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AddBuild Q&A Community with Answer. An open-source knowledge-based community software. You can use it quickly to build Q&A community for your products, customers, teams, and more.
a lightweight JavaScript runtime.
Ant is a lightweight, high-performance JavaScript runtime built from scratch. It runs real npm packages, starts instantly and ships as a portable 9 MB binary.
No 140 MB download, and no toolchain to set up. Ant Silver is an independent engine, not a wrapper around V8, JSC, or SpiderMonkey.
Ghost in your shell. Ante is a self-contained agent harness with a highly optimized core. It works like Claude Code or Codex, with none of their dependencies or model constraints.
Ante is designed for cellular-native agents: like cells in an organism, tiny, expendable, massively replicated.
A self-contained coding agent.
Ghost in your shell. Ante is a self-contained agent harness with a highly optimized core. It works like Claude Code or Codex, with none of their dependencies or model constraints.
Subscribe once. Read by email or over MCP.
Antenna stores your feed subscriptions in one local SQLite index, then routes new posts to email and to AI agents over MCP from the same data. No vendor cloud. No proprietary lock-in. Your subscription graph lives in a file you control.
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Upload your open source file now and discover its license, version, and original project.
Build your agent team in OpenClaw with one command.
You don't need to hire a dev team. You need to define one. Antfarm gives you a team of specialized AI agents — planner, developer, verifier, tester, reviewer — that work together in reliable, repeatable workflows. One install. Zero infrastructure.
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The AI-native database. Built for the data your other databases can't touch.
Hybrid search. Local ML inference. Multimodal documents. One binary, zero glue code. Free to run in swarm mode, ready to scale with Antfly Cloud.
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The world's most popular open source digital signage solution. Turn any TV into a powerful digital sign.
Anthias is a digital signage platform for Raspberry Pi devices and PCs.
Source: Anthias - Transformez votre Raspberry Pi en afficheur dynamique @ Korben :fr:.
A collection of notebooks/recipes showcasing some fun and effective ways of using Claude.
The Anthropic Cookbook provides code and guides designed to help developers build with Claude, offering copy-able code snippets that you can easily integrate into your own projects.
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Learn how to use Claude for everyday work tasks, understand core features, and explore resources for more advanced learning on other topics.
734 Cybersecurity Skills for AI Agents. 734+ AI-Ready Skills for Claude Code & More.
The largest open-source library of structured cybersecurity skills following the agentskills.io standard. Deploy instantly to Claude Code, GitHub Copilot, Cursor, and 26+ platforms.
A lightweight sandboxing tool for enforcing filesystem and network restrictions on arbitrary processes at the OS level, without requiring a container.
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This course is intended to provide you with a comprehensive step-by-step understanding of how to engineer optimal prompts within Claude.
Opinionated Oxlint rules for rejecting low-evidence TypeScript and JavaScript patterns.
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Rules for an AI coding agent to filter out generic AI-generated UI designs, text, and code.
A rulebook that stops an AI coding agent shipping generic UI, text, and AI-shaped code.
A GitHub action that detects and automatically closes low-quality and AI slop PRs.
A GitHub Action that detects and automatically closes low-quality and AI slop PRs. It ships with 31 check rules covering PR branches, title, description, template, commit messages, file changes, user signals and contributor history.
Everything is configurable through 54 options including checks, exemptions and failure actions, that you do not have to touch if you don't want to, as we've set sensible defaults.
Biometric liveness detection encyclopedia.
Everything you wanted to know about Biometric Security, Liveness Detection, Spoofing Attacks, and Antispoofing Measures.
AntiSquat leverages AI techniques such as natural language processing (NLP), large language models (ChatGPT) and more to empower detection of typosquatting and phishing domains.
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autonomous software testing.
Antithesis is a continuous reliability platform that autonomously searches for problems in your software within a simulated environment. Every problem we find can be perfectly reproduced, allowing for efficient debugging of even the most complex problems.
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ANTLR (ANother Tool for Language Recognition) is a powerful parser generator for reading, processing, executing, or translating structured text or binary files. It's widely used to build languages, tools, and frameworks. From a grammar, ANTLR generates a parser that can build and walk parse trees.
The single or multi-repository documentation site generator for tech writers who writing in AsciiDoc.
A documentation toolchain that helps technical writing teams create, manage, collaborate on, remix, and publish documentation sites sourced from a variety of versioned content repositories.
🦋 An Infographic Generation and Rendering Framework, bring words to life with AI!
AntV Infographic is AntV's next-generation declarative infographic visualization engine. With a carefully designed infographic syntax, it can quickly and flexibly render high-quality infographics, making information presentation more efficient and data storytelling simpler.
Responsive Layouts for Email.
Antwort offers responsive layouts for Email that both fits and adapts to client widths. Don't underwhelm desktop users with single column layouts that work for mobile. Antwort offers columns on desktop that automatically become rows on mobile.
Anubis: self hostable scraper defense software.
Weighs the soul of incoming HTTP requests using proof-of-work to stop AI crawlers.
Related contents:
- Block AI scrapers with Anubis @ Xe.
- Episode 146: When AI Attacks @ Self-Hosted.
- The surreal joy of having an overprovisioned homelab @ Xe.
- Open source devs are fighting AI crawlers with cleverness and vengeance @ TechCrunch.
- [Anubis] Utiliser la preuve de travail pour bloquer les robots @ Pofilo.fr :fr:.
- The Day Anubis Saved Our Websites From a DDoS Attack @ fabulous.systems.
- Protéger tous ses sites avec Anubis @ Dryusdan.space 🚀.
- A thought on JavaScript "proof of work" anti-scraper systems @ Wandering Thoughts.
- Anubis - Protégez votre site web contre les scrapers IA en moins de 15 minutes @ Korben :fr:.
- Ask HN: How to stop an AWS bot sending 2B requests/month? @ Hacker News.
- Comment protéger vos serveurs et lutter efficacement contre les crawlers d’IA @ Bearstech :fr:.
An anime tracker for AniList featuring a TUI.
This is a TUI application to play and manage anime with AniList for Linux systems.
An high level argument parsing library for bash.
The purpose is to replace the option-parsing and usage-describing functions commonly rewritten in all scripts.
This library is implemented for bash version 4. Prior versions of bash will fail at interpreting that code.
Anvil is a graphical, multi-pane tiling editor that makes bold use of the mouse and integrates closely with the shell. It supports syntax highlighting, multiple cursors and selections, remote file editing, and contains a powerful text manipulation language.
any-agent is a Python library providing a single interface to different agent frameworks.
Control panel to Start/Stop/View Logs for apps in Docker, Systemd, VMs or anything else (with user scripts).
Realtime server for reliable two-way communication to power-up any backend.
AnyCable is a realtime server for two-way reliable communication over WebSockets and SSE.
If your product needs low latency interactivity, communication, or collaboration, AnyCable can be the perfect solution at any stage: start building with a managed (SaaS) version, and move on to the cost efficient Pro version, or move off to open source. AnyCable has been around for 7+ years, and it is powering large-scale applications around the world (see use cases).
đź›’ The Store of Infinite Products. Bring Impossible Products to Life
Your wildest product ideas, visualized in seconds.
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Communicate with an LLM provider using a single interface.
any-llm is a Python library providing a single interface to different llm providers.
Use SQL for everything. Query anything with old-school cool SQL.
Anyquery is a CLI tool to run SQL queries on any data source, no matter if it's a file, an API, logs, or a local app. See the integrations for the full extent of what you can do.
the everything app for those who celebrate trust & autonomy.
Anytype is an encrypted, local-first alternative to the cloud-based Internet. With Anytype, you can build digital Spaces around your interests. These spaces can be personal - for diaries, ideas and drafts, or shared - with your family, small communities, teams, neighbors and people with similar interests.
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A modern desktop client for Navidrome/Subsonic servers built with React and Electron.
This script allows you to do recognition around a domain name. AORT makes it possible to detect the sub-domains, the DNS, the possibility of a domain name transfer, the type of WAF in place (firewall application), the Whois information, the open ports, as well as various endpoints or mailboxes.
The Apache Hadoop software library is a framework that allows for the distributed processing of large data sets across clusters of computers using a simple programming model. It is designed to scale up from single servers to thousands of machines, each offering local computation and storage. Rather than rely on hardware to deliver high-avaiability, the library itself is designed to detect and handle failures at the application layer, so delivering a highly-availabile service on top of a cluster of computers, each of which may be prone to failures.
Graph Data Processing & Analytics for Relational Database.
Apache AGE® is a PostgreSQL extension that provides graph database functionality. Graph database optimized for fast analysis and real-time data processing. It is provided as an extension to PostgreSQL.
Airflow is a platform created by the community to programmatically author, schedule and monitor workflows.
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- Apache Airflow Configuration and Tuning @ DZone.
- Exploring Apache Airflow for Batch Processing Scenario @ DZone.
- What Is Apache Airflow @ Seattle Data Guy.
- Alternatives to Talend – How To Migrate Away From Talend For Your Data Pipelines @ Seattle Data Guy.
- Improving workflow orchestration with Apache Airflow 3.1 in Cloud Composer @ Google Cloud Blog.
- How You can Automate PostgreSQL Backups to S3 Using Apache Airflow! @ Kube Blogs.
- Générer un Excel volumineux avec Airflow sans dépassement de mémoire @ .LOUD :fr:.
Free Open-source Q&A Platform. Build a Knowledge Base with Apache Answer.
A Q&A platform software for teams at any scale. Whether it’s a community forum, help center, or knowledge management platform, you can always count on Answer.
Cloud-Native API Gateway.
Apache APISIX provides rich traffic management features like Load Balancing, Dynamic Upstream, Canary Release, Circuit Breaking, Authentication, Observability, etc.
The universal columnar format and multi-language toolbox for fast data interchange and in-memory analytics.
Apache Arrow defines a language-independent columnar memory format for flat and hierarchical data, organized for efficient analytic operations on modern hardware like CPUs and GPUs. The Arrow memory format also supports zero-copy reads for lightning-fast data access without serialization overhead.
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The Unified Apache Beam Model. The easiest way to do batch and streaming data processing. Write once, run anywhere data processing for mission-critical production workloads.
Apache Beam is a unified programming model for Batch and Streaming data processing. Apache Beam is a unified model for defining both batch and streaming data-parallel processing pipelines, as well as a set of language-specific SDKs for constructing pipelines and Runners for executing them on distributed processing backends, including Apache Flink, Apache Spark, Google Cloud Dataflow, and Hazelcast Jet.
A scalable, fault-tolerant, and low-latency storage service optimized for real-time append-only workloads.
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Build applications that make decisions (chatbots, agents, simulations, etc...). Monitor, trace, persist, and execute on your own infrastructure.
Apache Burr (incubating) makes it easy to develop applications that make decisions (chatbots, agents, simulations, etc...) from simple python building blocks.
Apache Burr works well for any application that uses LLMs, and can integrate with any of your favorite frameworks. Burr includes a UI that can track/monitor/trace your system in real time, along with pluggable persisters (e.g. for memory) to save & load application state.
Dynamic data management framework. The foundation for your next high-performance database.
It contains many of the pieces that comprise a typical database management system but omits the storage primitives. It provides an industry standard SQL parser and validator, a customisable optimizer with pluggable rules and cost functions, logical and physical algebraic operators, various transformation algorithms from SQL to algebra (and the opposite), and many adapters for executing SQL queries over Cassandra, Druid, Elasticsearch, MongoDB, Kafka, and others, with minimal configuration.
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The Open Source Integration Framework
Connect anything. Route everything. 350+ connectors, written in Java, YAML, or XML, deployed on Spring Boot, Quarkus, or standalone with the Camel CLI.
Apache Camel is an open source integration framework with 350+ connectors for databases, APIs, message brokers, and cloud services. Write routes in Java, YAML, or XML. Run on Spring Boot, Quarkus, or standalone with the Camel CLI. In production since 2007 — used by thousands of companies worldwide. Apache License 2.0.
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Apache Cordova is a platform for building native mobile applications using HTML, CSS and JavaScript
Seamless multi-master sync, that scales from Big Data to Mobile, with an Intuitive HTTP/JSON API and designed for Reliability.
CouchDB is a database that completely embraces the web. Store your data with JSON documents. Access your documents with your web browser, via HTTP. Query, combine, and transform your documents with JavaScript. CouchDB works well with modern web and mobile apps. You can distribute your data, efficiently using CouchDB’s incremental replication. CouchDB supports master-master setups with automatic conflict detection.
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DataFusion is a very fast, extensible query engine for building high-quality data-centric systems in Rust, using the Apache Arrow in-memory format.
DataFusion is great for building projects such as domain specific query engines, new database platforms and data pipelines, query languages and more. It lets you start quickly from a fully working engine, and then customize those features specific to your use.
Open source data warehouse for real time data analytics.
Apache Doris is an easy-to-use, high-performance and real-time analytical database based on MPP architecture, known for its extreme speed and ease of use. It only requires a sub-second response time to return query results under massive data and can support not only high-concurrency point query scenarios but also high-throughput complex analysis scenarios.
Druid is a high performance, real-time analytics database that delivers sub-second queries on streaming and batch data at scale and under load.
Building Enterprise Microservices with Dubbo!
Apache Dubbo is an easy-to-use, high-performance WEB and RPC framework with builtin service discovery, traffic management, observability, security features, tools and best practices for building enterprise-level microservices.
Apache ECharts is a powerful, interactive charting and data visualization library for browser.
Apache ECharts is a free, powerful charting and visualization library offering easy ways to add intuitive, interactive, and highly customizable charts to your commercial products. It is written in pure JavaScript and based on zrender, which is a whole new lightweight canvas library.
Stateful Computations over Data Streams.
Apache Flink is a framework and distributed processing engine for stateful computations over unbounded and bounded data streams. Flink has been designed to run in all common cluster environments, perform computations at in-memory speed and at any scale.
Related contents:
- Flink AI: Hands-On FEDERATED_SEARCH()—Search a Vector Database with Confluent Cloud for Apache Flink® @ Confluent.
- You Gotta Push If You Wanna Pull @ Gunnar Morling.
- Why We Ditched Flink Table API Joins: Cutting State by 75% with DataStream Unions @ Zalando Engineering Blog.
- The KFC Architecture Blueprint: Kafka, Flink, and ClickHouse @ Big Data Boutique.
- S3 is the perfect place to store data, until you try to search it @ Gordon Murray.
- From 40 seconds to under 10: rebuilding incident detection on OpenTelemetry, Apache Kafka, and Apache Flink on Kubernetes @ CNCF.
A unified metadata lake across all your sources, formats, cloud providers, and regions in a federated architecture. World's most powerful open data catalog for building a high-performance, geo-distributed and federated metadata lake.
Apache Gravitino is a high-performance, geo-distributed, and federated metadata lake. It manages metadata directly in different sources, types, and regions, providing users with unified metadata access for data and AI assets.
Apache Guacamole is a clientless remote desktop gateway. It supports standard protocols like VNC, RDP, and SSH.
We call it clientless because no plugins or client software are required. Thanks to HTML5, once Guacamole is installed on a server, all you need to access your desktops is a web browser.