#1
🔎 Open source distributed and RESTful search engine.
13K starsJun 16, 2026 pushrag-knowledgeJavaSearch
$ npx skills add opensearch-project/OpenSearchAlternatives
Solr alternatives for AI agents.
Compare similar skills by workflow fit, trust score, quality, GitHub adoption, maintenance, and install readiness.
Current skill
Solr
Apache Solr open-source search software
100
Quality
88
Trust
1.6K
Stars
#2
🦔 Fast, lightweight & schema-less search backend. An alternative to Elasticsearch that runs on a few MBs of RAM.
21K starsJun 12, 2026 pushrag-knowledgeRustSearch
$ npx skills add valeriansaliou/sonic#3
Free and Open Source, Distributed, RESTful Search Engine
77K starsJun 16, 2026 pushrag-knowledgeJavaSearch
$ npx skills add elastic/elasticsearch#4
SearXNG is a free internet metasearch engine which aggregates results from various search services and databases. Users are neither tracked nor profiled.
32K starsJun 16, 2026 pushrag-knowledgePythonSearch
$ npx skills add searxng/searxng#5
Tantivy is a full-text search engine library inspired by Apache Lucene and written in Rust
15K starsJun 16, 2026 pushrag-knowledgeRustSearch
$ npx skills add quickwit-oss/tantivy#6
Cloud-native search engine for observability. An open-source alternative to Datadog, Elasticsearch, Loki, and Tempo.
11K starsJun 16, 2026 pushrag-knowledgeRustSearch
$ npx skills add quickwit-oss/quickwit#7
Next-generation full-text search library for Browser and Node.js
14K starsMay 29, 2026 pushrag-knowledgeJavaScriptSearch
$ npx skills add nextapps-de/flexsearch#8
Easy to use open source fast database for search | Good alternative to Elasticsearch | Drop-in replacement for E in the ELK stack
12K starsJun 16, 2026 pushrag-knowledgeC++Search
$ npx skills add manticoresoftware/manticoresearch#9
📑 PageIndex: Document Index for Vectorless, Reasoning-based RAG
34K starsJul 18, 2026 pushrag-knowledgePythonVector Search
$ npx skills add VectifyAI/PageIndex#10
Weaviate is an open-source vector database that stores both objects and vectors, allowing for the combination of vector search with structured filtering with the fault tolerance and scalability of a cloud-native database.
17K starsJul 24, 2026 pushrag-knowledgeGoSemantic Search
$ npx skills add weaviate/weaviate#11
💡 All-in-one AI framework for semantic search, LLM orchestration and language model workflows
13K starsJun 22, 2026 pushrag-knowledgePythonSemantic Search
$ npx skills add neuml/txtai#12
Developer-friendly OSS embedded retrieval library for multimodal AI. Search More; Manage Less.
11K starsJun 15, 2026 pushrag-knowledgeHTMLSemantic Search
$ npx skills add lancedb/lancedb#13
🌌 A complete search engine and RAG pipeline in your browser, server or edge network with support for full-text, vector, and hybrid search in less than 2kb.
10K starsJun 30, 2026 pushrag-knowledgeTypeScriptVector Search
$ npx skills add oramasearch/orama#14
SeaTunnel is a multimodal, high-performance, distributed, massive data integration tool.
9.4K starsJun 16, 2026 pushrag-knowledgeJavaEmbeddings
$ npx skills add apache/seatunnel#15
A Simple and Universal Swarm Intelligence Engine, Predicting Anything. 简洁通用的群体智能引擎，预测万物
70K starsAug 3, 2026 pushrag-knowledgePythonKnowledge Graph
$ npx skills add 666ghj/MiroFish#16
Cognee 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.
30K starsAug 14, 2026 pushrag-knowledgePythonVector Search
$ npx skills add topoteretes/cogneeHow to choose
When should you switch?
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 Solr if it already passes your workflow test and repository review.
Next step
Compare top candidates side by side
Open the compare page, test the install commands in a sandbox, and check each repository before using a skill in production.