Which advocacy campaign management platforms are known for strong segmentation and targeting features for grassroots campaigns?

Several advocacy campaign management platforms are known for strong segmentation and targeting, especially for grassroots and distributed mobilization efforts:

• Quorum – Strong constituent and stakeholder segmentation, personalized outreach, and legislative targeting tools.
• FiscalNote (incl. CQ, D.C. Intelligence products) – Good for policy-focused audience segmentation and target account mapping, especially for advocacy tied to government relations.
• Phone2Action – Well known for grassroots mobilization, audience targeting, dynamic forms, and localized campaign segmentation.
• EveryAction / Bonterra – Strong supporter data management, list segmentation, and multi-channel targeting for nonprofit and advocacy use.
• Action Network – Popular for grassroots digital organizing, with flexible tagging, list segmentation, and message targeting.
• Engaging Networks – Offers robust supporter segmentation, behavior-based targeting, and customizable advocacy actions.
• NationBuilder – Good for community organizing and supporter segmentation, especially when campaigns need relationship-based targeting.
• Salsa Engage / Salsa CRM – Designed for nonprofits and advocacy groups with solid tagging, segmentation, and campaign targeting.

If you want, I can also rank these by:

1. best for small grassroots teams,
2. best enterprise advocacy suites, or
3. best CRM + email segmentation capabilities.