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f.k.a. Awesome ChatGPT Prompts. Share, discover, and collect prompts from the community. Free and open source — self-host for your organization with complete privacy.

Turn any AI agent into an AI Scientist. The #1 Agent Skills library for science, used by 250,000+ scientists worldwide. 177 ready-to-use validated skills plus 100+ scientific databases covering biology, chemistry, medicine, and drug discovery. Compatible with Cursor, Claude Code, Codex, Pi, Antigravity, and the open Agent Skills standard.

Imagination Studio by keys+Wasserman powered by TensorFold: an AI film studio for Mac and NVIDIA DGX Spark. Plan a film like a crew (Slate workflow by Sam Wasserman), render Qwen-Image-2.1 / FLUX3-K pictures and MiniMax H3 / FastH3 video with sound on TensorFold.

Open-source companion agents, and the community that raises them: realtime voice & vision, long-term memory, Live2D / 3D avatars, game companions, social visits and a plugin market. 🐱开源的伙伴 Agent，和一个人与猫娘共同生活的社区。

Thunderbird for Android – Open Source Email App for Android (fka K-9 Mail)

Pentaho Data Integration ( ETL ) a.k.a Kettle

A software library of stochastic streaming algorithms, a.k.a. sketches.

Drop-in CDK CLI for existing CDK apps — up to 15x faster deploys via direct AWS SDK calls instead of CloudFormation.

Apache Camel K is a lightweight integration platform, born on Kubernetes, with serverless superpowers

KOTS provides the framework, tools and integrations that enable the delivery and management of 3rd-party Kubernetes applications, a.k.a. Kubernetes Off-The-Shelf (KOTS) Software.

An implementation of a Signal K central server for boats.

Type-safe, K-sortable, globally unique identifier inspired by Stripe IDs

A fast K Nearest Neighbor library for low-dimensional spaces

KCC (a.k.a. Kindle Comic Converter) is a comic and manga converter for ebook readers.

Open source RTS game running on the Spring/Recoil engine

H2O is an Open Source, Distributed, Fast & Scalable Machine Learning Platform: Deep Learning, Gradient Boosting (GBM) & XGBoost, Random Forest, Generalized Linear Modeling (GLM with Elastic Net), K-Means, PCA, Generalized Additive Models (GAM), RuleFit, Support Vector Machine (SVM), Stacked Ensembles, Automatic Machine Learning (AutoML), etc.

X-Ray Engine 1.5 expansion. Original version was used in S.T.A.L.K.E.R.: Clear Sky.

Improved version of the X-Ray Engine, the game engine used in the world-famous S.T.A.L.K.E.R. game series by GSC Game World. Join OpenXRay! ;)

OpenAPI (f.k.a Swagger) Specification code generator. Supports C#, PowerShell, Go, Java, Node.js, TypeScript, Python

The libdispatch Project, (a.k.a. Grand Central Dispatch), for concurrency on multicore hardware

Simple visual bookmarks extension for Google Chrome and Microsoft Edge.

JS implementation of probabilistic data structures: Bloom Filter (and its derived), HyperLogLog, Count-Min Sketch, Top-K and MinHash

C# style generators a.k.a. semi-coroutines for Julia.

source part of the TeX Live subversion repository - for issues please contact the tex-k mailing list at tug.org

A.K.A. WebAssembly Music. Live coding music and synthesis in Javascript / AssemblyScript (WebAssembly)

🌲 An easy-to-use and scalable toolkit for genomic alteration signature (a.k.a. mutational signature) analysis and visualization in R https://shixiangwang.github.io/sigminer/reference/index.html

📈Lightweight k-line chart that can be highly customized. Zero dependencies. Support mobile.（可高度自定义的轻量级k线图，无第三方依赖，支持移动端）

Universal Signal K sensor framework for the ESP32 platform

Hydro - Next generation high performance online-judge platform - 新一代高效强大的信息学在线测评系统 (a.k.a. vj5)