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Cloud-native OSS search engine for observability

A beautiful, powerful, self-hosted rom manager and player.

Alokai is a Frontend as a Service solution that simplifies composable commerce. It connects all the technologies needed to build and deploy fast & scalable ecommerce frontends. It guides merchants to deliver exceptional customer experiences quickly and easily.

Open Source Metering and Usage Based Billing API ⭐️ Consumption tracking, Subscription management, Pricing iterations, Payment orchestration & Revenue analytics

AI Agent Engineering Platform built on an Open Source TypeScript AI Agent Framework

Mautic: Open Source Marketing Automation Software.

Open-source, low-code AutoML platform for Python. PyCaret 4.0: sklearn-native engine + React control plane.

Cocos simplifies game creation and distribution with Cocos Creator, a free, open-source, cross-platform game engine. Empowering millions of developers to create high-performance, engaging 2D/3D games and instant web entertainment.

A build-it-yourself, 6-wheel rover based on the rovers on Mars!

Self-organizing AI second brain for Obsidian + Claude Code. Drop any source and Claude reads, links, and files it into one connected knowledge graph of plain Markdown you own. AI note-taking, personal knowledge management (PKM), and an open-source Notion alternative. Based on Karpathy's LLM Wiki pattern.

highlight.io: The open source, full-stack monitoring platform. Error monitoring, session replay, logging, distributed tracing, and more.

🫖 Status page with uptime monitoring & API monitoring as code 🫖

Open source website builder and Webflow alternative. Webstudio is an advanced visual builder that connects to any headless CMS, supports all CSS properties, and can be hosted anywhere, including with us.

Open Source HR and Payroll Software

A free shopping cart system. OpenCart is an open source PHP-based online e-commerce solution.

Mumble is an open-source, low-latency, high quality voice chat software.

Open-source, self-hosted CMS platform on AWS serverless (Lambda, DynamoDB, S3). TypeScript framework with multi-tenancy, lifecycle hooks, GraphQL API, and AI-assisted development via MCP server. Built for developers at large organizations.

Claude-first paid-media operations skill for Claude Code across 12 ad platforms (Google, Meta, YouTube, LinkedIn, TikTok, Microsoft, Apple, Amazon, Reddit, Pinterest, Snapchat, X): source-grounded audits, deterministic scoring, versioned JSON reports, and capability-gated account changes.

Space exploration, trading, and combat game.

AI-native design editor. Open-source Figma alternative.

Open-source observability for your GenAI or LLM application, based on OpenTelemetry

Connect Your Agents And Harnesses With Any Provider 🦚

Securely and anonymously share files, host websites, and chat with friends using the Tor network

Community hub for Requestly API Client — bugs, feature requests, and roadmap. The privacy-first Postman alternative.

📬 Spacebar is a free open source selfhostable discord compatible communication platform

🔥 The free & Open Source DocuSign alternative

Open device management

One webpage for every book ever published!

OpenMW is an open-source open-world RPG game engine that supports playing Morrowind. Main repo and issue tracker can be found here: https://gitlab.com/OpenMW/openmw/

OpenPanel is an open-source web and product analytics platform, an open-source alternative to Mixpanel with optional self-hosting.