Your backend, minus the hassle.

The open source Solver AI for Java, Python and Kotlin to optimize scheduling and routing. Solve the vehicle routing problem, employee rostering, task assignment, maintenance scheduling and other pl…

Production-ready fullstack but simple mail server (SMTP, IMAP, LDAP, Antispam, Antivirus, etc.) running inside a container.

Visualization framework for autonomy and robotics data encoded in XVIZ

Cadence is a distributed, scalable, durable, and highly available orchestration engine to execute asynchronous long-running business logic in a scalable and resilient way.

MapLibre GL JS - Interactive vector tile maps in the browser

Use technologies including Spring WebSocket, Google Maps, Materialize.

WebGL2 powered visualization framework

🪢 Open source LLM engineering platform: LLM Observability, metrics, evals, prompt management, playground, datasets. Integrates with LlamaIndex, Langchain, OpenAI SDK, LiteLLM, and more. 🍊YC W23

🔥 🔥 🔥 Open Source JIRA, Linear, Monday, and Asana Alternative. Plane helps you track your issues, epics, and product roadmaps in the simplest way possible.

Free and Open Source Enterprise Resource Planning (ERP)

🔥 🔥 🔥 Open Source Airtable Alternative

A self-hosted proxy for Azure OpenAI that converts a Azure OpenAI API request into an OpenAI API request to enable use of projects/services that are only compatible with OpenAI specifc endpoints.

Investigating the problem of solving wordle in the most efficient way possible

The fastest and most memory efficient lattice Boltzmann CFD software, running on all GPUs and CPUs via OpenCL. Free for non-commercial use.

A beautiful home server OS for self-hosting with an app store. Buy a pre-built Umbrel Home with umbrelOS, or install on a Raspberry Pi or any x86 system.

A massively parallel, high-level programming language

A reverse proxy that provides authentication with Google, Azure, OpenID Connect and many more identity providers.

The Single Sign-On Multi-Factor portal for web apps

A list of Free Software network services and web applications which can be hosted on your own servers

8 Lessons, Kick-start Your Cybersecurity Learning.

12 Weeks, 24 Lessons, IoT for All!

A quick example of how one can "synchronize" a 3d scene across multiple windows using three.js and localStorage

A simulation of the sky colour as you add in various effects like Rayleigh scattering, the ozone, etc.

A NES port to the Unified OS (Based on the Emulation project which is a work in progress)

The fundamental package for scientific computing with Python.

QuantStart.com - QSTrader backtesting simulation engine.

CasaOS - A simple, easy-to-use, elegant open-source Personal Cloud system.

👩‍💻👨‍💻 Awesome cheatsheets for popular programming languages, frameworks and development tools. They include everything you should know in one single file.

The Web framework for perfectionists with deadlines.