ToolJet

ToolJet is a low-code platform that lets teams build full-stack internal applications, AI agents, and automated workflows from natural language prompts, with a free open-source self-hosted tier and paid Pro, Team, and Enterprise plans. It targets engineering leaders, IT teams, and product managers who want to clear internal tool backlogs without dedicating customer-facing engineers to undifferentiated work.

The platform combines an AI-powered app builder, a visual workflow automation engine, an AI Agent Builder, and a built-in PostgreSQL-based ToolJet Database into a single environment. Users can describe what they need in plain English to generate dashboards, panels, employee directories, vendor management portals, bug trackers, or back-office tools, and then refine them with a visual drag-and-drop builder or drop into JavaScript when custom logic is required. The platform ships with 80+ pre-built integrations spanning REST APIs, gRPC, databases, cloud storage, SaaS tools, and LLM/AI providers, plus a plugin development kit for building custom connectors. Workflows can be triggered by schedules, webhooks, or in-app events, and support conditions, loops, parallel processing, multi-step API calls, and error tracking.

With over 36,000 GitHub stars, a G2 High Performer badge, and a 4.9/5 customer rating, ToolJet has positioned itself as a developer-friendly alternative to proprietary low-code suites. Based on our analysis of 870+ AI tools, ToolJet stands out from competitors like Retool and Appsmith by combining open-source self-hosting (air-gapped deployments supported), enterprise-grade compliance (SOC2, GDPR, ISO 27001), and AI-native generation in one stack. Compared to the dozens of other low-code platforms in our directory, ToolJet's emphasis on owning your infrastructure — deployable to AWS, Azure, GCP, or managed on-premise — makes it particularly attractive for regulated industries like financial services and healthcare where data residency is non-negotiable.