Software
1250 self-hosted open-source tools in this category.
Dittofeed
Omni-channel customer engagement and messaging automation platform (alternative to Braze, Customer.io, Iterable). ([Demo](https://demo.dittofeed.com/dashboard/journeys), [Source Code](https://github.com/dittofeed/dittofeed))
Healthchecks
Listen for pings and sends alerts when pings are late. ([Source Code](https://github.com/healthchecks/healthchecks))
Kestra
Event-driven, language-agnostic platform to create, schedule, and monitor workflows. In code. Coordinate data pipelines and tasks such as ETL and ELT. ([Source Code](https://github.com/kestra-io/kestra))
Kibitzr
Lightweight personal web assistant with powerful integrations. ([Source Code](https://github.com/kibitzr/kibitzr))
Leon
Personal assistant who can live on your server. ([Source Code](https://github.com/leon-ai/leon))
Mylar3
Automated Comic Book (cbr/cbz) downloader program for use with NZB and torrents. ([Source Code](https://github.com/MylarComics/mylar3))
OliveTin
Web interface for running Linux shell commands. ([Source Code](https://github.com/OliveTin/OliveTin))
pyLoad
Lightweight, customizable and remotely manageable downloader for 1-click-hosting sites like rapidshare.com or uploaded.to. ([Source Code](https://github.com/pyload/pyload))
StackStorm
StackStorm (aka _IFTTT for Ops_) is event-driven automation for auto-remediation, security responses, troubleshooting, deployments, and more. Includes rules engine, workflow, 160 integration packs with 6000+ actions and ChatOps. ([Source Code](https://github.com/StackStorm/st2))
Antville
Free, open source project aimed at the development of a high performance, feature rich weblog hosting software. ([Source Code](https://github.com/antville/antville))
Castopod
Podcast management hosting platform that includes the latest podcast 2.0 standards, an automated Fediverse feed, analytics, an embeddable player, and more. ([Source Code](https://code.castopod.org/adaures/castopod))
Chyrp Lite
Extra-awesome, extra-lightweight blog engine. ([Source Code](https://github.com/xenocrat/chyrp-lite))
Dotclear
Take control over your blog
Ech0
Lightweight federated publishing platform focused on personal idea sharing (documentation in Chinese). ([Demo](https://memo.vaaat.com/), [Source Code](https://github.com/lin-snow/Ech0))
FlatPress
A lightweight, easy-to-set-up flat-file blogging engine. ([Source Code](https://github.com/flatpressblog/flatpress))
Ghost
Just a blogging platform. ([Source Code](https://github.com/TryGhost/Ghost))
Haven
Private blogging system with markdown editing and built in RSS reader. ([Demo](https://havenweb.org/demo.html), [Source Code](https://github.com/havenweb/haven))
HTMLy
Databaseless PHP blogging platform. A flat-file CMS that allows you to create a fast, secure, and powerful website or blog in seconds. ([Demo](http://demo.htmly.com/), [Source Code](https://github.com/danpros/htmly))
Known
Collaborative social publishing platform. ([Source Code](https://github.com/idno/idno))
Mataroa
Naked blogging platform for minimalists. ([Source Code](https://github.com/mataroablog/mataroa))
PluXml
XML-based blog/CMS platform. ([Source Code](https://github.com/pluxml/PluXml))
Serendipity
Serendipity (s9y) is a highly extensible and customizable PHP blog engine using Smarty templating. ([Source Code](https://github.com/s9y/serendipity))
WriteFreely
Writing software for starting a minimalist, federated blog — or an entire community. ([Source Code](https://github.com/writefreely/writefreely))
Alf.io
Ticket reservation system. ([Demo](https://demo.alf.io/authentication), [Source Code](https://github.com/alfio-event/alf.io))