Argilla
Open source tool for curating AI datasets with human feedback
1048 tools in our directory are listed as open source, from 30 sections: Frameworks (89), Open Source (82), UI & Components (80), Dev Utilities (55) and 26 more sections.

Open source tool for curating AI datasets with human feedback


Open source visual regression tests for Playwright and Storybook

Headless components for React, Solid, Vue and Svelte

TypeScript-style validators that check data at runtime

Load testing and Playwright end to end testing toolkit

Fast text processor that converts AsciiDoc to HTML, PDF and more

Records terminal sessions as text you can replay and share

Open source web framework for C# apps, APIs and interactive pages


Open source specification and tools for event-driven APIs

Runs Terraform plans and applies from pull request comments


Free audio editor and recorder for podcasts and music

Open source login portal with single sign-on and two-factor auth

Self-hosted open source identity provider for SSO and MFA

Smooth transitions for added, removed and moved elements

Microsoft's open source framework for building multi-agent AI apps

Open source Zapier alternative for workflow automation

Cross-platform .NET UI framework with one XAML codebase


Compiler that turns modern JavaScript into widely supported code

Open source web 3D engine for games and product viewers

Open source framework for building developer portals


Open text-to-audio model for speech, music and sound effects

Unstyled accessible React components from the Radix and MUI creators





Open-source SQL editor and database manager for many databases


Lightweight server monitoring with Docker stats, history and alerts

Open source TypeScript auth framework with login, OAuth and plugins

Open source accounting for invoices, expenses and financial reports

Fast formatter and linter for JavaScript, TypeScript, CSS and more

Headless, unstyled accessible components for Svelte

Free, open source 3D suite for modeling, animation and rendering

Notion-style block editor for React with a polished UI


HTML, CSS and JavaScript toolkit with a grid and prebuilt components
Free, open source icon library with over 2,000 SVG icons

Deduplicating backup tool with compression and encryption
Open source React library for generating SVG user avatars


Self-hosted, open source Bitcoin payment processor for merchants

Terminal resource monitor for CPU, memory, disks and network
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