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Official Crawl4AI Cloud: a hosted web scraping, extraction, and search API for AI agents. Free API key, 1,000 credits a month, no card. Fully open source: this repo is the Apache-2.0 crawler that powers it, and you can self-host it.
Open 3D Engine (O3DE) is an Apache 2.0-licensed multi-platform 3D engine that enables developers and content creators to build AAA games, cinema-quality 3D worlds, and high-fidelity simulations without any fees or commercial obligations.
Parsing gigabytes of JSON per second : used by Facebook/Meta Velox, the Node.js runtime, ClickHouse, WatermelonDB, Apache Doris, Milvus, StarRocks
Apache Airflow - A platform to programmatically author, schedule, and monitor workflows
Apache Superset is a Data Visualization and Data Exploration Platform
HarnessRouter Community Edition: the self-hosted, Apache-2.0 edition of the unified interface for agent harnesses. Run Codex, Claude Code, Hermes, PI, DSH, and more through one API, with sessions, streaming, files, cancellation, and failure handling. Implements the Unified Harness Protocol (UHP), an open standard. Your keys, your infrastructure.
Trackers gives you clean, modular re-implementations of leading multi-object tracking algorithms released under the permissive Apache 2.0 license. You combine them with any detection model you already use.
Apache DataFusion SQL Query Engine
The premier source of truth powering network automation. Open source under Apache 2. Try NetBox Cloud free: https://netboxlabs.com/products/free-netbox-cloud/
Apache Arrow is the universal columnar format and multi-language toolbox for fast data interchange and in-memory analytics
Rapid-MLX is an open-source (Apache 2.0) OpenAI- and Anthropic-compatible LLM inference server for Apple Silicon, built on MLX, focused on reliable tool calling for coding agents. Up to 4× faster than Apple's MLX (mlx-lm) on the same weights.
Tantivy is a full-text search engine library inspired by Apache Lucene and written in Rust
Apache Doris is a real-time analytics and hybrid search database for AI agents.
Upserts, Deletes And Incremental Processing on Big Data.
Apache Iceberg
Apache Kafka - A distributed event streaming platform
World's most powerful open data catalog for building a high-performance, geo-distributed and federated metadata lake.
Apache ECharts is a powerful, interactive charting and data visualization library for browser
The Cloud-Native API Gateway and AI Gateway
Apache Camel is an open source integration framework with 350+ connectors. Write routes in Java, YAML, or XML. Run on Spring Boot, Quarkus, or standalone. Apache License 2.0.
Vigil SOC: The leading open source AI SOC. Apache 2.0. Runs against your own LLM, local or remote.
Fast. Easy. Done. Processing spreadsheets without worrying about large files causing OOM.
NoSQL data store using the Seastar framework, compatible with Apache Cassandra and Amazon DynamoDB
ModSecurity is an open source, cross platform web application firewall (WAF) engine for Apache, IIS and Nginx. It has a robust event-based programming language which provides protection from a range of attacks against web applications and allows for HTTP traffic monitoring, logging and real-time analysis.
Drop-in Apache Spark replacement written in Rust, unifying batch processing, stream processing, and compute-intensive AI workloads.
Apache ShenYu is a Java native API Gateway for service proxy, protocol conversion and API governance.
Apache Casbin: an authorization library that supports access control models like ACL, RBAC, ABAC.
Share and discover coding agent resources across your team. Self-hosted, Apache 2.0, works with Claude Code, Kiro, Cursor, Codex, Pi and more.
Apache RocketMQ is a cloud native messaging and streaming platform, making it simple to build event-driven applications.
Apache NiFi