17 language options
Special analysis for each language
Numerous filters: n-gram, lemmatization, shingle, elisions, stripping diacritic, Etc.
Automatic language detection
Named entity recognition
Synonyms (word and multi-terms)
Automatic classifications

The web crawler includes inclusion or exclusion filters with wildcards, HTTP authentication, screenshot, sitemap, Etc.
The REST Crawler indexes Web Services data
The file system crawler browses SMB/CIFS, FTP(S), SWIFT
The database crawler supports all databases (JDBC)

binary packages

Read, comment, contribute.

Source code, issues tracker, forums.

Full access to the developers who built OpenSearchServer.
Our team is dedicated to make your project successful.

Plans	COMMUNITY	PROFESSIONAL	TEAM	ENTREPRISE
Unlimited e-mail support
Response time on production issues ⁽¹⁾	-	1 business day	8 hours	4 hours
Response time on development issues ⁽²⁾	2 business days	1 business day	1 business day	1 business day
Number of contacts
Annual Pricing ⁽³⁾	95 €	295 €	995 €	1995 €

⁽¹⁾ Production support includes maintenance releases, bug fixes, patches, updates. Your team will access the best practice in building strong and robust environments for any production issue (installation, performances).
⁽²⁾Development support helps your developers integrate OpenSearchServer: code review, architecture, schema design, query construction.
⁽³⁾Annual payment, no commitment. Taxes may still be added. The tax rate depends on your country tax rules and entered tax identification number (e.g. VAT ID).