Twenty-one open-source projects for building, automating, and running AI-heavy workflows without handing everything to a hosted platform.

This set covers tiny local models, coding-agent infrastructure, browser automation, internal tools, CAD, SEO, remote access, and the strange little utilities that make developer work better. Developers, technical teams, and anyone building with agents will find something worth stealing here.

  1. ante is a self-contained terminal coding agent shipped as a single Rust binary with no runtime dependencies. It supports provider keys, subscriptions, local GGUF models, offline use, MCP skills, multi-agent orchestration, and memory.

  2. ARC-AGI-1 Task Generator creates private reasoning tasks that match the distribution of public ARC-AGI-1 evaluation sets. The standard-format tasks give models an unseen test instead of another chance to memorize a public benchmark.

  3. attention-span gives Claude Code Markdown-based output styles that change how the agent communicates, not how it codes. Its ADHD-friendly, Spartan, and Rundown styles push responses toward short, low-jargon, skimmable writing.

  4. chatbot-template is a minimal Next.js chatbot starter built with the AI SDK, shadcn/ui, shadcn/react, and shadcn/typeset. It includes streaming chat, Markdown, tool calling, provider-native web search, clarification questions, typed streaming parts, and one-click deployment through the Vercel AI Gateway.

  5. Cursor plugins packages agent skills, editor rules, and MCP server definitions as standalone plugins with marketplace manifests. The official collection covers workflows such as continual learning, pull-request review, and task orchestration.

  6. DeepSeek Harness is a plugin-based agent harness built on the Cortis framework. Capabilities, models, tools, and interfaces are all plugins, and a local web UI launches with an npx command.

  7. Diagram Design is a Claude Code skill for producing 29 editorial diagram types as self-contained HTML and SVG. It avoids Mermaid-style output and supports palette and font matching, contrast checks, and PNG or SVG export.

  8. Diagram Design Editorial is the same 29-type editorial diagram system for Claude Code, built around self-contained HTML and SVG. Its blunt design brief is simple: no shadows and no Mermaid-slop.

  9. git-knife is a desktop GUI for editing Git commit metadata without changing file contents. It handles messages, author and committer names, dates, and email addresses, plus bulk replacements with backups for restoration.

  10. Manim is a Python animation engine for explanatory math videos. It turns programmatic scenes of shapes, equations, and transformations into rendered video or a live OpenGL view.

  11. moli is a Rust headless browser built for AI agents. It exposes JavaScript, DOM, CSS, networking, storage, and automation interfaces, with on-demand layout and rendering for browsing, crawling, retrieval, and evaluation.

  12. Needle 2 is a 45-million-parameter foundation model for tool calling, device use, and structured extraction on tiny devices. Its 14 MB binary runs a full session in about 28 MB of RAM and returns schema-constrained JSON tool calls with confidence scores for escalation.

  13. OpenMausBot is a chat application for managing multiple AI agents as separate bots. It connects them through local command-line tools and manages their processes, transcripts, events, permissions, and virtual-machine access from one interface.

  14. OpenSEO is a self-hostable open-source alternative to Semrush and Ahrefs. It covers keyword research, rank tracking, competitor insights, backlinks, site audits, AI visibility, and agent access through an MCP server.

  15. Orca is an agent development environment for running a fleet of coding agents in parallel. Each agent gets an isolated Git worktree, with terminal splits, GitHub and Linear integrations, SSH worktrees, and desktop, mobile, and VPS support.

  16. partmode is a local-first parametric browser CAD tool for people and typed agents. It supports editable parts, structured assemblies with mates, exploded views and sections, plus STEP, STL, 3MF, SVG, DXF, and PDF import or export.

  17. pyroclear replaces the terminal clear command with a wall of ASCII flames before wiping the screen. It supports terminal resizing, transparent empty cells, multiple palettes, and controls for gradients, frame rate, wind, and flame height.

  18. React Email Editor is a drag-and-drop email builder component for React. It saves designs as JSON, exports responsive HTML, supports custom blocks, events, translations, editor customization, and an optional AI assistant.

  19. RustDesk is a self-hostable Rust remote desktop application and an alternative to TeamViewer. It provides screen control, file transfer, clipboard synchronization, and TCP tunneling across Windows, macOS, Linux, Android, and iOS.

  20. ToolJet is an open-source low-code platform for internal tools, dashboards, workflows, business applications, and AI agents. It combines drag-and-drop components with data-source connections, query editors, JavaScript or Python logic, and Docker or Kubernetes self-hosting.

  21. watermarks-remover strips multi-vendor AI provenance marks from text and files you own. Its Python CLI handles Unicode text hygiene, statistical rewrite hooks, C2PA and metadata, and PNG, JPEG, SVG, PDF, DOCX, HTML, and Markdown files.

Compiled from the videos in the AINotes library. Every entry comes from something a creator actually said.