CallHub is a digital organizing platform empowering political campaigns, nonprofits, advocacy groups, unions, and businesses with scalable outreach via calling, texting, email, and automation.
The platform offers Predictive Dialer for high-volume campaigns, Power Dialer for personalized calls, and Auto Dialer. AI-powered Smart Insights categorize call sentiments. Dynamic Caller ID, Spam Shield, and SHAKEN/STIR compliance maximize answer rates.
Text capabilities include Peer-to-Peer Texting, Text Broadcasts, and Text-to-Join with SMS/MMS support, URL tracking, and automated responses.
Workflows automation enables multi-channel campaigns. The mobile app allows volunteers join campaigns from smartphones. CRM integrations with NationBuilder, NGP VAN, Salesforce, and Blackbaud ensure seamless sync.
CallHub is SOC 2, ISO 27001, GDPR, and TCPA compliant. Trusted by 200,000+ campaigns, it has facilitated 1 billion calls and 750 million texts.
Learn more

Notifyre is a secure online fax and text messaging service for businesses, rated 4.7/5 from 1,187 customer reviews. Pay as you go from 3 cents per fax page and 2 cents per SMS, with no contracts, no hidden fees, and wallet funds that never expire.
Why businesses choose Notifyre:
- Live chat, phone, and email support from a local U.S. team
- A dedicated account manager who guides you through 10DLC registration (the approval US carriers require for business texting)
- Free BAA for medical and health organizations, with HIPAA compliance standard on every plan
- ISO 27001 certified with AES 256-bit encryption, user access controls, audit trails, and 99.99% uptime
Fax features: online fax platform, email to fax and fax to email, fax API, online fax numbers, free fax number porting, and fax broadcast to 20,000+ recipients.
Text messaging features: SMS and MMS online, email to SMS, SMS and MMS API, mass texting and SMS marketing, subscriber and opt-out management, bulk contact upload, SMS templates, and personalization fields.
Book a 15-min demo for one-on-one 10DLC guidance.
Learn more
TextUs
Drive up to 5x higher conversions, reach new customers, convert more pipeline, and keep existing customers engaged—all with the power of TextUs. TextUs is the most flexible, easiest-to-use business texting platform on the market.
Automate your SMS with sequences or Keywords, have conversational 1:1 messages or send personalized SMS campaigns to an audience segment. The power of TextUs allows you to start connecting with your customers in ways that get attention.
Learn more