Merlin AI
Browser extension that brings AI assistance to any website you visit.
Curated AI tools with free plans. No credit card required. Verified links and trust signals.
Every tool listed here offers a free tier or freemium plan. Browse by category, search by keyword, or jump to free tools for a specific task.
Each tool shows verification (how recently we checked the link), link health (whether the URL works), and trust (0–1, combining both). Verified + HTTPS = highest trust. Pending = not yet checked. Stale = last check was 1–3 days ago. Failed = over 3 days.
Browser extension that brings AI assistance to any website you visit.
AI browser assistant for chat, search, writing, and translation on any page.
Collaborative knowledge base with AI writing and real-time editing.
Open-source knowledge base with AI-powered search and editing.
Personal AI assistant by Inflection with empathetic conversational abilities.
Simple AI tool that explains any topic at different complexity levels.
Free online AI tools for PDF, image, video, and text processing.
AI tool discovery platform for finding the best AI tools for any task.
JavaScript end-to-end testing framework with AI-powered test suggestions.
Open-source framework for adding validation and structure to LLM outputs.
Open-source model serving platform for Kubernetes with autoscaling.
Cloud cross-browser testing platform with AI-powered test analytics.
Data framework for building LLM applications with custom data sources.
Open-source library for structured text generation with language models.
Platform for tracking, managing, and versioning LLM prompts.
Open-source platform for deploying and monitoring ML models on Kubernetes.
Open-source image generation models with state-of-the-art quality.
Platform for hosting and sharing open-source AI model demos.
Open-source chat interface that works with multiple AI providers and local models.
Open-source AI chat framework with plugin support and multi-model integration.
Browse curated shortlists of free tools for specific tasks.