A self-hosted scrobbling server. Written in Python3. Split into a back-end and a front-end. Requires Postgres, Redis, and Nginx to proxy.
Another self-hosted Github work-alike, forked from Gogs. Lightweight, written in Go, will run anywhere you can compile Go for. If you know how to use Github, you probably know how to use Gitea.
A Github workalike that is self-hosted. Written in Go, runs anywhere you can compile Go code for. Lightweight, will run happily on a RasPi. If you know how to use and admin Github, you know how to use Gogs already.
Github repo: https://github.com/gogs/gogs
AlternativeTo.net's collection of self hosted webapps.
A calendar and contact server written in Python. selfhosted Supports HTTP, CalDAV, and CardDAV. Local and remote access. Compatible with anything that supports those protocols. exocortex switchboard Uses Git as its back-end by default, supports others but they're less tested. Lightweight, few dependencies. Events, todos, journaling. Minimal configuration to be up and running. Throw it behind a reverse proxy and it'll use the existing .htpasswd file as its native authentication system. Website isn't as up to date as the github repo is.
A collection list of selfhosted apps to increase one's privacy and possibly anonymity. webapps tools
A personal finance management webapp written in php. charts graphs selfhosted budget
FOSS notetaking application. selfhosted crossplatform Documents are kept in markdown and can be organized into notebooks. Can import from Evernote. Instances of Joplin can synchronize with each other, with a file system, or with MS OneDrive. Text mode version, web version, apps on the usual platforms, Electron version for desktop. Written with nodejs, unfortunately. Nobody's perfect. Implements search and tags.
foss selfhosted A single page webapp for tracking a cryptocurrency portfolio. Enter your coins and values and it
Personal bookmark service. Does not use a database. Can be run entirely privately. Has an API and a full-text search function. Very simple to use. Also lends itself to snippets, note taking, comments, hashtags. Offers RSS and ATOM feeds.