ProjectPier.org : ProjectPier is a Free, Open-Source, PHP application for managing tasks, projects and teams through an intuitive web interface. It must be downloaded a...
poche : poche is a self hosted read-it-later app. unlike to other services, poche is free and open source.
GitPrep : GitPrep is Github clone. you can install portable github system into unix/linux. You can create users and repositories without limitation.
Keycloak : Keycloak is an Open Source Identity and Access Management solution for modern Applications and Services.