#1
Privacy-respecting metasearch engine
14K starsMay 14, 2026 pushrag-knowledgePythonSearch
$ npx skills add searx/searxAlternatives
Pisa alternatives for AI agents.
Compare similar skills by workflow fit, trust score, quality, GitHub adoption, maintenance, and install readiness.
Current skill
Pisa
PISA: Performant Indexes and Search for Academia
96
Quality
87
Trust
1.1K
Stars
#2
🔎 Open source distributed and RESTful search engine.
13K starsJun 16, 2026 pushrag-knowledgeJavaSearch
$ npx skills add opensearch-project/OpenSearch#3
Free and Open Source, Distributed, RESTful Search Engine
77K starsJun 16, 2026 pushrag-knowledgeJavaSearch
$ npx skills add elastic/elasticsearch#4
🦔 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#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
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#7
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#8
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#9
Retrieval and Retrieval-augmented LLMs
12K starsApr 22, 2026 pushrag-knowledgePythonEmbeddings
$ npx skills add FlagOpen/FlagEmbedding#10
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#11
Next-generation full-text search library for Browser and Node.js
14K starsMay 29, 2026 pushrag-knowledgeJavaScriptSearch
$ npx skills add nextapps-de/flexsearch#12
A self-hosted, ad-free, privacy-respecting metasearch engine
12K starsMay 19, 2026 pushrag-knowledgePythonSearch
$ npx skills add benbusby/whoogle-search#13
📑 PageIndex: Document Index for Vectorless, Reasoning-based RAG
34K starsJul 18, 2026 pushrag-knowledgePythonVector Search
$ npx skills add VectifyAI/PageIndex#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
high-performance graph database for real-time use cases
22K starsJun 19, 2026 pushrag-knowledgeGoKnowledge Graph
$ npx skills add dgraph-io/dgraph#16
💡 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/txtaiHow 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 Pisa 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.