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diff --git a/plugins/syncthing/strelaysrv_ b/plugins/syncthing/strelaysrv_
new file mode 100755
index 00000000..5a30f27b
--- /dev/null
+++ b/plugins/syncthing/strelaysrv_
@@ -0,0 +1,160 @@
+#!/bin/sh
+: <<=cut
+=head1 NAME
+strelaysrv_ - Plugin to monitor Syncthing relay server
+
+=head1 DESCRIPTION
+This plugin gathers metrics from a Syncthing relay server.
+
+This plugin requires the jq utility : https://stedolan.github.io/jq/
+This plugin requires the curl utility : https://curl.haxx.se/
+
+Available plugins :
+strelaysrv_goroutine #
+strelaysrv_num       # 
+strelaysrv_proxied   #
+strelaysrv_transfer  #
+strelaysrv_uptime    #
+
+=head1 CONFIGURATION
+To make the plugin connect to the Syncthing relay server one has to use this type of 
+configuration
+[strelaysrv_*]
+
+env.syncthing_relaysrv_host 127.0.0.1
+env.syncthing_relaysrv_port 22070
+
+=head1 AUTHOR
+Pierre-Alain TORET <pierre-alain.toret@protonmail.com>
+
+=head1 LICENSE
+MIT
+=cut
+
+syncthing_relaysrv_host=${syncthing_relaysrv_host:-}
+syncthing_relaysrv_port=${syncthing_relaysrv_port:-}
+
+getstatus() {
+    "$CURL" -s "http://$syncthing_relaysrv_host:$syncthing_relaysrv_port/status"
+}
+
+num() {
+    case $1 in
+        config)
+            cat <<'EOM'
+graph_title Syncthing relay numbers
+graph_category network
+graph_vlabel numbers
+strelaysrv_num_sessions.label sessions
+strelaysrv_num_connections.label connections
+strelaysrv_num_pending.label pending session keys
+strelaysrv_num_proxies.label proxies
+EOM
+            exit 0;;
+        *)
+            STATUS=$(getstatus)
+            NS=$(echo "$STATUS" | $JQ '.numActiveSessions ')
+            NC=$(echo "$STATUS" | $JQ '.numConnections ')
+            NK=$(echo "$STATUS" | $JQ '.numPendingSessionKeys ')
+            NP=$(echo "$STATUS" | $JQ '.numProxies ')
+            printf "strelaysrv_num_sessions.value %s\n" "$NS"
+            printf "strelaysrv_num_connections.value %s\n" "$NC"
+            printf "strelaysrv_num_pending.value %s\n" "$NK"
+            printf "strelaysrv_num_proxies.value %s\n" "$NP"
+    esac
+}
+
+uptime() {
+    case $1 in
+        config)
+            cat <<'EOM'
+graph_title Syncthing relay uptime
+graph_vlabel uptime in seconds
+graph_category network
+strelaysrv_uptime.label uptime
+EOM
+            exit 0;;
+        *)
+            STATUS=$(getstatus)
+            UPTIME=$(echo "$STATUS" | "$JQ" '.uptimeSeconds')
+            printf "strelaysrv_uptime.value %s\n" "$UPTIME"
+    esac
+}
+
+goroutine() {
+    case $1 in
+        config)
+            cat <<'EOM'
+graph_title Syncthing relay go routines
+graph_vlabel number of go routines
+graph_category network
+strelaysrv_goroutine.label routines 
+EOM
+            exit 0;;
+        *)
+            STATUS=$(getstatus)
+            GOROUTINE=$(echo "$STATUS" | "$JQ" '.goNumRoutine')
+            printf "strelaysrv_goroutine.value %s\n" "$GOROUTINE"
+    esac
+}
+
+proxied() {
+    case $1 in
+        config)
+            cat <<'EOM'
+graph_title Syncthing relay total proxied bits
+graph_category network
+graph_vlabel bits
+graph_args --base 1000
+strelaysrv_proxied.label bits
+strelaysrv_proxied.cdef strelaysrv_proxied,8,*
+EOM
+            exit 0;;
+	    *)
+            STATUS=$(getstatus)
+            BP=$(echo "$STATUS" | "$JQ" '.bytesProxied ')
+            printf "strelaysrv_proxied.value %s\n" "$BP"
+    esac
+}
+
+transfer() {
+    case $1 in
+        config)
+            cat <<'EOM'
+graph_title Syncthing relay transfer rate
+graph_category network
+graph_vlabel bps
+graph_args --base 1000
+strelaysrv_transfer.label bps
+strelaysrv_transfer.cdef strelaysrv_transfer,1000,*
+EOM
+            exit 0;;
+	    *)
+            STATUS=$(getstatus)
+            TRANSFER=$(echo "$STATUS" | "$JQ" '.kbps10s1m5m15m30m60m[2] ')
+            printf "strelaysrv_transfer.value %s\n" "$TRANSFER"
+    esac
+}
+
+cd "$(dirname "$0")" || exit
+
+CURL=$(which curl)
+JQ=$(which jq) 
+
+case $(basename "$0") in 
+    strelaysrv_num)
+	num "$1"
+	exit 0;;
+    strelaysrv_uptime)
+	uptime "$1"
+	exit 0;;
+    strelaysrv_goroutine)
+	goroutine "$1"
+	exit 0;;
+    strelaysrv_proxied)
+	proxied "$1"
+	exit 0;;
+    strelaysrv_transfer)
+	transfer "$1"
+	exit 0;;
+esac
diff --git a/plugins/syncthing/syncthing_ b/plugins/syncthing/syncthing_
new file mode 100755
index 00000000..7bfd0cd0
--- /dev/null
+++ b/plugins/syncthing/syncthing_
@@ -0,0 +1,171 @@
+#!/bin/sh
+# -*- sh -*-
+: <<=cut
+=head1 NAME
+syncthing_ - Plugin to monitor Syncthing server
+
+=head1 DESCRIPTION
+This plugin gathers metrics from a Syncthing server.
+
+This plugin requires the jq utility : https://stedolan.github.io/jq/
+This plugin requires the cURL utility : https://curl.haxx.se/
+
+Available plugins :
+syncthing_cpu       # 
+syncthing_mem       #
+syncthing_goroutine #
+syncthing_transfer  #
+syncthing_uptime    #
+
+=head1 CONFIGURATION
+To make the plugin connect to the Syncthing server one has to use this type of 
+configuration
+[syncthing_*]
+
+env.syncthing_apikey myapikey0123456789
+env.syncthing_host 127.0.0.1
+env.syncthing_port 8384
+env.syncthing_proto http
+
+=head1 AUTHOR
+Pierre-Alain TORET <pierre-alain.toret@protonmail.com>
+
+=head1 LICENSE
+MIT
+=cut
+
+syncthing_apikey=${syncthing_apikey:-}
+syncthing_proto=${syncthing_proto:-}
+syncthing_host=${syncthing_host:-}
+syncthing_port=${syncthing_port:-}
+
+getstatus() {
+    "$CURL" -s -X GET -H "X-API-Key: $syncthing_apikey" "$syncthing_proto://$syncthing_host:$syncthing_port/rest/system/status"
+}
+
+cpu() {
+    case $1 in
+        config)
+            cat <<'EOM'
+graph_title Syncthing server cpu usage
+graph_args -u 100
+graph_vlabel %
+graph_category network
+syncthing_cpu.label cpu
+EOM
+            exit 0;;
+        *)
+            STATUS=$(getstatus)
+			CPU=$(echo "$STATUS" | "$JQ" '.cpuPercent')
+            printf "syncthing_cpu.value %s\n" "$CPU"
+    esac
+}
+
+mem() {
+    case $1 in
+        config)
+            cat <<'EOM'
+graph_title Syncthing server memory
+graph_category network
+graph_order syncthing_mem_all syncthing_mem_sys
+graph_args --base 1000
+graph_vlabel bits
+syncthing_mem_all.label allocated
+syncthing_mem_all.cdef syncthing_mem_all,8,*
+syncthing_mem_sys.label obtained
+syncthing_mem_sys.cdef syncthing_mem_sys,8,*
+EOM
+            exit 0;;
+	    *)
+            STATUS=$(getstatus)
+            ALL=$(echo "$STATUS" | "$JQ" '.alloc')
+            SYS=$(echo "$STATUS" | "$JQ" '.sys')
+            printf "syncthing_mem_all.value %s\n" "$ALL"
+            printf "syncthing_mem_sys.value %s\n" "$SYS"
+    esac
+}
+
+uptime() {
+    case $1 in
+        config)
+            cat <<'EOM'
+graph_title Syncthing server uptime
+graph_vlabel uptime in seconds
+graph_category network
+syncthing_uptime.label uptime
+EOM
+            exit 0;;
+        *)
+            STATUS=$(getstatus)
+            UPTIME=$(echo "$STATUS" | "$JQ" '.uptime')
+            printf "syncthing_uptime.value %s\n" "$UPTIME"
+    esac
+}
+
+goroutine() {
+    case $1 in
+        config)
+            cat <<'EOM'
+graph_title Syncthing server go routines
+graph_vlabel number of go routines
+graph_category network
+syncthing_goroutine.label routines 
+EOM
+            exit 0;;
+        *)
+            STATUS=$(getstatus)
+            GOROUTINES=$(echo "$STATUS" | "$JQ" '.goroutines')
+            printf "syncthing_goroutine.value %s\n" "$GOROUTINES"
+    esac
+}
+
+transfer() {
+    case $1 in
+        config)
+            cat <<'EOM'
+graph_title Syncthing server total transfer
+graph_category network
+graph_order syncthing_transfer_down syncthing_transfer_up
+graph_args --base 1000
+graph_vlabel bits in (-) / out (+) per ${graph_period}
+syncthing_transfer_down.label received
+syncthing_transfer_down.type COUNTER
+syncthing_transfer_down.graph no
+syncthing_transfer_down.cdef syncthing_transfer_down,8,*
+syncthing_transfer_up.label bps
+syncthing_transfer_up.type COUNTER
+syncthing_transfer_up.negative syncthing_transfer_down
+syncthing_transfer_up.cdef syncthing_transfer_up,8,*
+EOM
+            exit 0;;
+	    *)
+            CONNECTIONS=$("$CURL" -s -X GET -H "X-API-Key: $syncthing_apikey" "$syncthing_proto://$syncthing_host:$syncthing_port/rest/system/connections")
+            IBT=$(echo "$CONNECTIONS" | "$JQ" '.total | .inBytesTotal')
+            OBT=$(echo "$CONNECTIONS" | "$JQ" '.total | .outBytesTotal')
+            printf "syncthing_transfer_up.value %s\n" "$IBT"
+            printf "syncthing_transfer_down.value %s\n" "$OBT"
+    esac
+}
+
+cd "$(dirname "$0")" || exit
+
+CURL=$(which curl)
+JQ=$(which jq)
+
+case $(basename "$0") in 
+    syncthing_cpu)
+	cpu "$1"
+	exit 0;;
+    syncthing_mem)
+	mem "$1"
+	exit 0;;
+    syncthing_uptime)
+	uptime "$1"
+	exit 0;;
+    syncthing_goroutine)
+	goroutine "$1"
+	exit 0;;
+    syncthing_transfer)
+	transfer "$1"
+	exit 0;;
+esac