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Free and Open Source, Distributed, RESTful Search Engine
77K starsJun 16, 2026 pushrag-knowledgeJavaSearch
$ npx skills add elastic/elasticsearchAlternatives
Compare similar skills by workflow fit, trust score, quality, GitHub adoption, maintenance, and install readiness.
Current skill
This RAG (Retrieval-Augmented Generation) project is implemented using pure Java. This approach makes it easier to adapt to enterprise-level environments and is more conducive to secondary development.
Free and Open Source, Distributed, RESTful Search Engine
$ npx skills add elastic/elasticsearch🔎 Open source distributed and RESTful search engine.
$ npx skills add opensearch-project/OpenSearchApache Lucene open-source search software
$ npx skills add apache/lucene[EMNLP2025] "LightRAG: Simple and Fast Retrieval-Augmented Generation"
$ npx skills add HKUDS/LightRAGApache Solr open-source search software
$ npx skills add apache/solrStop renting your intelligence. Own it with AnythingLLM. Everything you need for a powerful local-first agent experience
$ npx skills add Mintplex-Labs/anything-llm📑 PageIndex: Document Index for Vectorless, Reasoning-based RAG
$ npx skills add VectifyAI/PageIndexhigh-performance graph database for real-time use cases
$ npx skills add dgraph-io/dgraphMemory layer for AI Agents. Replace complex RAG pipelines with a serverless, single-file memory layer. Give your agents instant retrieval and long-term memory.
$ npx skills add memvid/memvidTantivy is a full-text search engine library inspired by Apache Lucene and written in Rust
$ npx skills add quickwit-oss/tantivySeaTunnel is a multimodal, high-performance, distributed, massive data integration tool.
$ npx skills add apache/seatunnelA Simple and Universal Swarm Intelligence Engine, Predicting Anything. 简洁通用的群体智能引擎，预测万物
$ npx skills add 666ghj/MiroFishSearXNG is a free internet metasearch engine which aggregates results from various search services and databases. Users are neither tracked nor profiled.
$ npx skills add searxng/searxngQdrant - High-performance, massive-scale Vector Database and Vector Search Engine for the next generation of AI. Also available in the cloud https://cloud.qdrant.io/
$ npx skills add qdrant/qdrantCognee is the open-source AI memory platform for agents. Give your AI agents persistent long-term memory across sessions with a self-hosted knowledge graph engine.
$ npx skills add topoteretes/cognee21 Lessons, Get Started Building with Generative AI
$ npx skills add microsoft/generative-ai-for-beginnersHow to choose
Use an alternative when it has a clearer install path, higher trust score, fresher maintenance, or better platform fit for your current agent stack. Keep Java RAG if it already passes your workflow test and repository review.
Next step
Open the compare page, test the install commands in a sandbox, and check each repository before using a skill in production.