PostgreSQL extension for BM25 relevance-ranked full-text search. Postgres OSS licensed.

Autoscaling Self-Hosted GitHub Actions Runners on Hetzner Cloud.

A new kind of database that's distributed across your frontend, containers, serverless functions and its own storage cloud.

Zero-copy deserialization framework for Rust

A JSON-Compatible Zero-Copy Serialization Format

Real-time sync for Postgres.

The open source coding agent.

Agentic Design Patterns: A Hands-On Guide to Building Intelligent Systems by Antonio Gulli

Incredibly fast JavaScript runtime, bundler, test runner, and package manager – all in one

Kanban as it should be. Not as it has been.

Create stunning screen recordings for free. Open-source, no subscriptions, no watermarks, and free for commercial use. An alternative to Screen Studio.

BDD testing with Playwright runner

Context Data Platform for Agents. Join the community❤️: https://discord.acontext.io

Hercules is the world’s first open-source testing agent, enabling UI, API, Security, Accessibility, and Visual validations – all without code or maintenance. Automate testing effortlessly and let H…

VictoriaMetrics: fast, cost-effective monitoring solution and time series database

Kedro is a toolbox for production-ready data science. It uses software engineering best practices to help you create data engineering and data science pipelines that are reproducible, maintainable,…

Rill is a tool for effortlessly transforming data sets into powerful, opinionated dashboards using SQL. BI-as-code.

A static site generator for data apps, dashboards, reports, and more. Observable Framework combines JavaScript on the front-end for interactive graphics with any language on the back-end for data a…

Parallel S3 and local filesystem execution tool.

Create AI Agents in a No-Code Visual Builder or TypeScript SDK with full 2-way sync. For shipping AI assistants and multi-agent AI workflows.

Chrome DevTools for coding agents

AI Observability & Evaluation

🪢 Open source LLM engineering platform: LLM Observability, metrics, evals, prompt management, playground, datasets. Integrates with OpenTelemetry, Langchain, OpenAI SDK, LiteLLM, and more. 🍊YC W23

Improve your resumes with Resume Matcher. Get insights, keyword suggestions and tune your resumes to job descriptions.

An AI-powered task-management system you can drop into Cursor, Lovable, Windsurf, Roo, and others.

Content management, streamlined

Multi-Language Backend Framework that unifies APIs, background jobs, queues, workflows, streams, and AI agents with a single core primitive with built-in observability and state management.

The open-source forms platform for effortless data collection and analysis.

Meet the calendar that changes everything