FLOSS Manuals (https://www.flossmanuals.org/) is an organization that has online volunteers who produce free manuals on the topic of FOSS (Free and Open Source Software) in their own language. Due to the hard work of these volunteers, there are over 120 books produced in over 30 languages. Making this information more accessible is something that this organization is passionate about
Anyone who wants to participate in this program can, especially if you are passionate about writing about free software. As a volunteer, you can perform a variety of tasks including updating or improving on existing manuals, reviewing and fact checking, writing new manuals, or proofreading these manuals as they are being written.
The major benefit of volunteering with this organization is that you can make sure that people have better access to the up-to-date information that they need when they need it.
There is no specific time requirement for volunteers. Whatever you can do for this organization is appreciated, as long as you do your best to complete your tasks well.
In addition to the previously mentioned ways to participate in this organization, there are other things that need to be done to help make these manuals better. You can promote the manuals by creating blog posts about them and about any other recent activities of this organization. You can also test these manuals in workshops. Lastly, you can offer feedback on the manuals to ensure they are as great as possible.