Sound Off

sound-off.com

nonprofit organization management

sound-off.com

San Antonio, Texas, United States

1-10 employees

1705000 revenue

LinkedIn Profile

About Sound Off

non-profit organizations, peer supporter, confidential peer support, voip technology, military community support, support community, end-to-end encryption, geographic independence, non-profit organization, b2c, support for military officers, anonymous platform, mental health outreach, peer support network, mental health barriers, volunteer clinicians, mental health accessibility, peer-to-peer mental health, mental health app, support app

Sound Off's Tech Stack

Decision Makers at Sound Off

1 contact

William Negley

Founder & CEO

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12 technologies detected · 1 decision maker · Emails available

Sales Outreach Angle

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Sound Off's Position in the StackWho Database

• Sound Off is 1 of 6,988 nonprofit organization management companies tracked in StackWho.
• 6,976 nonprofit organization management companies in our database have verified decision-maker emails (100% of the cohort).
• 22,781 companies in Texas are in the StackWho database.
• 2,604 nonprofit organization management companies are in the 1-10 employee range (same size as Sound Off).

Technology detection from public web signals. Decision-maker contacts compiled from LinkedIn public profiles, company filings, and verified outbound testing. Methodology & sources · Updated July 2026.

Frequently Asked Questions

What technology does Sound Off use?

Sound Off uses Route 53, Gmail, Google Apps, Amazon AWS, Google Play, Typekit, and 6 more technologies. This data is sourced from StackWho's technology detection engine.

How do I contact the decision makers at Sound Off?

StackWho has verified email addresses for 1 decision maker at Sound Off. Pro members can access direct emails for the CEO, CTO, VP of Engineering, and other key contacts. Use StackWho to reach Sound Off directly for sales, recruiting, or partnerships.

What industry is Sound Off in?

Sound Off operates in the nonprofit organization management industry, headquartered in San Antonio, Texas, United States. StackWho tracks technology stacks and decision maker contacts for companies across all industries.

Can I export Sound Off's contact data?

Yes. StackWho Pro members can export decision maker contact data for Sound Off and similar companies to CSV. Use the export feature to build targeted prospect lists segmented by technology stack, industry, or location.