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Repositories in this selection 19 · UTC 2026-11-05
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1—Mmeilisearch / meilisearchA search engine exposing search APIs for applications.RustNOASSERTION · Restricted / unknownInsufficient rank history59,7582,786——2026-11-02
2—Ttypesense / typesenseOpen Source alternative to Algolia + Pinecone and an Easier-to-Use alternative to ElasticSearch ⚡ 🔍 ✨ Fast, typo tolerant, in-memory fuzzy Search Engine for building delightful search experiencesC++GPL-3.0 · Share derivative sourceInsufficient rank history27,0761,024——2026-10-30
3—Xxerj-org / xerjAI search engine and MCP server for bots and agents. One Rust binary indexes code, docs, logs, JSONL/CSV and PDFs for BM25 full-text, vector and hybrid search, code search without grep, agent memory and RAG. Elasticsearch-compatible API; Corpus Hub serves hundreds of reference memory corpora.RustApache-2.0 · PermissiveInsufficient rank history18,8071,434——2026-11-02
4—Nnextapps-de / flexsearchNext-generation full-text search library for Browser and Node.jsJavaScriptApache-2.0 · PermissiveInsufficient rank history13,816528——2026-06-28
5—Mmanticoresoftware / manticoresearchOpen-source search database for full-text, vector, and hybrid search with real-time indexing and SQL.C++GPL-3.0 · Share derivative sourceInsufficient rank history12,074655——2026-11-02
6—Pparadedb / paradedbOne Postgres for your application data, full-text search, vector retrieval, and aggregations. Home of the pg_search extension.RustAGPL-3.0 · Share derivative sourceInsufficient rank history9,473496——2026-11-02
7—Oolivernn / lunr.jsA bit like Solr, but much smaller and not as brightJavaScriptMIT · PermissiveInsufficient rank history9,202555——2024-07-31
8—Iinfiniflow / infinityThe AI-native database built for LLM applications, providing incredibly fast hybrid search of dense vector, sparse vector, tensor (multi-vector), and full-text.C++Apache-2.0 · PermissiveInsufficient rank history4,755458——2026-11-02
9—WWorldBrain / MemexBrowser extension to curate, annotate, and discuss the most valuable content and ideas on the web. As individuals, teams and communities.TypeScriptUnknown · Restricted / unknownInsufficient rank history4,722353——2025-12-02
10—Uunum-cloud / USearchFast Open-Source Search & Clustering engine × for Vectors & Arbitrary Objects × in C++, C, Python, JavaScript, Rust, Java, Objective-C, Swift, C#, GoLang, and Wolfram 🔍C++Apache-2.0 · PermissiveInsufficient rank history4,368370——2026-10-31
11—Zzvec-ai / zvec-grepLocal-first search across your workspace, built for humans and AI agents.RustApache-2.0 · PermissiveInsufficient rank history4,219257——2026-11-03
12—Ttimescale / pg_textsearchPostgreSQL extension for BM25 relevance-ranked full-text search. Postgres OSS licensed.CPostgreSQL · PermissiveInsufficient rank history4,057131——2026-11-03
13—Rravendb / ravendbACID Document DatabaseC#NOASSERTION · Restricted / unknownInsufficient rank history4,014865——2026-11-03
14—Ooceanbase / seekdbAuthor description: The AI-Native Search Database. Best for agent storage, it unifies vector, text, structured, and semi-structured data into a single engine. This all-in-one database makes agents smarter, easier to run, and more stable.C++Apache-2.0 · PermissiveInsufficient rank history3,2221,205——2026-11-02
15—SSeekStorm / SeekStormSeekStorm: vector & lexical search - in-process library & multi-tenancy server, in Rust.RustApache-2.0 · PermissiveInsufficient rank history1,93374——2026-10-31
16—Ccodelibs / fessOpen-source, self-hosted enterprise & site search server built on OpenSearch. Crawls web / file / DB / cloud sources, 20+ languages, REST API, and AI/RAG & semantic search. Apache-2.0.JavaApache-2.0 · PermissiveInsufficient rank history1,142177——2026-11-03
17—Kkividbio / kividbA fast, multi-threaded Redis® and Valkey alternative written in Rust: drop-in compatible, with full-text and vector search built inRustAGPL-3.0 · Share derivative sourceInsufficient rank history1,04841——2026-11-02
18—PPrithivirajDamodaran / FlashRankLite & Super-fast re-ranking for your search & retrieval pipelines. Supports SoTA Listwise and Pairwise reranking based on LLMs and cross-encoders and more. Created by Prithivi Da, open for PRs & Collaborations.PythonApache-2.0 · PermissiveInsufficient rank history1,01274——2026-07-11
19—Ssimpledms / simpledmsDocument management for small businesses.GoAGPL-3.0 · Share derivative sourceInsufficient rank history1704——2026-11-02
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