#1
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/searxngAlternatives
Similarities alternatives for AI agents.
Compare similar skills by workflow fit, trust score, quality, GitHub adoption, maintenance, and install readiness.
Current skill
Similarities
Similarities: a toolkit for similarity calculation and semantic search. 相似度计算、匹配搜索工具包，支持亿级数据文搜文、文搜图、图搜图，python3开发，开箱即用。
77
Quality
81
Trust
901
Stars
#2
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#3
Privacy-respecting metasearch engine
14K starsMay 14, 2026 pushrag-knowledgePythonSearch
$ npx skills add searx/searx#4
A self-hosted, ad-free, privacy-respecting metasearch engine
12K starsMay 19, 2026 pushrag-knowledgePythonSearch
$ npx skills add benbusby/whoogle-search#5
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#6
Free and Open Source, Distributed, RESTful Search Engine
77K starsJun 16, 2026 pushrag-knowledgeJavaSearch
$ npx skills add elastic/elasticsearch#7
🦔 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#8
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#9
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#10
🔎 Open source distributed and RESTful search engine.
13K starsJun 16, 2026 pushrag-knowledgeJavaSearch
$ npx skills add opensearch-project/OpenSearch#11
Scira (Formerly MiniPerplx) is a minimalistic AI-powered search engine that helps you find information on the internet and cites it too. Powered by Vercel AI SDK!
12K starsMar 20, 2026 pushrag-knowledgeTypeScriptSearch
$ npx skills add zaidmukaddam/scira#12
Next-generation full-text search library for Browser and Node.js
14K starsMay 29, 2026 pushrag-knowledgeJavaScriptSearch
$ npx skills add nextapps-de/flexsearch#13
Qdrant - 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/
33K starsJul 18, 2026 pushrag-knowledgeRustVector Search
$ npx skills add qdrant/qdrant#14
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#15
Memory layer for AI Agents. Replace complex RAG pipelines with a serverless, single-file memory layer. Give your agents instant retrieval and long-term memory.
16K starsMay 27, 2026 pushrag-knowledgeRustSemantic Search
$ npx skills add memvid/memvid#16
A Simple and Universal Swarm Intelligence Engine, Predicting Anything. 简洁通用的群体智能引擎，预测万物
67K starsMay 24, 2026 pushrag-knowledgePythonKnowledge Graph
$ npx skills add 666ghj/MiroFishHow 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 Similarities 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.