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Topics: search-engine

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4 repositories by Attention Score · Oct 27, 2026 – Nov 2, 2026 (UTC)

Language: Java
Topic: search-engine
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1elastic / elasticsearch

Free and Open Source, Distributed, RESTful Search Engine

elasticsearch
java
search-engine

Java Other license78K total26K forks

+74 stars

from 78,380 · score 4.32

2opensearch-project / OpenSearch

🔎 Open source distributed and RESTful search engine.

search
search-engine
analytics
java
foss
apache2

Java APACHE-2.014K total3.1K forks

+41 stars

from 13,905 · score 3.74

3yacy / yacy_search_server

Distributed Peer-to-Peer Web Search Engine and Intranet Search Appliance

decentralized
p2p
p2p-network
privacy
privacy-protection
search-engine
+7 more

Java Other license4.1K total504 forks

+12 stars

from 4,079 · score 2.56

4apache / solr

Apache Solr open-source search software

lucene
solr
search
nosql
java
backend
+2 more

Java APACHE-2.01.7K total872 forks

+2 stars

from 1,691 · score 1.10

Order: Attention Score

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Ranked by stars gained in the window. The score is the natural log of one plus that gain, so a repository's rank is exactly its star gain's rank.

score = log1p(net stars gained in the trailing T complete UTC days)

A repository is ranked only when its Star History covers every day of the window and its latest Observation is not missing.

The longest window is 180 days. Star History from the Repository Host goes back at most 180 days before a repository's first Observation. A longer window needs more days of Observations first. A repository younger than the window is not ranked in it.

The filters narrow the same eligible repositories. A repository matches the topics when it has any of them. Total stars is the count now. Last push and creation on the Repository Host count back from the start of today (UTC). The counts beside the languages, licenses, and topics include all ranked repositories in the window.

Repositories enter the index from the Seed Dataset or by gaining stars faster than the published admission threshold, whatever their size. Admission is permanent, so an archived repository can still rank.

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