Top 30 RPA Tools for Integrating Legacy Systems Seamlessly

Curated list of the 30 leading Robotic Process Automation platforms that excel at connecting and orchestrating legacy on‑premise applications, mainframes, and custom ERP systems.

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#2 UiPath

Enterprise‑grade RPA with extensive legacy connectors, screen‑scraping, and OCR to automate mainframe, SAP, and custom legacy GUIs.

Cloud‑native RPA platform offering IQ Bot for unstructured data and robust legacy integration via MetaBots and screen‑capture bots.

Digital workforce solution with a strong focus on secure, code‑free integration to legacy systems through its Visual Business Objects.

Low‑code RPA embedded in the Pega Platform, enabling seamless orchestration of legacy mainframe and desktop applications.

Offers intelligent capture, screen‑scraping, and API‑first connectors to bridge legacy ERP, banking, and insurance systems.

Specializes in contact‑center and back‑office legacy integration with advanced screen‑recording and AI‑driven data extraction.

Full‑cycle automation suite featuring Process Discovery and Attended/Unattended bots that can interact with legacy GUIs and APIs.

Combines RPA, AI, and built‑in connectors for legacy mainframe, SAP, and custom line‑of‑business applications.

Enterprise RPA platform with a legacy‑centric integration layer, supporting screen‑scraping, terminal emulation, and API orchestration.

Part of the Power Platform; provides UI flows and legacy connectors for Windows applications, SAP, and mainframe terminals.

Desktop automation tool (now integrated into Power Automate) with robust legacy UI automation and script recording.

IBM Cloud Pak for Automation includes RPA bots that can interface with legacy systems via terminal emulation and API gateways.

Native SAP automation suite offering pre‑built bots and adapters for legacy SAP GUI, ECC, and non‑SAP enterprise applications.

Job‑scheduling and RPA platform with strong legacy support through screen‑scraping, terminal emulation, and batch integration.

Cognitive automation platform that blends RPA with machine learning to handle legacy document processing and UI automation.

Process mining‑driven execution platform that layers RPA bots (including UiPath & Blue Prism) for legacy system remediation.

Low‑code automation suite with drag‑and‑drop bot design, supporting legacy desktop and web applications via screen‑capture.

Integrated RPA within the Appian low‑code platform, enabling legacy system calls through UI bots and API connectors.

Workflow engine that incorporates RPA actions for legacy mainframe and on‑premise applications via IntegrationHub.

Enterprise automation suite with legacy terminal emulation, screen scraping, and robust scheduling for batch jobs.

#22 OpenRPA

Open‑source RPA framework offering flexible scripting and native support for legacy UI automation and REST/SOAP APIs.

Focuses on customer‑service legacy integration, providing attended bots that interact with legacy desktop and mainframe screens.

IT‑centric automation platform with pre‑built connectors for legacy ERP, mainframe, and legacy ticketing systems.

#25 Rocketbot

Lightweight RPA tool with visual flow designer and strong screen‑scraping capabilities for legacy Windows applications.

Process automation suite that extends Bizagi Modeler with bots capable of interacting with legacy GUIs and databases.

IT process automation platform offering event‑driven bots that can orchestrate legacy systems via scripts and terminal emulation.

AI‑enhanced RPA platform that automates legacy data extraction and integrates with on‑premise ERP via custom connectors.

#29 K2 RPA

Low‑code workflow engine with RPA capabilities, enabling legacy system interaction through screen‑scraping and API bridges.

#30 Apex RPA

Scalable RPA solution focused on financial services, offering deep integration with legacy mainframe and legacy banking applications.

While primarily an AI model management hub, it pairs with UiPath bots to process unstructured legacy data and feed it into automation pipelines.

Marketplace of pre‑built bots, many of which target legacy systems (e.g., SAP GUI, mainframe) for quick integration.

Combines OCR, AI, and RPA to extract data from legacy paper forms and feed it into downstream automation workflows.

Intelligent document processing add‑on that enables Blue Prism bots to handle legacy scanned documents and PDFs.

AI‑driven process mining tool that identifies legacy workflows ripe for automation and feeds them directly into Kryon bots.

Free edition of WorkFusion’s platform, offering screen‑scraping and terminal emulation for small‑scale legacy automation.