OpenSlides

Bento is an open-source PowerPoint alternative and office suite distributed as a single HTML file. Each deck contains its own viewer, presenter, editor, fonts, images, charts, animations, and readable JSON document data, so it can be opened, edited, presented, and shared in a modern browser without an account, installer, or network connection. The editor rewrites the deck's data block when saving, using the File System Access API with a download fallback. It supports morph presentations in which elements sharing an ID animate between slides, built-in bar, line, pie, and scatter charts, speaker view, comments, layouts, interactive states, motion paths, PDF export, and multiple interface languages. Optional collaboration uses end-to-end encryption with AES-GCM, a CRDT for merging offline edits including character-level text changes, and a relay that stores ciphertext rather than document contents; Offline mode blocks synchronization and collaboration.

Design Studio AI is an open-source, agent-first design workspace for humans and AI agents. It supports web interfaces, slides, reports, wireframes, 3D scenes, and timeline videos; users start from a brief or template, inspect a preview, revise through chat or a manual editor, and work together on the same versioned document. The workspace provides structured flex/grid layouts, reusable design systems, 2D character motion, editable 3D scenes, BYOK text/image/speech/music/video generation, and exports including JSON, HTML, SVG, PNG, PDF, PowerPoint, WebM, GLB/glTF, React prototype ZIPs, and authorized Google Slides. It exposes REST, authenticated MCP, experimental WebMCP, and a CLI for agent access, and can run on Cloudflare or be self-hosted with Docker and persistent SQLite/files. The repository is distributed under the MIT license.

Sprite Studio is a local-first, open-source desktop AI workbench for creating, animating, testing, organizing, and exporting 2D game art. It combines prompt- and reference-based generation with pixel-scale review, sprite viewing, animation planning, loop testing, rigging, deterministic rendering, and PNG sprite-sheet export with metadata. For animation, the AI plans a complete motion sequence and generates frames sequentially using the source asset's identity and neighboring accepted frames. Its native Rust rig engine uses named joint, anchor, contact, and pivot points plus capsule bones; it assigns opaque pixels to bones, supports planted contacts through analytic two-bone inverse kinematics, and renders frames through bone transforms and nearest-neighbor inverse mapping without image generation. The resulting frames flow into asset organization, quality analysis, the playground, and exports. The application runs on macOS, Windows, and Linux and is built with Tauri, Svelte, Rust, SQLite, and an installed Codex CLI. It is designed for local-first use and does not target Android or iOS.

Editable Visual Design is an open-source, coding-agent-driven toolkit for creating editable visual artifacts from prompts. A persistent coding agent interprets a brief, plans a composition, generates assets, implements the design in semantic HTML, renders and observes the result, and applies repairs. An image model supplies visual direction for composition, hierarchy, color, and spatial relationships, while the delivered artifact rebuilds typography and layout in HTML rather than shipping reference pixels. The resulting artifact contains real text, independent assets, selectable and movable layers, a visual editor, rendered PNG output, an animated layer breakdown, and a replayable creation process. Deterministic checks cover the canvas, fonts, layer contracts, rendering, and editor round trips. The repository distributes the workflow as two Codex skills, including editable-design for fixed-canvas designs and a separate html-to-pptx skill for converting compatible HTML designs into editable presentations.