Open source. Open possibilities.

A group chat protocol hub based on AG-UI Group Chat Extension Protocol v1.0, implemented in C#/.NET 10, featuring agent gateways, RAG semantic memory, HITL approval, and dual WebSocket/SSE transport.

Deck Lab is a Python/Flask workspace for building, researching and goldfish-simulating competitive Commander (MTG) decks, with versioned data contracts, isolated QA, and verified container releases.

Overflow is a cooperative credit ledger for open-source work: sponsors offer issues, contributors close them via GitHub, and the service records settled transfers with labels, comments, API tokens and MCP tools.

Self-hosted Magic: The Gathering collection server with multi-account support, collection and price tracking, deck building, statistics, wishlist, trades and a public showroom. Built with FastAPI and React and deployed via Docker Compose.

Aion is a cross-platform, .NET-based SQL client for developers and DBAs. It supports PostgreSQL, SQL Server, and MySQL, offering a modern UI, query history, JSON viewing, and query plan visualization.

Artifact Gateway is a lightweight, protocol-native software artifact repository that supports OCI, Maven, npm, PyPI, Go modules, Conan 2, and Raw formats. It uses PostgreSQL for coordination and S3-compatible storage for artifacts, with no Redis, Kafka, or external message queues required. Available as a single binary or split roles, with a web Console for management.

BarakoCMS is a headless, API-first CMS suite for .NET 10 featuring an event-sourced engine, multi-tenancy, and a modular architecture.

ParkCore is a parking operations system for independent parking lot owners: manage facilities and visibility, check vehicles in and out, track active and past sessions, and serve a read-only public catalog. It is deliberately not a reservation marketplace or payment platform.

A self-hosted dashboard that receives license plate detections from UniFi Protect webhooks, stores them in PostgreSQL, optionally captures short RTSP/FFmpeg clips of each detection, and offers searchable admin views with optional UK DVLA vehicle lookups.

Self-hosted IPTV playlist manager built with Vue 3, Express and PostgreSQL for importing, editing, sorting, exporting and sharing M3U and Xtream Codes playlists, with XMLTV EPG support, a channel logo library, an AI assistant driving 175 server-side tools, and a hardened Docker stack.

Agent Relay is an MIT-licensed end-to-end encrypted inbox where AI agents deliver artifacts, drafts, and spend requests for human review. It offers a hosted service or self-hosting with PostgreSQL, S3 storage, passkey sign-in, agent API tokens, CLI/MCP tools, and an optional email approval relay.

ChaosSQL is a deterministic concurrency and isolation fuzzer for PostgreSQL, MySQL and SQLite. It schedules concurrent transactions, detects invariant violations such as lost updates and write skew, shrinks failures to minimal reproductions, and can guard CI pipelines against regressions.

Zikra is a self-hosted MCP memory server for AI coding agents and teams. It provides a shared, project-scoped memory layer across multiple agents, with role-based access, hybrid semantic and keyword search, structured memory types, and optional PostgreSQL storage.

AetherGrid is a distributed AI workload orchestrator built with strict Domain-Driven Design, featuring lease-based execution ownership, event-driven reconciliation, API key auth, and a React dashboard.

A production-oriented Go + HTMX + templ micro-SaaS starter: Supabase auth and Postgres Row Level Security proven end-to-end, CI-enforced performance budgets and design tokens, plus a layered AI constitution and halt-on-violation gate for agent-assisted development.

A self-hosted, local-first AI content factory: a LangGraph pipeline that discovers topics, researches them, writes long-form posts, filters drafts through multi-model QA rails, and exports static output — with inference running on your own GPU via Ollama.

J.A.R.V.I.S is a local-first OSINT platform that uses AI and web scraping to build comprehensive intelligence dossiers on individuals while ensuring data privacy.

Poolstatis is an agent-native product analytics system modeled after PostHog, designed primarily for coding agents via MCP. It features semantic metrics, funnels, session replay, A/B testing, and answer-first analysis screens for humans.

Tally is a free, local-first shared‑expense splitter for trips, dinners, and group activities. It supports equal or exact splits, receipt photo entry, live collaboration via capability‑protected links, multilingual UI, and privacy‑first analytics—all without requiring an account.

QA Studio is an open-source, self-hostable test management platform for QA teams. It offers hierarchical test suites and cases, test run planning across environments, rich dashboards for results and trends, media attachments, and a full REST API.

MaluDB is a PostgreSQL 17 extension implementing a memory DBMS for long-term institutional memory, human-AI knowledge sharing, and contextual recall. It provides bitemporal data, graph traversal, hybrid search, and governed memory surfaces.

An open-source TEAS Math preparation platform with adaptive practice, diagnostics, timed tests, progress estimates, and a review-gated question pipeline. Local alpha only; no approved production question bank yet.

Open-source AI-native call center: voice AI answers first over OpenAI Realtime or Qwen, hands off to human agents on FreeSWITCH queues with a browser softphone. One Go binary with REST API, SSE, embedded React UI, and PostgreSQL.

Curia is an open-source Digital Office of the CEO — a governance-first multi-agent system for communications, scheduling, research, and knowledge work, running on your own server with institutional memory.

Stealth is an open-source, self-hostable developer cloud platform for deploying apps, functions, sites, databases, storage, and AI agents. Built with a Go control plane and Next.js console, it offers Docker-based infrastructure management.

Self-hosted media server unifying music, audiobooks, podcasts, and radio with shared playback state. Docker-deployed with a built-in setup wizard and Postgres backend.

CogniGate is a self-hosted, multi-tenant LLM gateway that provides a single OpenAI-compatible endpoint to manage multiple model providers while keeping credentials secure.

pg_vault_tde is a PostgreSQL extension for Transparent Data Encryption (TDE) using AES-256-GCM. It supports key management with HashiCorp Vault, OpenBao, or local PKCS#12 wallets, and PKCS#11 HSMs. It encrypts data at the Table Access Method layer without modifying PostgreSQL core.

pgfathom is a read‑only CLI tool that discovers undocumented PostgreSQL relationships by analyzing catalog data, usage evidence, and statistics. It outputs verdicts (broken, confirmed, weak) and reviewable SQL scripts to help fix hidden foreign keys.