Description:
Sigil is a free, cross-platform, open-source EPUB editor built with Qt6 for creating and editing EPUB books.
InvisibleJim
droiD64
Description:
DroiD64 is a Java-based graphical file manager for Commodore 64 disk images (D64, D67, D71, D80, D81, D82, D88, T64, LNX). It supports disk and file operations, view hex, and integrates with emulators and OpenCBM. Cross-platform (Mac, Linux, Windows).
arcPaint64
Description:
arcPaint64 is a browser-based editor for Commodore 64 graphics, enabling bitmap art, sprites, animation and related assets within authentic C64 constraints. It includes overlay, project-based workflows, direct import/export formats, and a multicolor bitmap converter for faithful C64 artwork.
Lightpanda
Description:
Lightpanda is an AI-native, headless browser built from scratch for machines. Designed for fast, memory-efficient web automation, it offers instant startup and embeddable APIs to power AI agents and automated workflows—an alternative to Chrome headless.
Arnis
Description:
Arnis is an open-source Rust tool that generates detailed Minecraft Java and Bedrock worlds from real-world geospatial data (OpenStreetMap and elevation). It can create hometowns, cities, and landscapes at scale, using modular components. Official site arnismc.com. Documentation includes a GitHub wiki; mobile-friendly option MapSmith available.
Ground Station
Description:
Open-source satellite ground station software for tracking, SDR control, IQ recording, decoding, and automated observations.
BitNet
Description:
BitNet is the official inference framework for 1-bit LLMs, providing optimized CPU/GPU kernels for fast, lossless 1-bit model inference. It includes demo models, build scripts and integration with llama.cpp for efficient 1-bit LLM inference.
Jump ‘n Bump
Description:
Jump ‘n Bump is a family-friendly arcade game where cute bunnies hop on each other’s heads; a modern SDL2 port of the DOS classic with local and network multiplayer.
CorridorKey
Description:
CorridorKey is an AI-powered green-screen keyer that separates foreground and clean alpha from raw frames for photorealistic compositing. It supports optional GVM/VideoMaMa modules and multiple backends, and outputs standard FG/Matte/EXR passes for VFX pipelines.
Sparkle
Description:
Sparkle is an open-source Windows optimization tool that helps you take control of your PC by debloating Windows, boosting gaming performance, and enhancing privacy, with additional features for system maintenance, app installation, and network tuning.