Sega Mega Drive/Genesis and Sega CD emulator. It is designed as a modular project, consisting of a portable emulation core written in C and a feature-rich standalone frontend built with C++, SDL3, and Dear ImGui. You can try ClownMDEmu in your web browser at clownmdemu.clownacy.com.
Cost / License
- Free
- Open Source (AGPL-3.0)
Platforms
- Windows
- Online
- Linux
Scrapling is an adaptive Web Scraping framework that handles everything from a single request to a full-scale crawl.
Cost / License
- Free
- Open Source (BSD-3-Clause)
Platforms
- Windows
- Mac
- Linux
Enjoy some retro nostalgia with a free open source journaling app for Windows, Mac, and Linux. Source code is available.


+1
Fully managed OpenClaw framework for all knowledge work ever. CRM automation and outreach agents. The only local productivity tool you need.
Cost / License
- Free
- Open Source (MIT)
Application types
Platforms
- Mac
- Windows
- Linux
- JavaScript
- Typescript
- npm
- Node.JS

Free offline invoice software for Windows and Linux. Create professional PDF invoices, manage clients and products — no internet, no subscription, no account needed


+21
A high-performance, cross-platform CLI tool for file filtering, batch processing, and workflow automation. It replaces fragmented Shell scripts with consistent Glob/Regex logic and async file streams.
Cost / License
- Free
- Open Source (LGPL-2.1)
Platforms
- Mac
- Windows
- Linux
- BSD


+4
Turn any PDF or image document into structured data for your AI. A powerful, lightweight OCR toolkit that bridges the gap between images/PDFs and LLMs. Supports 100+ languages.
Cost / License
- Free
- Open Source (Apache-2.0)
Platforms
- Windows
- Mac
- Linux



A fast, lightweight raster image editor for Windows. Features layers, blend modes, GPU-accelerated filters, gradients, mesh warp, brushes, selection tools, adjustments, animated GIF/APNG support, and a built-in Rhai scripting engine. Single portable executable, no install required.



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
Cross-platform CLI tool that reads body composition from 23 BLE smart scales and exports to Garmin Connect, Strava, MQTT (Home Assistant), InfluxDB, Webhooks, Ntfy, and local files without a phone app.
Cost / License
- Free
- Open Source (GPL-3.0)
Platforms
- Windows
- Mac
- Linux
- Docker
- Raspberry Pi

Cost / License
- Free
- Open Source
Application type
Platforms
- Mac
- Windows
- Linux
- Docker


+3
Offers a modular, node-based procedural design system for parametric vector graphics, with real-time, non-destructive edits, gradients, and SVG integration.


+1
A professional, feature-rich YouTube (and more) video downloader desktop application designed for speed, simplicity, and powerful media downloading capabilities.
Cost / License
- Free
- Open Source
Platforms
- Windows
- Mac
- Linux


+1
CrabPad is a fast, free Markdown editor built with Rust. Local-first, keyboard-driven, with Zen Mode, Command Palette, live preview, and support for KaTeX math, Mermaid diagrams, and GFM. Available for macOS, Windows, and Linux.
Cost / License
- Free
- Proprietary
Platforms
- Windows
- Mac
- Linux


+1
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

Distribyted tries to make easier integrations with other applications among torrent files, presenting them as a standard filesystem.


+2
Cost / License
- Free
- Open Source (CC0-1.0)
Application type
Platforms
- Mac
- Windows
- Linux
- Node.JS
- Self-Hosted
- npm



Open Atrium is a Drupal distribution that allows you to confidently engage with your colleagues through convenient collaboration.













































































