Open source. Open possibilities.

Pandoc is a universal markup converter that functions as both a Haskell library and a command-line tool for converting documents between a wide variety of markup formats.

A high-performance LLM proxy server in Go that dynamically routes prompts to the most cost-effective and capable model based on the workload domain.

mlr3summary is an R package that provides concise, informative summaries of machine learning models built on the mlr3 ecosystem, inspired by classical generalized linear model summary outputs.

Prefect is a Python-based workflow orchestration framework designed to build, automate, and monitor resilient data pipelines with features like scheduling and retries.

Argo Workflows is a container-native workflow engine for orchestrating parallel jobs on Kubernetes, implemented as a Custom Resource Definition (CRD).

A strongly-typed .NET wrapper for FFmpeg and FFprobe, providing a fluent API for media transcoding, trimming, merging, and watermarking.

vos is an open programmatic video engine that treats video as a deterministic function of time, allowing for resolution-independent rendering and data-driven editing.

Finicky is a macOS app that routes URLs to specific browsers using customizable rules, supporting JavaScript/TypeScript config, URL rewriting, and multi-browser workflows.

Super Productivity is an advanced open-source todo list application featuring integrated timeboxing, time tracking, and extensive third-party task integrations.

zk is a command-line tool for managing plain text Zettelkasten or personal wikis, supporting templates, tags, links, YAML frontmatter, and editor integrations.

A Rust-based CLI tool that performs lossless commercial (CM) cutting on pre-converted mp4 recording files without re-encoding. It integrates with external tools such as chapter_exe and join_logo_scp, and runs on macOS and Linux.

Open-Sora is an open-source initiative for efficient, high-quality video generation. It provides model checkpoints, training code, and inference tools, including the 11B Open-Sora 2.0 model.

Duix.Avatar is an open-source AI digital human toolkit for offline video generation and avatar cloning, supporting text/voice-driven synthesis with multi-language support.

Manim Community is a Python animation engine for creating precise, programmatic explanatory math videos, with a CLI, Jupyter magic, Docker image, and extensive documentation.

AutoSlice is a local intelligent slicing tool for Bilibili recordings, combining FunASR speech recognition, danmaku density analysis, and LLMs to realize a complete workflow from recording analysis to cover production.

Remotion is a framework for creating videos programmatically using React. It supports agentic, interactive, and code-based workflows, batch rendering, and building video apps. Includes Player, templates, and extensive documentation.

Apache Flink is an open-source stream processing framework providing powerful capabilities for both data streaming and batch processing.

Animate Anyone is a project for consistent and controllable image-to-video synthesis aimed at character animation, presented via a research paper with project page and video demo.

A lightweight, standalone Windows video trimmer and cutter designed for fast, frame-accurate clipping without the complexity of a full video editing suite.

OpenCut is a free and open-source video editor supporting web, desktop, and mobile from a single Rust codebase. Currently in active rewrite with a plugin-first architecture, MCP server support, headless mode, and in-editor scripting.