Compare 15 free low-code platforms tools, free tiers, and developer deals. Verified pricing for Retool, Appsmith, Data Fetcher, Export SDK, JSON2Video and more.
What this name holds: Builders that generate an internal tool or admin UI from a data source without a front-end codebase.
4 other names here answer “what do I build the interface with”, and each holds a different list: Design (95), Design & Creative (6), Diagramming (10), Forms (29).
We track 15 low-code platforms services with free tiers. Retool leads with 5 users. This category has been mostly stable — only 1 pricing change recorded across all vendors.
| Vendor | Tier | Description | Verified |
|---|---|---|---|
| Retool | Free | Internal tools builder — free for up to 5 users, unlimited apps. Drag-and-drop UI, 100+ integrations, custom components | 2026-07-28 |
| Appsmith | Free OSS | Free OSS (Apache 2.0). Low-code platform for building internal tools. Drag-and-drop UI builder, 45+ database/API integrations, JavaScript customization. Self-hosted or cloud | 2026-08-26 |
| Data Fetcher | Free | Connect Airtable to any application or API with no code. Postman-like interface for running API requests in Airtable. Pre-built integrations with dozens of apps. The free plan includes 100 runs per month. | 2026-08-03 |
| Export SDK | Free | PDF generator API with drag-and-drop template editor that provides an SDK and no-code integrations. The free plan has 250 monthly pages, unlimited users, and three templates. | 2026-08-26 |
| JSON2Video | Free | A video editing API to automate video marketing and social media videos, programmatically or with no code. | 2026-08-27 |
| windmill.dev | Free | Windmill is an open-source developer platform to quickly build production-grade multi-step automation and internal apps from minimal Python and Typescript scripts. As a free user, you can create and be a member of at most three non-premium workspaces. | 2026-08-04 |
| Appinvento | Free | A free no-code app builder. It provides complete access to the automatically generated backend source code and allows for unlimited APIs and routes. The free plan includes three projects and five tables. | 2026-08-01 |
| BudiBase | Free | Budibase is an open-source low-code platform for creating internal apps in minutes. Supports PostgreSQL, MySQL, MSSQL, MongoDB, Rest API, Docker, K8s | 2026-08-06 |
| Clappia | Free | A low-code platform designed for building business process applications with customizable mobile and web apps. Offers a drag-and-drop interface, features like Offline Support, real-time location tracking and integration with various third-party services | 2026-08-30 |
| lil'bots | Free | write and run scripts online utilizing free built-in APIs like OpenAI, Anthropic, Firecrawl and others. Great for building AI agents / internal tooling and sharing with team. Free-tier includes full access to APIs, AI coding assistant and 10,000 execution credits / month. | 2026-08-11 |
| manubes | Free | Powerful no-code cloud platform with a focus on industrial production management. Free for one user with 1 million workflow activities a month ([also available in german](https://www.manubes.de)). | 2026-08-05 |
| Mendix | Free | Low-code development platform — Free plan: 1 sandbox environment per app on Mendix Cloud, 0.5 GB storage and 1 GB RAM per app, shared database tenancy, unlimited local development. Studio and Studio Pro IDEs included. Community support (no SLA or uptime guarantee). Suited for demos, prototypes, and small apps. | 2026-07-05 |
| outsystems.com | Free | Enterprise web development PaaS for on-premise or cloud, free "personal environment" offering allows for unlimited code and up to 1 GB database | 2026-08-12 |
| ToolJet | Free | Extensible low-code framework for building business applications. Connect to databases, cloud storages, GraphQL, API endpoints, Airtable, etc., and build apps using drag-and-drop application builder. | 2026-08-09 |
| UI Bakery | Free | Low-code platform that enables faster building of custom web applications. Supports building UI using drag and drop with a high level of customization through JavaScript, Python, and SQL. Available as both cloud and self-hosted solutions. Free for up to 5 users. | 2026-08-07 |
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