RunUO is a free, open-source Ultima Online server emulator written in C#. Originally founded by Ryan McAdams in 2002, RunUO has been the foundation for countless Ultima Online shards and has contributed significantly to the UO emulation community.
Cost / License
- Free
- Open Source (GPL-2.0)
Platforms
- Windows
- Mac
- Linux
- Self-Hosted
NPS Enhanced is an open-source NAT traversal and reverse proxy system with a built-in Web UI. It is designed for publishing private services and enabling remote access through a public server, while keeping deployment and management straightforward.
Cost / License
- Free
- Open Source (GPL-3.0)
Platforms
- Windows
- Android
- Mac
- Linux
- Self-Hosted
- BSD
- Docker


Local-first persistent memory layer for AI coding agents, providing 12 MCP tools for context search, decision tracking, and session handoffs with no cloud required.
Cost / License
- Free Personal
- Open Source
Platforms
- Mac
- Windows
- Linux
- Self-Hosted
- Docker

OpenClaw is powerful, but give it real credentials and you're exposed. Prompt injections steal API keys. Malicious skills grab passwords. IronClaw fixes this. Your credentials live in an encrypted vault inside a TEE — injected at the network boundary only for approved...
Cost / License
- Free
- Open Source (Apache-2.0)
Application type
Platforms
- Online
- Windows
- Mac
- Self-Hosted
- Linux
United States


+1
Koffan is a lightweight web application for managing shopping lists, designed for couples and families. It allows real-time synchronization between multiple devices, so everyone knows what to buy and what's already in the cart.
Cost / License
- Free
- Open Source
Application type
Platforms
- Self-Hosted
- Docker
- YunoHost
Poland
EU

Cost / License
- Free
- Open Source
Platforms
- Online
- Self-Hosted
- Docker



Prototracker is a fakebit chiptune tracker that uses a single-oscillator synth with 256 preset waveforms. Macros are used to create instruments and keyboard shortcuts are similar to the familiar Protracker.
Cost / License
- Free
- Open Source (MIT)
Application type
Platforms
- Mac
- Windows
- Linux
- Online
- Self-Hosted
Finland
EU

Cost / License
- Free
- Open Source (MIT)
Application type
Platforms
- Self-Hosted
- Ubuntu
- Debian
- Raspbian


Pastes.io is a simple and efficient pastebin for mainly code to be distributed neatly and efficiently across the web. It is a website where you can store any text code or snippets online for easy sharing.
Cost / License
- Free
- Proprietary
Application typeApplication types
Platforms
- Mac
- Windows
- Linux
- Online
- Android
- iPhone
- Java Mobile
- Windows Phone
- iPad
- Self-Hosted
- Linux Mobile
- Software as a Service (SaaS)



Open-source platform offering GDPR-compliant email campaigns, advanced segmentation, custom fields, CSV imports, and privacy-focused self-hosting or managed options.
Cost / License
- Paid
- Open Source (AGPL-3.0)
Application type
Platforms
- Self-Hosted
- Software as a Service (SaaS)
- Cloudron
Germany
EU


+5
pyrodactyl is the Pterodactyl-based game server panel that's faster, smaller, safer, and more accessible. It's the world's best Pterodactyl, powered by pyro.host. Runs on Windows!.
Cost / License
- Free Personal
- Open Source (Apache-2.0)
Application type
Platforms
- Windows
- Linux
- Online
- Self-Hosted
United States


Replane is an open-source, self-hosted platform for feature flags and dynamic configuration. It lets teams change feature toggles, rate limits, and app settings in real-time without redeploying code—updates propagate to connected services in under a second via Server-Sent Events.
Cost / License
- Freemium
- Open Source (MIT)
Platforms
- Online
- Self-Hosted
- Software as a Service (SaaS)
- Docker


+1
Deploy a lightweight scanner and get live network diagrams in minutes. Scanopy automatically discovers hosts, services, and connections via SNMP, LLDP, CDP, and ARP, then generates topology maps that stay current on a schedule. No manual maintenance, no stale files.
Cost / License
- Freemium
- Open Source (AGPL-3.0)
Platforms
- Online
- Self-Hosted
- Software as a Service (SaaS)
- Docker
United States


Ziit (pronounced "tseet") is an open source, self-hostable alternative to WakaTime that provides a clean, minimal and fast dashboard for viewing coding statistics while ensuring privacy by keeping your data on your own server.
Cost / License
- Free
- Open Source (AGPL-3.0)
Application type
Platforms
- Self-Hosted
- Docker
- Online
Switzerland


Analyze gigabyte-sized log files instantly in your browser. Zero upload, 100% local processing. The modern alternative to crashing text editors.
Cost / License
- Free
- Open Source (MIT)
Platforms
- Online
- Self-Hosted
- Docker

Open-source, self-hosted CRM with a built-in AI assistant and a 37-tool MCP server that lets Claude, Cursor, or any AI agent work your CRM directly.
Cost / License
- Free
- Open Source (AGPL-3.0)
Application typeApplication types
Platforms
- Online
- Self-Hosted
- Software as a Service (SaaS)
- Docker


+2
Feathers is a real-time, micro-service web framework for NodeJS that gives you control over your data via RESTful resources, sockets and flexible plug-ins.
Cost / License
- Free
- Open Source
Platforms
- Self-Hosted
- Node.JS
Highcharts is a charting library written in pure JavaScript, offering an easy way of adding interactive charts to your web site or web application. Highcharts currently supports line, spline, area, areaspline, column, bar, pie and scatter chart types.
Cost / License
- Free Personal
- Proprietary
Application type
Platforms
- Online
- Java Mobile
- Self-Hosted
Norway

Colly is a web-based application designed for effortlessly collecting and organizing your favorite URL's and websites. With Colly, users can create a personalized library of web pages.
Cost / License
- Free
- Open Source (MIT)
Application type
Platforms
- Self-Hosted
- Docker



Memgraph is an open source graph database built for real-time streaming and compatible with Neo4j. Whether you're a developer or a data scientist with interconnected data, Memgraph will get you the immediate actionable insights fast.
Cost / License
- Freemium
- Open Source
Platforms
- Mac
- Windows
- Linux
- Self-Hosted
- Software as a Service (SaaS)
- Online
United Kingdom

Ideon is an open-source, self-hosted alternative to tools like Heptabase and Kosmik, specifically designed for technical projects. It provides an infinite spatial canvas where users can organize information visually rather than in linear documents or folder structures.
Cost / License
- Free
- Open Source (AGPL-3.0)
Platforms
- Self-Hosted
- Docker
France
EU


Cost / License
- Free
- Open Source (MIT)
Application type
Platforms
- Self-Hosted


Void is an open-source Minecraft proxy - an alternative to Velocity or BungeeCord - designed specifically for modded servers.
Cost / License
- Free
- Open Source (MIT)
Platforms
- Linux
- Mac
- Windows
- Docker
- Self-Hosted












































































