Software

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))

Lightweight, easy-to-set-up flat-file blogging engine. ([Source Code](https://github.com/flatpressblog/flatpress))

Just a blogging platform. ([Source Code](https://github.com/TryGhost/Ghost))

Private blogging system with markdown editing and built in RSS reader. ([Demo](https://havenweb.org/demo.html), [Source Code](https://github.com/havenweb/haven))

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))

Collaborative social publishing platform. ([Source Code](https://github.com/idno/idno))

Naked blogging platform for minimalists. ([Source Code](https://github.com/mataroablog/mataroa))

XML-based blog/CMS platform. ([Source Code](https://github.com/pluxml/PluXml))

Highly extensible and customizable PHP blog engine using Smarty templating (s9y). ([Source Code](https://github.com/s9y/serendipity))

Writing software for starting a minimalist, federated blog — or an entire community. ([Source Code](https://github.com/writefreely/writefreely))

Ticket reservation system. ([Demo](https://demo.alf.io/authentication), [Source Code](https://github.com/alfio-event/alf.io))

Online appointment scheduling system. ([Demo](https://app.cal.com/bailey), [Source Code](https://github.com/calcom/cal.com))

Allows your customers to book appointments with you via the web. ([Demo](https://demo.easyappointments.org/), [Source Code](https://github.com/alextselegidis/easyappointments))

Event management and ticketing platform for conferences, concerts, and more. Offering customizable event pages and embeddable ticket widgets. ([Demo](https://demo.hi.events/event/1/dog-conf-2030), [Source Code](https://github.com/HiEventsDev/hi.events))

Resource scheduling solution offering a flexible, mobile-friendly, and extensible interface for organizations to manage resource reservations. ([Demo](https://librebooking-demo.fly.dev/), [Source Code](https://github.com/LibreBooking/librebooking))

Customizable and intuitive web-based hotel reservation system and a booking engine. ([Demo](https://demo.qloapps.com/), [Source Code](https://github.com/Qloapps/QloApps))

Create polls to vote on dates and times (alternative to Doodle). ([Demo](https://app.rallly.co), [Source Code](https://github.com/lukevella/rallly))

Webbased app to book seats, desks and rooms for offices. ([Source Code](https://github.com/seatsurfing/seatsurfing))

Create bunches of links to share with your learners or colleagues. ([Demo](https://ladigitale.dev/digibunch/#/b/5f67b12092b60), [Source Code](https://codeberg.org/ladigitale/digibunch))

Host your own Firefox accounts server. ([Source Code](https://github.com/mozilla/fxa))

Bookmark manager with a modern UI, automatic content & metadata extraction, categorization, filtering, and more. It has fully documented REST API, and Docker image for easy deployment. ([Source Code](https://github.com/goniszewski/grimoire))

Bookmark-everything app with a touch of AI for the data hoarders out there. ([Demo](https://try.karakeep.app/signin), [Source Code](https://github.com/karakeep-app/karakeep))

Bookmark archive with automatic backups to the Internet Archive, link monitoring, and a full REST API. Installation is done via Docker, or as a simple PHP application. ([Demo](https://demo.linkace.org/guest/links), [Source Code](https://github.com/Kovah/LinkAce/))

Minimal bookmark management with a fast and clean UI. Simple installation through Docker and can run on your Raspberry Pi. ([Demo](https://demo.linkding.link/login/), [Source Code](https://github.com/sissbruecker/linkding))