Java · Apache-2.0
codelibs/fess
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.
★ 1.1k
Stars
177 forks · 16 open issues
+1.0/wk
Growth · measured
Stars counted between two of our own snapshots roughly a week apart. The repository page gives the exact span.
28.5
Momentum / 100
see the breakdown below
13y ago
Created
last push 2d ago
Star history
How this score was built
| Component | Weight | Earned | Why |
|---|---|---|---|
| Velocity | 55 | 1.1 | +1.0/wk, log-scaled against a 750/day ceiling |
| Acceleration | 15 | 3.6 | last week ran 1.24× the monthly pace |
| Freshness | 15 | 15.0 | last push 2d ago; decays to zero at 180 days |
| Scale | 15 | 8.9 | 1.1k stars, log-scaled against 150k — stops a 3-star repo topping the board |
| Momentum | 100 | 28.5 | sum of the above |
Detail
| Topics | ai-searchcrawlerdockerelasticsearchelasticsearch-alternativeenterprise-searchfull-text-searchjavallmlucenemcpopensearchragrest-apisearchsearch-engineself-hostedsemantic-searchsite-search |
| Matched on | RAG (semantic-search) |
| Short window | +1 stars over 7 days = 0.1/day |
| Long window | +3 stars over 26 days = 0.1/day |
| Lifetime average | 0.24 stars/day over 4,801 days |
| First seen here | 2026-10-11 |
| Last read | 2d ago |