diff --git a/NAMESPACE b/NAMESPACE
index 261f04b..3ebafd8 100644
--- a/NAMESPACE
+++ b/NAMESPACE
@@ -2,6 +2,7 @@
 
 export(apache_httpd_version_history)
 export(apple_ios_version_history)
+export(citrix_netscaler_version_history)
 export(complete_semver)
 export(etcd_version_history)
 export(exim_version_history)
@@ -19,6 +20,7 @@ export(php_version_history)
 export(sendmail_version_history)
 export(sqlite_version_history)
 export(tomcat_version_history)
+export(virtualbox_version_history)
 import(semver)
 importFrom(Rcpp,sourceCpp)
 importFrom(curl,curl)
diff --git a/NEWS.md b/NEWS.md
index b14fa9c..c3460d3 100644
--- a/NEWS.md
+++ b/NEWS.md
@@ -1,4 +1,5 @@
 0.4.2
+* Added `citrix_netscaler_version_history()`
 * Fixed a cpl functions that use scraping (sites changed HTML)
 * Added caching/refresh capability to mysql and etcd given how expensive they are to compute
 
diff --git a/R/citrix-netscaler.R b/R/citrix-netscaler.R
new file mode 100644
index 0000000..5d1a18a
--- /dev/null
+++ b/R/citrix-netscaler.R
@@ -0,0 +1,43 @@
+#' Citrix Netscaler ADC Version History
+#'
+#' Reads <https://support.citrix.com/article/CTX121840> to build a data frame of
+#' Citrix Netscaler ADC version release numbers and dates with semantic version
+#' strings parsed and separate fields added. The data frame is also arranged in
+#' order from lowest version to latest version and the `vers` column is an
+#' ordered factor.
+#'
+#' @md
+#' @export
+citrix_netscaler_version_history <- function() {
+
+  pg <- xml2::read_html("https://support.citrix.com/article/CTX121840")
+
+  v <- rvest::html_nodes(pg, xpath = ".//h3[contains(., 'NetScaler Software Release')]")
+
+  purrr::map_df(v, ~{
+    cols <- ifelse(grepl("11.1", html_text(.x)), 2, 1)
+    tibble::tibble(
+      bld = rvest::html_nodes(.x, xpath = sprintf(".//following-sibling::table[1]//td[%s]", cols)) %>% rvest::html_text(trim = TRUE),
+      rls_date = rvest::html_nodes(.x, xpath = sprintf(".//following-sibling::table[1]//td[%s]", cols+1)) %>% rvest::html_text(trim = TRUE)
+    ) %>%
+      mutate(bld = gsub("[[:space:]]*\\(.*$", "", bld)) %>%
+      mutate(mm = gsub("NetScaler Software Release ", "", html_text(.x)))
+  }) %>%
+    dplyr::select(mm, bld, rls_date) %>%
+    dplyr::filter(!grepl("^10", mm)) %>%
+    dplyr::filter(!grepl("Build", bld)) %>%
+    tidyr::separate_rows(bld, sep = "/") %>%
+    dplyr::mutate(bld = gsub("[[:space:]]*[[:alpha:]].*$", "", trimws(bld))) %>%
+    tidyr::separate(mm, c("maj", "min"), sep="\\.") %>%
+    tidyr::separate(bld, c("pat", "bld"), sep="\\.", fill = "right") %>%
+    dplyr::mutate(bld = ifelse(is.na(bld), "0", bld)) %>%
+    dplyr::mutate(vers = sprintf("%s.%s.%s.%s", maj, min, pat, bld)) %>%
+    dplyr::mutate(rls_date = lubridate::mdy(rls_date)) %>%
+    dplyr::mutate(rls_year = lubridate::year(rls_date)) %>%
+    dplyr::select(vers, rls_date, rls_year, maj, min, pat, bld) %>%
+    dplyr::distinct() %>%
+    dplyr::arrange(rls_date) %>%
+    dplyr::mutate(vers = forcats::fct_inorder(vers, ordered = TRUE))
+
+}
+
diff --git a/R/virtualbox.R b/R/virtualbox.R
new file mode 100644
index 0000000..f160f61
--- /dev/null
+++ b/R/virtualbox.R
@@ -0,0 +1,37 @@
+#' Retrieve Virtualbox Version Release History
+#'
+#' Reads <https://download.virtualbox.org/virtualbox/> to build a data frame of
+#' Virtualbox version release numbers and dates with semantic version
+#' strings parsed and separate fields added. The data frame is also arranged in
+#' order from lowest version to latest version and the `vers` column is an
+#' ordered factor.
+#'
+#' @md
+#' @export
+virtualbox_version_history <- function() {
+
+  pg <- xml2::read_html("https://download.virtualbox.org/virtualbox/")
+
+  rvest::html_node(pg, "pre") %>%
+    rvest::html_text() %>%
+    stri_split_lines() %>%
+    unlist() %>%
+    stri_trim_both() %>%
+    keep(stri_detect_regex, "^[[:digit:]]") %>%
+    discard(stri_detect_fixed, "_") %>%
+    stri_match_first_regex("^([^/]+)/[[:space:]]+([[:digit:]]{2}-[[:alpha:]]{3}-[[:digit:]]{4})") %>%
+    .[,2:3] %>%
+    as.data.frame(stringsAsFactors=FALSE) %>%
+    dplyr::as_tibble() %>%
+    dplyr::select(vers = V1, rls_date = V2) %>%
+    tidyr::separate(vers, into = c("major", "minor", "patch"), sep = "\\.", remove = FALSE) %>%
+    dplyr::mutate(
+      rls_date = lubridate::dmy(rls_date),
+      rls_year = lubridate::year(rls_date)
+    ) %>%
+    dplyr::select(vers, rls_date, rls_year, major, minor, patch) %>%
+    dplyr::arrange(as.integer(major), as.integer(minor), as.integer(patch)) %>%
+    dplyr::mutate(vers = factor(vers, levels = vers))
+
+}
+
diff --git a/README.Rmd b/README.Rmd
index 00e54de..4145cab 100644
--- a/README.Rmd
+++ b/README.Rmd
@@ -28,6 +28,7 @@ Core:
 
 - `apache_httpd_version_history`: Retrieve Apache httpd Version Release History
 - `apple_ios_version_history`:  Retrieve Apple iOS Version Release History
+- `citrix_netscaler_version_history`: Citrix Netscaler ADC Version History
 - `etcd_version_history`: Retrieve etcd Version Release History
 - `google_chrome_version_history`:  Retrieve Google Chrome Version Release History
 - `isc_bind_version_history` : Retrieve ISC BIND Version Release History
diff --git a/README.md b/README.md
index 1dd12a5..cf01534 100644
--- a/README.md
+++ b/README.md
@@ -18,6 +18,7 @@ Core:
     Release History
   - `apple_ios_version_history`: Retrieve Apple iOS Version Release
     History
+  - `citrix_netscaler_version_history`: Citrix Netscaler ADC Version History
   - `etcd_version_history`: Retrieve etcd Version Release History
   - `google_chrome_version_history`: Retrieve Google Chrome Version
     Release History
diff --git a/man/citrix_netscaler_version_history.Rd b/man/citrix_netscaler_version_history.Rd
new file mode 100644
index 0000000..886b028
--- /dev/null
+++ b/man/citrix_netscaler_version_history.Rd
@@ -0,0 +1,15 @@
+% Generated by roxygen2: do not edit by hand
+% Please edit documentation in R/citrix-netscaler.R
+\name{citrix_netscaler_version_history}
+\alias{citrix_netscaler_version_history}
+\title{Citrix Netscaler ADC Version History}
+\usage{
+citrix_netscaler_version_history()
+}
+\description{
+Reads \url{https://support.citrix.com/article/CTX121840} to build a data frame of
+Citrix Netscaler ADC version release numbers and dates with semantic version
+strings parsed and separate fields added. The data frame is also arranged in
+order from lowest version to latest version and the \code{vers} column is an
+ordered factor.
+}
diff --git a/man/virtualbox_version_history.Rd b/man/virtualbox_version_history.Rd
new file mode 100644
index 0000000..f5b2f69
--- /dev/null
+++ b/man/virtualbox_version_history.Rd
@@ -0,0 +1,15 @@
+% Generated by roxygen2: do not edit by hand
+% Please edit documentation in R/virtualbox.R
+\name{virtualbox_version_history}
+\alias{virtualbox_version_history}
+\title{Retrieve Virtualbox Version Release History}
+\usage{
+virtualbox_version_history()
+}
+\description{
+Reads \url{https://download.virtualbox.org/virtualbox/} to build a data frame of
+Virtualbox version release numbers and dates with semantic version
+strings parsed and separate fields added. The data frame is also arranged in
+order from lowest version to latest version and the \code{vers} column is an
+ordered factor.
+}