Open source. Open possibilities.

MahApps.Metro is a UI toolkit for WPF that restyles standard controls with a modern Metro look, adds window chrome, theming, dialogs, and navigation controls without requiring control replacement.

Windmill is an open-source developer platform used to turn scripts into webhooks, workflows, and internal UIs, serving as an alternative to Retool and Temporal.

GeeksPulse is a free, ad-free developer news aggregator that curates 50 hand-picked RSS feeds across 11 categories into a fast static site with a cyberpunk UI, AI summaries, bookmarks and keyboard shortcuts.

CodexShell is a desktop shell based on Tauri + React + TypeScript, providing a Codex-style four-column layout, draggable panels, theme and language switching, and other UI framework features. It is not tied to any specific business, allowing developers to integrate their own AI tool functionality.

Payload is an open-source, Next.js-native headless CMS and fullstack app framework. It installs into your existing /app folder and provides a TypeScript backend, admin panel, auth, versions and access control out of the box.

A community-curated directory of public APIs for developers, organized by category with details on authentication, HTTPS, and CORS support.

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.

Wasp is a batteries-included full-stack web framework for React, Node.js and Prisma. A declarative spec file describes the app's high-level structure, and the compiler generates front-end, back-end and deployment code, with built-in auth, RPC, jobs, email and type safety.

NanoPay is a JavaScript/TypeScript library for the Nano cryptocurrency network. It provides client workflows and low-level functions for accounts, local signing, block building, work generation, node RPC, sends, receives, representative changes, exact amount conversion, payment URIs, and confirmation watching. It supports ESM, CommonJS, TypeScript, and browsers, and is GPL-3.0-only.

FairMind is an open‑source AI governance platform providing bias detection, fairness testing, and compliance tracking for ML, LLM, and multimodal AI models. It offers evidence‑grade evaluation, model registry, and remediation tools.

web-core is a Python package providing shared web infrastructure: SearXNG search with retry, deduplication and domain filtering; a multi-strategy scraping agent with automatic escalation; an SSRF-safe HTTP client with DNS pinning; stealth and remote browser rendering; and typed Google Drive and MangaDex adapters.

Infisical is an open-source platform for secrets management, certificate/PKI lifecycle, key management, and privileged access management. Features include a dashboard, CLI, SDKs and API, secret syncs and rotation, leak scanning, a Kubernetes operator, and self-hosting via Docker.

SovereignKit is open-source Solana infrastructure for measuring transaction accessibility failures, separating RPC acknowledgment from ledger evidence, detecting route asymmetry, and enabling bounded fail-open routing. v0.1 is a controlled proof plus Devnet validation, not a provider ranking.

Peaky Peek is a local-first, open-source audit and trust console for AI agents. It captures causal chains, verifies claims deterministically, and produces explainable trust scores with failure narratives — all running on your machine.

Vorssaint is a free, open-source macOS menu bar toolkit bundling volume mixing, system monitoring, window management, clipboard history, snippets, screen capture and more into one icon, with per-feature installs and no telemetry or account.

A beginner-friendly open-source guide that walks new contributors through the standard GitHub workflow: fork, clone, branch, edit, commit, push, and pull request, with extensive translations and GUI tool tutorials.

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.

A local-first web UI for running Claude Code and Codex sessions in browser tabs with real PTY terminals, persistent history, and agent coordination via MCP. Sessions run in tmux for durability, with token-authenticated localhost security.

The TablePro marketing site, a Laravel + Inertia + React web application serving the homepage, comparison pages, database landing pages, blog, and legal pages for the native macOS database client TablePro. It runs without a database or credentials, using markdown and JSON content.

Spree is a BSD-3-Clause headless eCommerce platform with a REST API, TypeScript SDK and a Next.js storefront. It covers B2B wholesale pricing, multi-seller marketplaces, cross-border Markets, promotions, sales channels and pluggable payments.