It's Blue Turn: Don't Despair, Take Action

Building localized grassroots

Run for Something: rebuilding progressive brand from the ground up
Sister District: building protections on the state level
Four Directions: GOTV Native American voters in critical states and districts across the country

Fighting in the courts

Public Citizen: regulatory challenges, Congress watchdog
CREW: fighting for government accountability
Lawyers' Committee for Civil Rights Under Law
NAACP Legal Defense Fund
Electronic Frontier Foundation
Brennan Center for Justice
Common Cause
National Immigration Litigation Alliance

Protecting immigrants and refugees

Defending Our Neighbors Fund: ensuring that immigrant families have fair access to lawyers (ACLU and allies)
RAICES: providing free and low-cost legal services to underserved immigrant children, families, and refugees
HIAS: refugee assistance and advocacy
Immigrant Family Defense Fund : assisting families with undocumented parents

Documenting corruption and building local connections

ProPublica: some of the best independent investigative journalism
States Newsroom: state-focused nonprofit news organization, inform people about the state policies that shape their lives
Courier: local newsrooms in key states
Center for Public Integrity: nonprofit newsroom
Bolts Magazine: local power, overlooked elections, grassroots change
The Guardian: world-class investigative reporting
The Rolling Stone: yes, also political coverage