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Political Campaign Software

ARCOS

Donor management system from Plus Three for nonprofits, advocacy groups and political organisations

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About ARCOS

ARCOS is a donor and supporter management system made by Plus Three, a minority and woman-owned company serving progressive nonprofits. It stores the data an organisation needs to keep in touch with supporters and aims to make fundraising cheaper and simpler.

What ARCOS offers

  • Donor and supporter database — holds supporter records for decisions and outreach.
  • Content management — a CMS for organisation websites.
  • Advocacy and viral marketing — tools for online campaigns that supporters can spread.
  • Email marketing and fundraising — donation pages, email campaigns and reporting.
  • Community organising and social media tools — help build and engage a base.

Plus Three also sells strategy, design, storytelling, event production and video services.

Who it works with

Nonprofit, advocacy, membership and political organisations, large and small.

Key facts

  • Maker: Plus Three
  • Ownership: minority and woman-owned

Profile written by TrustList from the business's own published information, Oct 2026.

Categories & features

Rankings

As of 2026-10-05. Organic ranks only; sponsored placements are never ranks.

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