NaviServer

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{{Notability|Products|date=February 2011}}

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{{Infobox software

| name = NaviServer

| title = NaviServer

| logo = Naviserver Logo-01.svg

| screenshot =

| caption =

| collapsible =

| author = NaviSoft

| developer = Bernd Eidenschink, Ibrahim, Stephen Deasey, Gustaf Neumann, Vlad Seryakov, Zoran Vasiljevic

| released =

| discontinued =

| latest release version = {{wikidata|property|reference|P348}}

| latest release date = {{start date and age|{{wikidata|qualifier|P348|P577}}}}

| latest preview version =

| latest preview date =

| programming language = C, Tcl

| operating_system = Cross-platform

| platform =

| size =

| language =

| genre = Web server

| license = Mozilla Public License

| website = [https://github.com/naviserver-project/naviserver GitHub Repository]

[https://sourceforge.net/projects/naviserver/ SourceForge]

}}

NaviServer[https://sourceforge.net/projects/naviserver/ NaviServer Project][https://github.com/naviserver-project/naviserver Official NaviServer NaviServer Source Code Repository] is a high performance web server written in C and Tcl. It can be easily extended in either language to create web sites and services; there are over 35 modules available (including database integration or protocol support for UDP, SMTP, LDAP, DNS, COAP, etc.)

The project is under active development,

NaviServer is mostly written in C with a very well-commented source code, had more than 6,000 commits made by 35 contributors

representing more than 100,000 lines of code.[https://www.openhub.net/p/naviserver "NaviServer statistics from Open Hub"] NaviServer is licensed under the terms of the Mozilla Public License (MPL).

Recent new features include:

• an internal watchdog for automatic server restarts
• server internals exposed in a command line mode
• thread shared arrays (atomic operations, dict support)
• built-in caching with cache transaction semantics (cache commit/rollback)
• hot code swapping (update code in the running system without server restart)
• asynchronous spooling of requests and replies
• delivery of static files optionally with gzip or brotli compression with automatic re-compression on updates
• selective logging with color highlighting (non-blocking)
• efficient built-in crypto support
• mass virtual hosting
• byte-range requests for streaming and resumption of downloads
• rich HTTPS support (server and client-side SNI, OCSP Stapling)
• built-in HTTP/HTTPS client support, with log-files
• built-in statistics (for mutex locks/rwlocks, cache, db-handles, ...)
• bandwidth management via multiple connection thread pools
• WebSocket and IPv6 support