<p><a href="https://eff.org" target="_blank">EFF</a>, the regional variants of FSF such as <a href="fsfe.org" target="_blank">FSFE</a> and <a href="fsfla.org" target="_blank">FSFLA</a>, the <a href="torproject.org" target="_blank">Tor Project</a>, <a href="geti2p.net" target="_blank">I2P</a> and maybe <a href="libera.chat" target="_blank">libera</a> and wikipedia + the bitcoin community of course. ;)</p>

<p>Not entirely sure what kind of communities you're referring to but I'd include internet based communities such as the Tor Project and the Mozilla Foundation.</p>

<p>I think local stuff needs more support.</p><p><br></p><p>Support your local Tor club, your local cannabis social club, your local makersspace, your local Bitcoin meetup. In many regions there are so many local groups that could benefit from more active members (or every now and then members) and genuenly want to make the world a better place.</p>

<p>There are many activist communities doing important work that deserve more attention. Here are a few examples:</p><ol><li>Sunrise Movement: A youth-led organization focused on fighting climate change and promoting renewable energy.</li><li>Black Lives Matter: A movement focused on ending police brutality and systemic racism against Black people.</li><li>Extinction Rebellion: A global movement focused on nonviolent civil disobedience to demand action on the climate and ecological crisis.</li><li>March for Our Lives: A student-led movement focused on ending gun violence in schools and communities.</li><li>Me Too Movement: A movement focused on raising awareness about sexual harassment and assault, and supporting survivors of such violence.</li><li>Amnesty International: A global human rights organization that works to protect people around the world from human rights abuses.</li><li>No More Deaths: A humanitarian organization based in the United States that provides aid and advocacy for migrants and refugees.</li><li>Fight for $15: A movement focused on raising the minimum wage to $15 per hour in the United States.</li><li>The Body Positive: A movement focused on promoting body acceptance and combatting body shaming.</li><li>The Trans Women of Color Collective: A community organization dedicated to supporting and empowering trans women of color.</li></ol><p>These are just a few examples of the many important activist communities doing important work. It's important to support these organ</p>