These are resources, not necessarily recommendations (though for some tools I've written a glowing review). Some are free and others are free to try then require purchase. Please check them out and decide for yourself if they will work in your classroom.
AllSides: Current events news stories from the left, right, and moderate perspectives
Embracerace.org: Tools and resources for teaching about all forms of racism, social justice and nurturing inclusivity
Voices of Democracy - " promotes the study of great speeches and debates in U.S. history "