Top POST GitHub Repositories & Tools (2026)

NeoHorse-1: Towards Recursive Self-Improvement via Agentic Post-Training with Routing Harness.

Free and open source database client built natively for developers

An open-source, self-hostable PaaS alternative to Vercel, Heroku & Netlify that lets you easily deploy static sites, databases, full-stack applications and 280+ one-click services on your own servers.

The Postgres development platform. Supabase gives you a dedicated Postgres database to build your web, mobile, and AI applications.

Flight booking system built as .NET 10 microservices with Vertical Slice Architecture, DDD, CQRS, Event Sourcing, gRPC, RabbitMQ, Wolverine, PostgreSQL, MongoDB and .NET Aspire.

The open and composable observability and data visualization platform. Visualize metrics, logs, and traces from multiple sources like Prometheus, Loki, Elasticsearch, InfluxDB, Postgres and many more.

The Open Source DocuSign Alternative.

The fastest path to AI-powered full stack observability, even for lean teams.

A utility-first CSS framework for rapid UI development.

Open-source GEO content engineering and multi-site distribution platform with AI quality inspection, illustrated admin help, hosted sites, browser-assisted publishing, and signed updates.

AI-native open-source alternative to Vercel + Sentry + PostHog + Pingdom + Resend + E2B. 440+ CLI operations with drop-in skills for Claude Code, Codex & OpenCode — deployments, analytics, session replay, error tracking, OpenTelemetry, email, sandboxes & AI gateway in one self-hosted Rust binary.

World's first open-source enterprise world model.

🌼 🌼 🌼 🌼 🌼  The most popular, free and open-source Tailwind CSS component library

The most popular Kubernetes Operator for PostgreSQL.

PostgreSQL connection pooler, load balancer and database sharder.

NewsBlur is a personal news reader that brings people together to talk about the world. A new sound of an old instrument.

Event streaming platform for agentic AI. Continuously ingest, transform, and serve event streams in real time, at scale.

🐘 Linter for Postgres migrations & SQL

PostgreSQL-based Task Queue for Python

JSON-native TypeScript ORM for Bun, Browsers, Edge, Deno, Node, Workers