This category includes tools that are oriented towards building a strong foundation for movement scaling. These tools provide examples of ways in which social movements and social movement organizations can build capacity among members and leaders, structure the organization to achieve its goals, and encourage internal and external relationships that advance the nonviolent or peacebuilding mission. From ensuring that there is a space for all members to feel welcome and safe, to building trust across conflict lines, these tools are the core of building a movement from the inside out.