org/schleuder/schleuder/tree/master)) `GPL-3.0``Ruby`
- [Schleuder](https://schleuder.nadir.org/) - GPG-enabled mailing list manager with resending-capabilities. ([Source Code](https://0xacab.org/schleuder/schleuder/tree/master)) `GPL-3.0``Ruby`
- [Sympa](https://www.sympa.org/) - Mailing list manager. `GPL-2.0``Perl`
- [Sympa](https://www.sympa.org/) - Mailing list manager. `GPL-2.0``Perl`
### Communication - Email - Webmail Clients
### Communication - Email - Webmail Clients
- [Afterlogic WebMail Lite](https://afterlogic.org/webmail-lite) - Fast and easy-to-use webmail front-end for your existing IMAP mail server, Plesk or cPanel. ([Demo](https://lite.afterlogic.com/), [Source Code](https://github.com/afterlogic/webmail-lite)) `AGPL-3.0``PHP`
- [Afterlogic WebMail Lite](https://afterlogic.org/webmail-lite) - Fast and easy-to-use webmail front-end for your existing IMAP mail server, Plesk or cPanel. ([Demo](https://lite.afterlogic.com/), [Source Code](https://github.com/afterlogic/webmail-lite)) `AGPL-3.0``PHP`
@ -307,6 +315,7 @@ _Mailing lists servers and mass mailing software - one message to many recipient
- [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`
- [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`
- [SquirrelMail](https://squirrelmail.org) - Another browser-based IMAP client. ([Source Code](https://sourceforge.net/p/squirrelmail/code/HEAD/tree/)) `GPL-2.0``PHP`
- [SquirrelMail](https://squirrelmail.org) - Another browser-based IMAP client. ([Source Code](https://sourceforge.net/p/squirrelmail/code/HEAD/tree/)) `GPL-2.0``PHP`
### Communication - IRC
### Communication - IRC
**[`^ back to top ^`](#)**
**[`^ back to top ^`](#)**
@ -327,6 +336,7 @@ _[IRC](https://en.wikipedia.org/wiki/Internet_Relay_Chat) communication software
- [Weechat](https://weechat.org/) - Fast, light and extensible chat client. `GPL-3.0``C`
- [Weechat](https://weechat.org/) - Fast, light and extensible chat client. `GPL-3.0``C`