Best Advocacy Software in 2026: Top 10 Platforms Compared

Quick Answer: Advocacy software helps organizations mobilize supporters, send targeted messages to policymakers, manage contacts, and measure campaign impact, all from a single platform. The best solution depends on your organization's size, budget, and whether you need CRM, legislative tracking, canvassing, or fundraising tools alongside core advocacy features.

Whether you’re a national nonprofit, a local coalition, or a public affairs firm, advocacy software can streamline outreach, speed up communication, and make it easier for supporters to take action.

But with so many platforms out there, choosing the right one can feel overwhelming.

That’s why the team at Muster put together this guide to the top 10 advocacy software solutions. Based on our experience working with advocacy groups of all sizes, we’ve reviewed the best platforms to help you find the right fit for your goals.

Modern advocacy platforms typically combine several capabilities:

• Grassroots campaign management: building action centers where supporters can send messages or sign petitions
• Contact and supporter management (CRM): organizing and segmenting your advocate database
• Email and SMS broadcasts: reaching supporters with campaign updates and calls to action
• Legislative targeting: automatically routing messages to the correct local, state, or federal officials
• Reporting and analytics: tracking advocacy volume, message delivery, and campaign effectiveness

Quick Comparison: Top 10 Advocacy Software Platforms

1. Muster - Best Overall Advocacy Software Solution

Overview

Offering an extensive suite of advocacy, communication, and supporter management tools, Muster is the top advocacy software solution for nonprofits and associations.

From small grassroots groups to large nonprofits and associations, Muster advocacy campaigns offer all the tools to create scalable grassroots campaigns that engage and influence.

Muster’s comprehensive platform offers users a powerful CRM and digital advocacy tools. One thing that sets Muster apart is its truly flexible solution, which allows organizations to buy the solutions they need. Organizations using other CRM systems and marketing tools can purchase Muster's full-featured advocacy solution to create campaigns and capture analytics without having to purchase redundant tools.

Top Muster Features

Muster offers an extensive range of must-have features, including: 

• Customizable action centers - Customize your campaign with your organization’s brand elements, videos, messages, and more. 

• Local, state, federal, and custom target advocacy and petitions - Reach lawmakers at the local, state, and federal levels. Or, request a custom target, unique to your campaign, such as a regulatory agency. Add a custom target for your petition campaigns as well.

• Robust message personalization: Pre-load templated messages while giving advocates room to add their personal stories. Turn on message rotation or message mapping to make messaging even more targeted. 
  
  

• Email and Text Broadcasts - Stay in touch with your advocates even when they’re on the go with Muster’s text broadcasts and mobile-friendly action centers. 

• Unified CRM for managing contacts - Manage your supporters by organizing them into unique contact lists, allowing you to organize campaigns, send personalized messages, and track key relationships. 

• In-depth, real-time analytics and reporting - Stay on top of your campaigns with stakeholder mapping and data cultivation tools. 

Muster Pricing: Flexible, modular solutions. See Muster's pricing and plans or request a demo to discuss your organization's needs.

2. Grassroots Unwired - Best Canvassing Software for Grassroots Advocacy

Overview

Grassroots Unwired is an advocacy software platform that specializes in peer-to-peer advocacy and virtual canvassing. Virtual canvassing is an alternative to traditional canvassing and can help advocacy organizations looking to gather support in their communities. 

Top Grassroots Unwired Features

Grassroots Unwired provides advocacy groups using their platform with: 

• Both tablet and remote canvassing options - Grassroots Unwired offers two virtual canvassing solutions: volunteers can complete door-to-door and street canvassing more efficiently with virtual canvassing tools on their tablet or they can canvass from home using virtual communication and conferencing software. 

• Multi-lingual and branching scripts - You can ensure your volunteers hit all of your organization’s most important talking points with branching scripts and reach out to even more supporters with multi-lingual scripts. 

• Real-time reporting tools - Supervisors can track your canvassers in the field, allowing them to get in touch with your volunteers at a moment’s notice. 

Pricing: Explore Grassroots Unwired’s advocacy software by requesting a demo.

3. NationBuilder - Comprehensive Tools For Community Building and Campaigns

Overview

NationBuilder is an all-in-one platform that helps organizations build communities for advocacy, campaigning, and fundraising. It combines a website builder, CRM, email marketing, and fundraising tools, popular with political campaigns, nonprofits, and grassroots movements. Unlike advocacy-only platforms, it emphasizes relationship-building to grow supporter bases and boost engagement through personalized outreach and supporter tracking.

Top NationBuilder Features

With NationBuilder's platform, you can look forward to benefits such as:

• Website & Action Page Builder - Build fully functional, mobile-optimized websites with advocacy-focused landing pages like petitions, event RSVPs, and volunteer sign-ups—without needing a separate CMS.

• Email and Text Messaging Tools - Send mass emails, automated series, and text messages with built-in A/B testing, tracking, and supporter targeting. Communication is logged in each supporter’s profile.

• Integrated CRM (People Database) - NationBuilder’s CRM updates supporter records from interactions like event attendance, donations, or email engagement. You can tag and segment contacts for targeted communications.

Pricing: NationBuilder offers tiered pricing based on the number of contacts in your database:

• Starter Plan: Begins at $34/month for up to 500 contacts and scales based on growth

• Pro Plans: $505/month for up to 10,000 contacts.

• Enterprise: NationBuilder's most powerful, comprehensive solution. Pricing is custom.

A free trial is available, and discounts may apply for nonprofits and political campaigns.

4. VoterVoice by FiscalNote - Government Relations Tools for Large Associations

Overview

VoterVoice is a legacy advocacy software provider designed to help associations and advocacy groups influence public policy by mobilizing their supporters. Part of the FiscalNote suite, VoterVoice offers tools to manage users' government relations efforts. It’s designed for organizations seeking a comprehensive platform with a diverse range of features for federal and state advocacy.

Top VoterVoice Features

By using VoterVoice's advocacy software, you’ll have access to: 

• Event Management - Organize and promote lobby days, town halls, and fly-ins.

• Targeted Email and Action Alerts - Send personalized messages to supporters and decision-makers.

• Petitions and Surveys - Collect signatures or feedback from your audience.

Pricing: VoterVoice keeps pricing private. Costs depend on organization size, list size, and features. Plans are tailored for associations and nonprofits, with some noting higher prices than other platforms. For precise costs, contact sales for a quote.

Compare VoterVoice to Muster's advocacy software.

5. DNL OmniMedia - Nonprofit Advocacy for BlackBaud Users

Overview

Organizations that use Blackbaud for their CRM can use DNL OmniMedia’s mobile app MobileAction! for their advocacy campaigns. The app is designed specifically for nonprofits running mobile-based peer-to-peer fundraising and advocacy campaigns. DNL OmniMedia strongly believes in this mobile-focused approach, explaining that, based on their research, one in every four donors uses their smartphone to discover nonprofits they want to support or donate to. 

Top Features

DNL OmniMedia’s MobileAction! App offers the following features: 

• Mobile-friendly - As mentioned, MobileAction! is designed for mobile users with easy-to-manage features optimized for mobile screens. 

• Integration with Blackbaud - If your nonprofit already uses Blackbaud, the MobileAction! App can be an easy addition to your organization’s tech stack. 

• Peer-to-peer fundraising support - Leverage your advocates’ connections to spread the word even further through MobileAction!’s peer-to-peer campaign support. 

Pricing: You can learn more about DNL OmniMedia’s services and products by getting in touch with their team.

6. EveryAction by Bonterra - Advocacy Software with Fundraising for Nonprofits

Overview

Bonterra EveryAction is a nonprofit CRM with a suite of features, including robust nonprofit advocacy tools. Their nonprofit-specific messaging tools enable nonprofit organizations to effectively incorporate advocacy into their donor outreach strategies, thereby increasing supporter engagement.

This makes EveryAction a viable option for advocacy software among nonprofits seeking to invest in an all-in-one solution for their advocacy and fundraising efforts.

Top EveryAction Features

Among EveryAction’s many features, you’ll have access to:

• Integrated fundraising features - EveryAction is built for nonprofits. This focus means that their integrated fundraising features are ready to make the donation process as easy as possible for your supporters. 

•  Advocacy campaigns - EveryAction allows nonprofits to send custom emails complete with steps supporters can take to support your campaign.  

• Messaging tools come with both preloaded officials and custom options - As part of their digital advocacy tools, your organization will have access to EveryAction’s database of preloaded officials, and you can also create custom campaigns targeting other individuals. 

Pricing: Compare Bonterra EveryAction to Muster for a side-by-side breakdown.

7. Congress Plus by The Soft Edge - Government Relations and Advocacy for Associations

Overview

The Soft Edge provides comprehensive government relations and advocacy solutions at an affordable price with its CongressPlus solution. They offer a suite of digital advocacy tools designed to help organizations influence public policy and engage supporters at the federal and state levels.

Congress Plus equips nonprofits, associations, and lobbying firms with tools to manage grassroots campaigns, track legislation, and communicate directly with elected officials.

Top Soft Edge Features

Soft Edge offers a variety of features, including:

• Fly-in manager - Congress Plus by Soft Edge has a suite of tools designed to help you coordinate your fly-in from start to finish

• Advocacy campaigns - Connect your supporters to federal, state/provincial, and local legislators in the US and Canada.

• Legislative Tracking - Track state and federal legislation to stay on top of relevant issues.

Pricing: You can learn more about The Soft Edge pricing by reaching out to book a demo

8. Quorum - Public Affairs Solutions for Large Scale Organizations

Overview

Quorum offers advocacy software for public affairs professionals, ranging from tracking important conversations at the federal level to tools for grassroots advocacy, among other solutions. Their software primarily focuses on staying up to date on the latest trends and bills, allowing advocacy groups to stay informed about the issues and officials relevant to their campaign. 

Why Public Affairs Professionals Love Quorum

Quorum provides users access to the following features:

• Bill-tracking tools. Quorum’s instant notifications and tracking dashboard ensure that your organization will be among the first to know about any updates to legislation relevant to your campaigns. 

• Social media monitoring. With the rise of digital advocacy, online conversations can be instrumental in supporting your campaigns. Quorum’s social media monitoring tools allow you to keep an eye on the conversations about your campaign at all times. 

• Stakeholder management tools. Save details about your key stakeholders with ease, and use Quorum’s key engagement indicators to track each relationship, allowing your team to leverage them more efficiently than before.  

Pricing: You can learn more about Quorum’s various products by requesting a demo.

Compare Quorum's grassroots solution to Muster's advocacy platform.

Quorum/Phone2Action Note: Quorum acquired Phone2Action; compare Muster's advocacy software to Phone2Action's advocacy tools here.

9. ActionKit (NGP Van) - Advocacy Tech for Progressive Organizations to Mobilize

Overview

ActionKit markets itself as an advocacy solution for progressive organizations. Advocacy groups supporting progressive causes can integrate their flexible platform into various CRMs to reliably manage their supporters. Additionally, ActionKit prioritizes regular software updates, ensuring that users always have access to the latest advocacy software features. 

Top ActionKit Features

By using ActionKit, your organization will have access to:

• Relationship-building features - ActionKit comes with a variety of relationship-building features, including the ability to add unlimited information fields to user profiles, personalized outreach tools such as a welcome series, and the option to track user interactions with your staff in each user’s profile. 

• International organizing support - ActionKit allows advocacy groups to operate at an international level, with multilingual support and fundraising tools that accept currencies other than just US dollars. 

• API and developer tools - Those with more technical expertise can further customize their ActionKit experience with the accessible developer tools. Build your own application using their database, customize their forms, and redesign their current detailed documentation process. 

Price

You can learn more about ActionKit by requesting a demo.

10. CallHub - Best Phone-Based Platform 

Overview

If you’re looking for a phone-oriented advocacy software solution, consider CallHub. CallHub equips users with a wide range of texting and calling features, enabling advocacy organizations to stay in touch with their supporters and run more effective calling campaigns. 

Top CallHub Features

With CallHub, you’ll have access to the following features:

• Phone-banking. For advocacy campaigns seeking to raise widespread awareness, such as voting campaigns, CallHub’s phone-banking tools can be helpful. From automating the time-consuming parts of phone calls, such as dialing and tracking responses, CallHub’s phone-banking tools can help you reach your supporters far more quickly than traditional calling campaigns. 

• Peer-to-peer texting. You’ve likely heard of peer-to-peer campaigns that can drive advocacy efforts by leveraging your advocates’ personal connections. CallHub takes this a step further with their peer-to-peer texting tools, which combine the personal touch of peer-to-peer campaigns with the speed of text communication. 

• CRM integration. CallHub is built to work with many of the top CRM solutions out there, including Salesforce, Blackbaud Luminate, NationBuilder, and more. 

Pricing: CallHub has an in-depth pricing system. Users can choose among monthly, quarterly, semi-annual, and annual plans, as well as four packages, ranging from the free Lite plan to the most expensive Enterprise plan, which offers custom pricing. CallHub also charges fees if users exceed their plan’s specified call or text limits. 

How to Choose the Right Advocacy Software

With ten strong options on this list, narrowing it down comes down to five questions:

1. What's your primary use case? If your core need is connecting supporters with legislators, prioritize platforms built around action campaigns (Muster, VoterVoice, EveryAction). If canvassing is your main channel, Grassroots Unwired is the specialist. If phone and SMS dominate your strategy, start with CallHub.

2. Do you need an all-in-one platform or a point solution? Some organizations want a single system for CRM, advocacy, email, and fundraising (NationBuilder, EveryAction). Others already have a CRM and just need advocacy campaign tools layered on top. In that case, a modular option like Muster is often more cost-effective.

3. What's your organization's size and budget? Smaller organizations with limited budgets should look for platforms with transparent, tiered pricing (NationBuilder, CallHub). Enterprise-focused platforms like Quorum and VoterVoice are typically priced for larger organizations with dedicated government affairs staff.

4. Do you need specific integrations? If your organization runs on Blackbaud, DNL OmniMedia's MobileAction! is the natural fit. If you're a Salesforce shop, Muster's Salesforce integration is worth evaluating. Some platforms offer Zapier connectivity for other tools.

5. How technical is your team? Most advocacy platforms are designed to be used without developer support, although some may have more intensive onboarding than others.

ActionKit is the exception. Its API and developer tooling are genuinely powerful, but getting the most out of it requires technical resources.

Frequently Asked Questions About Advocacy Software

What is advocacy software used for? Advocacy software is used to mobilize supporters to contact elected officials, track legislative activity, manage advocate databases, and measure the impact of grassroots campaigns. It's used by nonprofits, associations, corporations, and agencies to influence public policy at the local, state, and federal levels.

How much does advocacy software cost? Costs vary widely by platform and organization size. Entry-level plans for smaller organizations can start around $34/month (NationBuilder). Mid-market platforms like Muster offer modular pricing based on the features you need. Enterprise platforms like Quorum and VoterVoice use custom pricing. Most platforms offer demos rather than public pricing.

What is the difference between advocacy software and a CRM? A CRM manages relationships with contacts. Advocacy software routes messages from those contacts to elected officials and tracks policy outcomes. Many platforms combine both, but some organizations use a general CRM (Salesforce, HubSpot) and a dedicated advocacy tool alongside it.

Is advocacy software only for nonprofits? No. While nonprofits are the most common users, trade associations, chambers of commerce, corporations, and public affairs agencies also use advocacy software to influence legislation and regulation relevant to their industries.

What features should I prioritize when evaluating advocacy software? For most organizations, the highest-priority features are legislator targeting accuracy (does it route to the right official by district?), ease of use for advocates (can someone take action in under two minutes?), CRM capabilities (can you segment your list?), and analytics (can you prove impact to leadership?).

Can small nonprofits afford advocacy software? Yes. Several platforms offer pricing tiers suitable for smaller organizations with limited budgets, including NationBuilder (from $34/month) and CallHub's freemium tier. Muster also offers modular plans that let smaller organizations buy only what they need rather than paying for a full enterprise suite.

Conclusion

The best advocacy software is the one that removes friction between your supporters and the actions that matter most. Whether that's contacting a legislator, signing a petition, or showing up to a lobby day, the right platform should make it effortless for advocates and easy to measure for your team.

For most nonprofits and associations, Muster offers the best combination of campaign capability, supporter management, and flexibility. But the right answer depends on your organization's unique needs, which is why the comparison table and buyer's guide above are worth spending time with before making a decision.

Request a demo of Muster to see how it fits your advocacy program.

Additional Resources From Muster:

• What is Digital Advocacy? Everything Beginners Need to Know.

• 5 Advocacy Examples to Inspire Action and Motivate Change.

• Grassroots Advocacy 101: A Guide for Those New to Political Advocacy.