Everything in the catalog

Infinite whiteboard with a hand-drawn look for sketching diagrams, with shareable links and PNG/SVG export.

API to search, scrape and interact with the web for AI agents, open source and available as a hosted service.

Open-source PDF editor in the browser with merge, split, compress, OCR, sign, watermark and many more tools.

Write Svelte components in the browser with a live preview and shareable URL.

Runs open models locally or in the cloud, with a REST API and Python and JavaScript libraries.

Fast, easy-to-use open-source library for LLM inference and serving, with an OpenAI-compatible server.

Open-source web crawler that turns pages into LLM-ready Markdown, with an optional hosted cloud API.

Edit ECharts option code and see the chart redraw, with a large gallery of starting examples.

WebAssembly build of whisper.cpp that transcribes microphone or file audio inside the browser.

Reference web PDF viewer for opening local files with search, zoom and annotation.

Open-source RAG engine with document ingestion, hybrid search and visual agent workflows.

Pre-authenticated access to 1,000+ app toolkits for AI agents, with per-user sessions

Open-source platform for tracing, evaluating and improving AI agents

Open-source document conversion library that turns PDFs, Office files and audio into structured data.

Edit Vue single-file components and see the compiled result and preview instantly.

Plain C/C++ LLM inference engine that runs quantized models on many hardware backends, with an OpenAI-compatible server.

An open-source API client for building and testing REST and GraphQL requests, usable in the browser.

Free infinite canvas for drawing, diagramming and wireframing, with live collaboration by link.

Document parsing engine for LLMs and agents, turning PDFs, Office files and web pages into Markdown or JSON.

Python framework for live data processing and RAG pipelines that run on a Rust engine.

Try Pandoc to convert between Markdown, HTML, LaTeX, Word and many other document formats.

Long-term memory layer that lets AI assistants and agents keep user context across sessions.

Privacy-first outliner and knowledge base with backlinks, run in the browser.

Resume builder with templates and live preview that exports PDF; an account is needed to save resumes.