Official Release
October 29, 2026
11 min read
We are thrilled to announce the first official general availability (GA) release of OpenCrawling 1.0.4! Built from the ground up on Java 25 Virtual Threads, Spring Boot 4.1.1, and the Open Ingestion Standard (OIS), version 1.0.4 delivers an enterprise-grade, Zero-Trust pipeline with 20+ connectors (SharePoint, M-Files, OpenArch, Alfresco, CMIS, Iceberg, Solr 10, OpenSearch, Milvus, Qdrant, Vespa), decoupled Kafka streaming, sandboxed Apache Tika 4 text extraction, native Model Context Protocol (MCP) server for LLMs, self-contained Distribution ZIPs for bare-metal & VMs, and Homebrew CLI distribution.
Connector Release
November 5, 2026
8 min read
Discover OpenCrawling's native in-process Web Repository Connector (oc-web-repository-connector). Built on Java 25 Virtual Threads with zero external cluster dependencies, it delivers RFC 9309 robots.txt compliance (crawler-commons), automatic sitemap discovery, runtime-wide host politeness delays, anti-spider-trap guards with linear-time RE2/J pattern matching, and a strict enterprise SSRF Guard with DNS rebinding protection and Zero-Trust ACL mapping.
Developer Experience
November 4, 2026
8 min read
Discover OpenCrawling's cross-platform root developer CLI convenience wrappers—./run.sh (macOS/Linux) and run.bat (Windows CMD). Enjoy 3-second container rebuilds with BuildKit cache mounts, containerized Java 25 Maven builds with host ~/.m2 repository mapping (oc-maven-builder), single-command Docker Compose stack orchestration, pre-flight environment checks, and full command parity across operating systems.
Connector Release
November 2, 2026
9 min read
Discover OpenCrawling's native Alfresco Content Services Output Connector (oc-alfresco-output-connector). Built for high-throughput Migration Mode data liberation, bit-for-bit binary streaming directly from the Claim Check Store via native REST API v1, automatic hierarchical cm:folder parent path preservation, Zero-Trust ACL synchronization with Java 25 StructuredTaskScope pre-flight authority auditing, automatic missing authority Gap Ledger reporting, OIS lifecycle tombstones into the Alfresco Trashcan, and lightweight noindex container operation.
Connector Release
October 31, 2026
10 min read
Discover OpenCrawling's native OpenText Documentum Repository Connector (oc-documentum-repository-connector). Built on Documentum REST Services and DQL with keyset cursor pagination, Java 25 Virtual Threads, single and repeating custom type attributes, primary content streams or preferred renditions (e.g. PDF), fail-closed Zero-Trust permission mapping (DocumentumSecurityMapper) with deny precedence and required-group exclusion, ACL version stamp (i_vstamp) tracking, moved folder detection, and comprehensive verification against the OpenAPI-conforming DCTM REST mock.
Connector Release
October 27, 2026
9 min read
Discover OpenCrawling's native Microsoft SharePoint Online Repository Connector (oc-sharepoint-repository-connector). Built on Microsoft Graph v1.0 with Entra ID app-only client_credentials (Sites.Selected / Sites.Read.All), incremental @odata.deltaLink and permission-fingerprint tree crawl modes, custom list item columns (sharepoint_field_*), a shared Retry-After throttle gate across Java 25 Virtual Threads, fail-closed Zero-Trust ACL mapping (SharePointSecurityMapper), and a 6-tier verification suite with a 16-user RBAC oracle.
Connector Release
October 27, 2026
9 min read
Discover OpenCrawling's native M-Files Repository Connector (oc-mfiles-repository-connector). Built on the M-Files Web Service (MFWS) REST API and Vault Application Framework (VAF) change feed, featuring recursive last-modified time-window splitting beyond MFWS limits, Single-File and Multi-File Document (MFD) lineage, typed MFDataType property normalization, fail-closed Zero-Trust ACL component intersection, Java 25 Virtual Threads, and incremental tombstone synchronization.
Connector & Vector Bridge
October 26, 2026
9 min read
Discover OpenCrawling's bidirectional Hyland OpenArch integration (oc-openarch-repository-connector & oc-openarch-output-connector). Featuring high-throughput paged HXQL source harvesting on Java 25 Virtual Threads, a native SNAPPY Apache Parquet Vector Bridge strictly conforming to OpenArch's embedding.avsc specification, lossless Zero-Trust sys_acl permission mapping, and dedicated Model Context Protocol (MCP) tools (openarch_search & openarch_fetch_document).
Core Engine & Security
October 21, 2026
8 min read
Discover OpenCrawling's Universal Secure Model Context Protocol (MCP) Server. Built on Spring AI 2.0, the pluggable McpVectorSearchBackend SPI supporting all 8 target vector engines (PostgreSQL/pgvector, Vespa, Qdrant, Milvus, OpenSearch 2.x/3.x, Apache Solr, and Luxir), server-side Zero-Trust evaluation with explicit deny precedence (McpAclEvaluator), Streamable HTTP transport, and an automated 16-step decoupled integration test suite.
Connector Release
October 19, 2026
9 min read
Discover OpenCrawling's native gRPC Push Repository Connector (oc-grpc-push-connector). Built on HTTP/2, Protocol Buffers v3, and Java 25 Virtual Threads, delivering Unary, Client-Streaming, and Bi-Directional Streaming ingestion, automatic Claim-Check offloading to Apache Ozone & S3, Zero-Trust ACL mapping, Mutual TLS (mTLS), W3C OpenTelemetry trace propagation, and Lakehouse Parquet audit ledgers.
OpenAPI & Dev Tooling
October 18, 2026
7 min read
Discover OpenCrawling's platform-wide OpenAPI 3.1 adoption and embedded Swagger UI Explorer. Delivers living documentation across 10 functional domains, end-to-end type safety for oc-admin-ui (React 19 / TypeScript), synchronized client SDKs, autonomous AI Agent tool calling via the Model Context Protocol (MCP), and automated CI/CD contract validation on Java 25 and Spring Boot 4.
Team & Advisory
October 18, 2026
5 min read
Distinguished software architect, co-founder of SoftInstigate, and co-creator of RESTHeart Maurizio Turatti (@mkjsix) joins OpenCrawling as Strategy & Enterprise Architecture Advisor. Read about his 25+ years in distributed systems, enterprise integration, and his guidance on system scalability and the Open Ingestion Standard (OIS).
Lakehouse & Analytics
October 17, 2026
9 min read
Discover OpenCrawling's enterprise-grade Lakehouse Columnar Audit Reporting and Document Ledger. Delivers zero runtime overhead via an in-memory lock-free ledger accumulator, automated Apache Parquet with Zstandard (ZSTD) compression, RFC 4180 CSV compliance manifests, Hive partitioning, an embedded DuckDB vectorized OLAP analytical engine, an interactive Admin UI Query Playground, and terminal-first CLI/Java SDK auditing.
Connector Release
October 17, 2026
8 min read
Discover OpenCrawling's native Doxis 4 integration (oc-doxis-repository-connector & oc-doxis-client). Built on SER Group's Content Service Bus (CSB) REST API, Java 25 Virtual Threads, CQL paged search, recursive electronic dossier (Akten) traversal, custom typed descriptor normalization, and Zero-Trust multi-tenant isolation (ACME/*) with incremental tombstone synchronization.
Team
October 7, 2026
4 min read
Apache Storm and StormCrawler open-source contributor Davide Polato (@dpol1) joins OpenCrawling. Read about his background, his work on distributed crawler test suite determinism, and our roadmap for stream-based web ingestion.
Enterprise Migration
October 6, 2026
8 min read
Discover OpenCrawling's dedicated Migration Mode and native Apache Ozone Output Connector (oc-ozone-output-connector). Built for high-throughput enterprise content migration, bit-for-bit binary streaming, Zero-Trust OIS metadata sidecars (.ois.json), dual Ozone Native RPC and S3 Gateway transports, and parallel decoupled Kafka orchestration without RAG text-extraction or embedding overhead.
Connector Release
October 5, 2026
8 min read
Discover OpenCrawling's native JDBC Repository Connector (oc-jdbc-repository-connector). Built on standard JDBC 4.2+, Java 25 Virtual Threads (StructuredTaskScope), HikariCP, and Schema Introspection, delivering dual-path ingestion: Tabular RAG with auto-narrativization via Spring AI Copilot, and high-throughput binary BLOB/CLOB streaming with magic byte detection across PostgreSQL, MySQL, Oracle, SQL Server, and SQLite.
Core Engine & Security
October 3, 2026
7 min read
Discover OpenCrawling's upgrade to Apache Tika 4.1.0 and PipesForkParser. Learn how process-isolated child JVMs, watchdog timeout enforcement, memory limits, and Zip Slip defenses eliminate parser crashes and protect high-throughput enterprise ingestion pipelines.
Connector Release
October 1, 2026
7 min read
Discover OpenCrawling's native OASIS CMIS integration (oc-cmis-repository-connector). Built on the OASIS CMIS 1.1 Browser Binding, native Java 25 HttpClient, Virtual Threads, CMIS-SQL query support, secondary types/aspects, and Zero-Trust ACL mapping across Alfresco, Documentum, FileNet, and Nuxeo repositories.
Workflow Ingestion
October 1, 2026
7 min read
Discover OpenCrawling's native Alfresco Process Services integration (oc-aps-repository-connector). Built on APS 26.2.0, Java 25 Virtual Threads, dynamic BPMN variable extraction, task candidate group ACLs, and automated workflow attachment ingestion with Model Context Protocol (MCP) server support.
Distributed Fan-Out
September 28, 2026
6 min read
Discover OpenCrawling's native Apache SeaTunnel integration (oc-seatunnel-output-connector). Built on Apache SeaTunnel 2.3.13, automated HOCON DAG synthesis, and Zeta Engine REST API v2 orchestration, delivering parallel streaming fan-out of Open Ingestion Standard (OIS) chunks, vectors, and Zero-Trust ACLs across 100+ destination sinks.
Connector Release
September 28, 2026
6 min read
Discover OpenCrawling's native Apache StormCrawler integration (oc-stormcrawler-repository-connector and oc-stormcrawler-bolt). Built on Apache Storm 3.1.0, StormCrawler 3.7.0, and Java 25 Virtual Threads, delivering dual-stream OIS UPSERT and DELETE tombstone dispatching, cryptographic content deduplication, and Nimbus REST cluster supervision.
Vector Store
September 22, 2026
6 min read
Discover OpenCrawling's native Luxir Output Connector (oc-luxir-output-connector). Built with native Java 25 HttpClient, dynamic schema conventions, 1024-dimension dense vector kNN search, Zero-Trust ACL token indexing, and decoupled Kafka writer consumer execution for enterprise RAG.
Migration
September 21, 2026
7 min read
Discover OpenCrawling's dedicated migration engine and visual Admin UI wizard (oc-mcf-migrator). Audit, convert to Open Ingestion Standard (OIS) declarative manifests, and import legacy Apache ManifoldCF crawler configurations into OpenCrawling with full fidelity.
Standard Spec
September 3, 2026
5 min read
Discover how the Open Ingestion Standard (OIS) introduces standardized document lifecycle operations and deletion tombstones (action: DELETE) to ensure downstream vector stores and search engines purge deleted content automatically.
Vector Store
September 3, 2026
6 min read
Discover OpenCrawling's native Apache Solr Output Connector (oc-solr-output-connector). Built with SolrJ 10 native JDK HTTP Client, solr.DenseVectorField, HNSW quantization, efSearch tuning, and REST schema auto-provisioning.
Transport
August 12, 2026
6 min read
Discover OpenCrawling's new gRPC Internal Transport Layer (oc-grpc-api). Featuring HTTP/2 multiplexing, Protobuf binary payload compression up to 50%, AUTO fallback to HTTP/REST, TLS/mTLS encryption, Admin UI hot-reload, and live diagnostic ping probes.
Vector Store
August 7, 2026
6 min read
Discover OpenCrawling's native Vespa Output Connector (oc-vespa-output-connector). Built with Yahoo's HTTP/2 vespa-feed-client, dynamic multi-dimension vector routing (384/768/1024), ACL pre-filtering, Admin UI Model Insights, and Vespa-native Secure MCP tools.
Vector Store
July 29, 2026
5 min read
Discover OpenCrawling's native Qdrant Output Connector (oc-qdrant-output-connector). Built with Qdrant's high-performance gRPC Java SDK, scalar quantization, and automatic payload ACL indexing for secure, low-latency enterprise RAG.
SDK / Java 25
July 28, 2026
5 min read
Discover the official oc-java-client-sdk. Strongly typed Java 25 & Spring Boot 4 client library for programmatically managing document ingestion jobs, connectors, Auto-Narrativization Copilot templates, and AIOps diagnostics.
Maven / Archetypes
July 26, 2026
4 min read
Learn how OpenCrawling's official Maven Archetypes suite allows developers to instantly scaffold ready-to-build Repository, Output, and Transformation Connectors with Docker Compose overlays and Admin UI integration.
Workflow / BPMN
July 24, 2026
6 min read
OpenCrawling now natively supports the top open-source BPMN workflow engines: Flowable and Camunda. Discover how oc-flowable-repository-connector and oc-camunda-repository-connector stream process definitions, historic execution variables, and candidate group ACLs into AI pipelines.
AI / Metadata
July 23, 2026
6 min read
Learn how OpenCrawling's Auto-Narrativization Copilot translates structured database schemas and table records into rich natural language Mustache templates and mock datasets using Spring AI, Ollama (llama3.2), and deterministic offline fallbacks.
Storage
July 21, 2026
6 min read
OpenCrawling now offers full, native support for Apache Ozone (v2.2.0+) as a distributed Claim Check store provider. Learn how combining the Claim Check Pattern with Ozone's S3 Gateway eliminates Kafka payload bottlenecks and scales RAG binary ingestion to petabyte scale.
Connector
July 16, 2026
5 min read
OpenCrawling now supports Apache Iceberg data lakes as a first-class ingestion source. The new oc-iceberg-repository-connector module scans Iceberg table catalogs (REST, Hive, Hadoop, AWS Glue) and streams structured records directly into the RAG pipeline.
Connector
July 16, 2026
6 min read
The new oc-alfresco-repository-connector bridges Alfresco Content Services to your AI pipeline via the Alfresco REST API v1. Discover how Java 25 Structured Task Scope enables parallel folder traversal, and how the Claim Check Pattern decouples remote content downloads from the Kafka publish step.
Team
July 16, 2026
3 min read
Enterprise Content Management (ECM) integration specialist Luis Cabaceira joins the OpenCrawling core team. Read about his work on repository connectors, CMIS mappings, and secure enterprise document ingestion.
Team
July 14, 2026
4 min read
Enterprise search architect and big data veteran Michael Cizmar joins the OpenCrawling core team. Read about his background and his plans to drive event-driven ingestion parallelization and multi-tenant vector writer integrations.
Architecture
July 12, 2026
7 min read
Discover how the new oc-embedding-service microservice separates embedding generation into a dedicated, horizontally scalable unit. Learn how Kafka consumer group partitioning, the EmbeddingModelFactory, and Docker Compose scaling unlock GPU-level throughput without changing the rest of your pipeline.
Technology
July 10, 2026
6 min read
Learn how OpenCrawling leverages the Model Context Protocol (MCP) and Spring AI to expose secure, enterprise-grade, ACL-filtered knowledge retrieval tools directly to LLM agents.
Announcement
July 9, 2026
5 min read
Enterprise data pipelines suffer from proprietary lock-in and security leaks. Today we are launching OIS—a Zero-Trust, vendor-neutral specification—and its Java 25 reference engine, OpenCrawling. Learn how we preserve ACL security.
Roadmap
July 9, 2026
4 min read
A security mapping framework is only as powerful as the repositories it can reach. Share your feedback in our GitHub Roadmap discussions and vote on SharePoint, S3, Qdrant, and Confluence.
Specification
July 9, 2026
4 min read
Explore the official roadmap for the Open Ingestion Standard (OIS). Learn about our phases for schema stabilization, CLI validation tools, multi-language SDKs, and open governance.