Declarative Lookup Rollup Summaries (DLRS)

Highlights

• Automate rollups without code
  Skip Apex triggers and Flow workarounds. DLRS gives you powerful rollups across relationships using a simple point-and-click UI.
• Supports complex relationships
  Need to roll up across lookup relationships, not just master-detail? DLRS handles both, making it perfect for complex data models.
• Real-Time, scheduled, or manual
  Choose how and when your rollups run: instantly on save, nightly batches, or only when you need.
• Built for the Admin community
  Created by and for the Salesforce community, DLRS is a go-to tool trusted by corporations, nonprofits, and teams worldwide.
• Transparent and customizable
  Need control? Tweak filters, add logic, or inspect the rollup logic directly in Salesforce with full visibility.
• Backed by the Salesforce Open Source Commons
  Used by thousands of organizations and supported by a broad team of contributors, DLRS is a trusted solution built and improved by the Salesforce community.

What Declarative Lookup Rollup Summaries (DLRS) does

DLRS (Declarative Lookup Rollup Summaries) is a community-driven, open-source Salesforce app that lets you create powerful rollups across both master-detail and lookup relationships; without writing a single line of code.

Whether you’re a company monitoring opportunities per account, a nonprofit looking to track donation totals per donor, or a school calculating total credits per student, DLRS does the heavy lifting. You can configure rollups to run in real-time, on a schedule, or manually, all through a simple interface. Built and maintained by the Salesforce community, DLRS is ideal for organizations who need trusted, flexible solutions inside their CRM. With over a decade of use across sectors, DLRS is one of the most beloved tools in the Salesforce ecosystem.