#open-source

Temporal Go SDK

Network-wide ads & trackers blocking DNS server

The Frank!Framework is an easy-to-use, stateless integration framework which allows (transactional) messages to be modified and exchanged between different systems.

A JavaScript/TypeScript SDK for Hiero: A Javascript toolkit for creating, updating, and interacting with on-ledger assets and smart contracts on Hedera and other Hiero networks

💌 Mail app for Nextcloud

Fundamental Library for Angular is SAP Design System Angular component library

Open source compliance automation for SOC 2, GDPR, ISO27001, NIST 800-53, and more

The batteries-included full-stack framework for the AI era. Develop JS/TS web apps (React, Node.js, and Prisma) using declarative code that abstracts away complex full-stack features like auth, background jobs, RPC, email sending, end-to-end type safety, single-command deployment, and more.

One framework for creating powerful cross-platform games.

Monorepo for StartOS, StartWRT, StartTunnel, start-sdk, start-docs, start-cli, start-registry, patch-db, and various shared libraries

OpenUI5 lets you build enterprise-ready web applications, responsive to all devices, running on almost any browser of your choice.

Free and open source laravel eCommerce platform

Open weather data for humans.

Commerce Search & Discovery frontend web components

Open Source HR and Payroll Software

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

📇 Contacts app for Nextcloud

The AI-Engineering Foundation Framework for CRM/ERP and commerce: open-source TypeScript, with multi-tenancy, RBAC, events and domain modules already decided as conventions and specs, so Cursor, Claude Code and Codex build features instead of re-deciding architecture. Start with 80% done.

OpenEverest is an open-source platform for automated database provisioning and management. It supports multiple database technologies and can be hosted on any Kubernetes infrastructure, in the cloud or on-premises.

Open source platform for AI Engineering: OpenTelemetry-native LLM Observability, GPU Monitoring, Guardrails, Evaluations, Prompt Management, Vault, Playground. 🚀💻 Integrates with 50+ LLM Providers, VectorDBs, Agent Frameworks and GPUs.

Temporal Java SDK

QVAC - Local AI SDK and libraries for building private, cross-platform, peer-to-peer AI applications. Run LLMs, speech-to-text, translation, and more locally on Linux, macOS, Windows, Android, and iOS.

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

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.

ForgeMT is a multi-tenant platform for self-hosted GitHub Actions runners on AWS. It gives platform teams an IaC-driven way to operate ephemeral EC2 runners and ARC/Kubernetes runner scale sets for many tenant repositories.

The Ersilia Model Hub, an open-source repository and CLI of AI/ML models for infectious and neglected disease research.

GlobaLeaks is a free and open-source whistleblowing software enabling anyone to easily set up and maintain a secure reporting platform.

GlobaLeaks is a free and open-source whistleblowing software enabling anyone to easily set up and maintain a secure reporting platform.

A C++ SDK for Hiero: A C++ toolkit for creating, updating, and interacting with on-ledger assets and smart contracts on Hedera and other Hiero networks

A C++ SDK for Hiero: A C++ toolkit for creating, updating, and interacting with on-ledger assets and smart contracts on Hedera and other Hiero networks