You NEED to try these 6 Open-Source Projects NOW

UNUnslothUnsloth AIAvailable in EU

Free open-source tool for local LLM fine-tuning that now also runs inference and has an agent UI similar to ChatGPT, with web search, MCP, tools and memory. It offers a no-code point-and-click interface for training and fine-tuning text, image and video models, supports remote access, and runs on Windows, Mac and Linux.

DDDiagram DesignAvailable in EU

An agent skill that lets agents create clean diagrams (flowcharts, architecture charts, state machines, timelines, quadrants) without broken or overlapping arrows. The creator installed it in Hermes Agent from a GitHub URL and generated an architecture diagram of Hermes Agent that looked good.

OSObsidian SkillsObsidianAvailable in EU

Agent skills built on the agent skill specification that let agents such as Hermes, Claude Code, Codex and Cursor work with Obsidian markdown notes. This allows using Obsidian as a local-first wiki or knowledge base for an agent.

BUBuzzBlockAvailable in EU

Open-source, self-hostable Slack alternative from Block in which agents are first-class users alongside humans. It embeds workflows and automations, logs every event on a Nostr relay as signed events, supports any model, and had about 27,000 GitHub stars within a week.

ELEgo LiteAvailable in EU

Open-source browser described as the fastest for AI agents, sharing the user's logged-in browser state with agents like Codex or Claude Code at zero cost and zero configuration. The creator invoked it in Codex with a slash command and showed it running quickly, with about 10,000 stars.

MOModlyAvailable in EU

Local open-source image-to-3D mesh generator for asset creation or 3D printing. It runs entirely locally on a desktop GPU, supports Windows, Linux and Mac, and has just under 6,000 stars.