Software with no development activity for 6-12 months may be removed from the list
Unmaintained software without an active community and/or persistent security issues may be removed from the list
Problems should be reported automatically:

Add software to the list

Create a new software/software-name.yml file, based on the template in .github/ISSUE_TEMPLATES/addition.md. Please use kebab-case for file naming, for example my-awesome-software.yml.
Remove comments and unused optional fields
Enter a descriptive commit message (such as add My Awesome software)
Select Create a new branch for this commit and start a pull request
Click Propose new file
Click Create pull request

If you are not comfortable sending a pull request, please open a new issue.

In single page mode the software will only appear under the first category in its tags list, so choose wisely.

Add a tag/category

Tags represent functional categories/features of the software, and must be added to tags/tag-name.yml (use existing tags as example). Any tag must have a minimum of 3 software projects referencing it. The Miscellaneous tag can be used for software not matching any existing category.

# project name
name: Project Management
# description of what this tag/category is about (markdown allowed)
description: '[Project management](https://en.wikipedia.org/wiki/Project_management) is the process of leading the work of a team to achieve all project goals within the given constraints.'
# (optional) list of related tags, by name
related_tags:
  - Ticketing
  - Task management & To-do lists
# (optional) external links
external_links:
  - title: awesome-sysadmin/Code Review
    url: https://github.com/awesome-foss/awesome-sysadmin#code-review

Add a license

Free and Open-Source software licenses (preferably SPDX identifier, or custom licenses, must be added to licenses.yml (use existing licenses as example):

  # short license identifier
- identifier: ZPL-1.2
  # full license name
  name: Zope Public License 1.2
  # link to the full license text
  url: http://zpl.pub/page/zplv12

Add a language/platform

Languages/requirements/technologies used to run or build the software should be listed in platforms/platform-name.yml (use existing platforms as example):

# language/platform name
name: Java
# general description of the programming language or deployment platform (markdown allowed)
description: "[Java](https://en.wikipedia.org/wiki/Java_(programming_language)) is a high-level, class-based, object-oriented programming language that is designed to have as few implementation dependencies as possible."

Other

Rename a tag/category: the tag must be renamed in the appropriate tags/mytag.yml file. All references to it must be updated in tags/*.yml and software/*.yml.

Automated tasks:

$ make help
install             install build tools in a virtualenv
import              import data from original list at https://github.com/awesome-selfhosted/awesome-selfhosted
update_metadata     update metadata from project repositories/API
awesome_lint        check data against awesome-selfhosted guidelines
export              export markdown singlepage document from yaml data
url_check           check URLs for dead links or other connection problems
authors             update the AUTHORS file
clean               clean files generated by automated tasks
help                generate list of targets with descriptions

License

This list is under the Creative Commons Attribution-ShareAlike 3.0 Unported License