Hundreds of thousands of people—over 3 million, if you listen to Nate Silver—took part in Women's marches across America on Saturday. The marches were among the largest mass protests in American history, and they were inspiring for a lot of us who've been feeling despondent since November 9th. But though there is sweet satisfaction in getting under President Fragile Ego's skin, the real work of resisting the Trump administration's agenda begins now. Here are a few ways to harness that march-sourced energy and keep the fight going.

Swing Left: Voting in the midterm elections is the best revenge against Trump and House Republicans, but for folks who live in blue districts, this feels like something of a lost cause. Swing Left will hook you up with your closest swing district and/or closest Republican-led district, so you can stay updated (via one email a week) on the issues at hand, and volunteer to campaign/canvass/get out the vote for those embattled Democrats when the time comes.

Stop Trump's #SwampCabinet: On January 24th, Working Families Party,, People’s Action, and others are hosting “Stop Trump’s #SwampCabinet” rallies at senate offices across the country. The plan is to protest Trump's picks for his Cabinet of Horrors, in hopes of getting elected officials to block their nominations in the coming weeks. You can help host a rally at your senators' district office, though if you'd prefer just to attend, MoveOn will help you find a rally near you.

Indivisible: A team of former congressional staffers compiled this practical guide to help citizens opposed to Trump take effective action with their representatives. Basically, it suggests the same methods of local grassroots advocacy the Tea Party used against Obama in 2009-2010—it worked all too well for them, so it makes sense to take a page or two out of their playbook.

10 Actions 100 Days: The Women's March organizers have helpfully started this resource for Trump opposers who want to keep the fight alive during his first 100 days. If you sign up on the Women's March website, every 10 days you'll get an email with a new collective action the organizers suggest you take—the first one involves writing your demands on a postcard and sending it to your senators.

100 Days of Resistance: Michael Moore set up this resource for those who want to take part in collective action against Trump's first hundred days in office. If you sign up, you'll get alerts about peaceful acts of protest and resistance against inevitabilities like the repeal of the Affordable Care Act, anti-climate change policies, attacks on women's rights, and religious, racial and immigration discrimination. The group also plans to set forth a "positive agenda," with demands for everything from a halt to police violence to single-payer healthcare, to addressing income inequality.

2 Hours A Week: If you sign up with this community organizing group, you'll get daily emails suggesting single, small actions you can take to fight against the Trump administration (adding up to two hours of tangible action a week). You can also sign up to get information about local meetings, or even join the organizing committee.

Women's Guard: If you sign up with the Women's Guard, you will commit one day per month to demonstrating publicly at a protest of your choice, with causes including women's rights, Black Lives Matter, climate change, and LGBTQ rights.

Call your Congresspeople: Former and current Congressional staffers have said this again and again—calling your elected representatives is The Best way to get them to listen to you. These lists of Senate phone numbers and House phone numbers are a good place to start, and The Nation compiled some scripts you can use to list your complaints about cabinet picks like Betsy DeVos and Jeff Sessions, if you need some help getting started. Call. Every. Single. Day.

These resources will help us organize and keep the flames of resistance alive, but you should continue to donate to places like the ACLU and Planned Parenthood, as well as some of the smaller nonprofits we've rounded up here before. You should also continue to attend protests, both big and small, for causes across the board—we'll publish monthly protest roundups to help with the Trumpsistance, and keep your eyes peeled for information about potential anti-Trump marches on April 15th to protest Trump's refusal to release his taxes.