TOPIC

#search-engine

Open source repositories tagged with #search-engine, ranked by health score.

apache/solr

Java

health

Apache Solr open-source search software

XERJ is the new way for AI to search data. Its autoindex capability activates agents to know your data without the token waste of grep and sed. One command indexes code, docs, logs and PDFs for search, RAG, security audits and agent memory, using 40x fewer tokens than grep. Elasticsearch compatible, so existing clients just work.

Open-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.

SeekStorm: vector & lexical search - in-process library & multi-tenancy server, in Rust.

High-performance AI memory retrieval for local agent history — a Rust search core (SDK / API / JSON CLI) plus a desktop GUI. Tantivy + Jieba keyword search, optional semantic recall, stable Turn/Run/Session/Project IDs.

Developer-friendly OSS embedded retrieval library for multimodal AI. Search More; Manage Less.

One Postgres for your application data, full-text search, vector retrieval, and aggregations. Home of the pg_search extension.

★ 9.2k

asciimoo/hister

health

Your own search engine

Norconex Crawlers (or spiders) are flexible web and filesystem crawlers for collecting, parsing, and manipulating data from the web or filesystem to various data repositories such as search engines.

The AI search platform

ArcadeDB Multi-Model Database, one DBMS that supports SQL, Cypher, Gremlin, HTTP/JSON, MongoDB and Redis. ArcadeDB is a conceptual fork of OrientDB, the first Multi-Model DBMS. ArcadeDB supports Vector Embeddings.

★ 1.1k

opensearch-project/OpenSearch

Java

health

🔎 Open source distributed and RESTful search engine.

Apache Lucene open-source search software

★ 3.5k