Competitors
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Harness is an AI-native software delivery platform that provides end-to-end automation and intelligence across the entire Software Development Life Cycle (SDLC). It offers a suite of tools for DevOps, testing, security, and cost optimization, leveraging AI agents to streamline processes, improve reliability, and accelerate software delivery for engineering teams.
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API Integration
API & Database Integrations
Drag-and-Drop UI Builder
Code Customization
Access Control & Security
Flexible Deployments
Drag-and-Drop UI Builder
Code Editor
Data Connectivity
Workflows
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Debugging & Monitoring
Version Control Integration
Audit Logs & Analytics
Workflow Automation
Mobile-Responsive Support
Prebuilt React Components
AI-Generated App Assistant
Custom Theming & Branding
Partner & Customer Portals
AI & LLM Integration
Natural Language App Generation
Source Control Integration
Security & Permissions
Hosting Options
Multipage Architecture
Component Localization
Usage Analytics
PDF Data Extraction
Harness is primarily a software delivery platform focused on DevOps, CI/CD, and cloud cost management. While it offers extensive integrations and API capabilities, it does not appear to be a low-code/no-code platform for building internal tools with a drag-and-drop UI builder, which is a core must-have feature for the Retool concept. The platform is more geared towards automating and securing the software delivery lifecycle for engineering teams rather than enabling rapid internal tool development by a broader audience.

I've been using Alternative A for 6 months now and it's been fantastic. The pricing is much better and the features are actually more robust than what [Product] offers.
It handles edge cases much better and the API is actually documented properly.
Check it out at our site.
Honestly, after trying both, Competitor B wins hands down. Better customer support, cleaner interface, and they don't nickel and dime you for every feature.