diff --git a/src/ATC/ATISEncoder.cxx b/src/ATC/ATISEncoder.cxx
index 6cc060877..2983cfac1 100644
--- a/src/ATC/ATISEncoder.cxx
+++ b/src/ATC/ATISEncoder.cxx
@@ -23,7 +23,6 @@ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 #include <Main/locale.hxx>
 #include <simgear/structure/exception.hxx>
 #include <simgear/props/props_io.hxx>
-#include <boost/lexical_cast.hpp>
 
 #include <map>
 #include <vector>
@@ -38,7 +37,7 @@ static string EMPTY("");
 
 std::string ATCSpeech::getSpokenDigit( int i )
 {
-  string key = "n" + boost::lexical_cast<std::string>( i );
+  string key = "n" + std::to_string(i);
   return globals->get_locale()->getLocalizedString(key.c_str(), "atc", "" );
 }
 
diff --git a/src/Autopilot/route_mgr.cxx b/src/Autopilot/route_mgr.cxx
index ad56c3bab..2ac7cc29c 100644
--- a/src/Autopilot/route_mgr.cxx
+++ b/src/Autopilot/route_mgr.cxx
@@ -23,20 +23,13 @@
 // $Id$
 
 
-#ifdef HAVE_CONFIG_H
-#  include <config.h>
-#endif
+#include <config.h>
 
 #include <cstdio>
 
 #include <simgear/compiler.h>
-
 #include "route_mgr.hxx"
 
-#include <boost/algorithm/string/case_conv.hpp>
-#include <boost/tuple/tuple.hpp>
-#include <boost/foreach.hpp>
-
 #include <simgear/misc/strutils.hxx>
 #include <simgear/structure/exception.hxx>
 #include <simgear/structure/commands.hxx>
@@ -945,7 +938,7 @@ flightgear::SID* createDefaultSID(FGRunway* aRunway, double enrouteCourse)
     wpts.push_back(w);
   }
   
-  BOOST_FOREACH(Waypt* w, wpts) {
+  for (Waypt* w : wpts) {
     w->setFlag(WPT_DEPARTURE);
     w->setFlag(WPT_GENERATED);
   }
@@ -1103,7 +1096,7 @@ flightgear::Approach* createDefaultApproach(FGRunway* aRunway, double aEnrouteCo
   w->setAltitude(thresholdElevFt + approachHeightFt, RESTRICT_AT);
   wpts.push_back(w);
     
-  BOOST_FOREACH(Waypt* w, wpts) {
+  for (Waypt* w : wpts) {
     w->setFlag(WPT_APPROACH);
     w->setFlag(WPT_GENERATED);
   }
diff --git a/src/Canvas/gui_mgr.cxx b/src/Canvas/gui_mgr.cxx
index ede50d9b6..7f64e0eb1 100644
--- a/src/Canvas/gui_mgr.cxx
+++ b/src/Canvas/gui_mgr.cxx
@@ -34,8 +34,6 @@
 #include <osgViewer/Viewer>
 #include <osgGA/GUIEventHandler>
 
-#include <boost/bind.hpp>
-
 class DesktopGroup;
 typedef SGSharedPtr<DesktopGroup> DesktopPtr;
 typedef SGWeakPtr<DesktopGroup> DesktopWeakPtr;
@@ -682,7 +680,7 @@ void GUIMgr::init()
   sc::Canvas::addPlacementFactory
   (
     "window",
-    boost::bind(&GUIMgr::addWindowPlacement, this, _1, _2)
+   std::bind(&GUIMgr::addWindowPlacement, this, std::placeholders::_1, std::placeholders::_2)
   );
 
   _desktop->getProps()->fireCreatedRecursive();
diff --git a/src/Cockpit/NavDisplay.cxx b/src/Cockpit/NavDisplay.cxx
index 47f51ac0c..d3a114d5e 100644
--- a/src/Cockpit/NavDisplay.cxx
+++ b/src/Cockpit/NavDisplay.cxx
@@ -19,15 +19,11 @@
 //
 //
 
-#ifdef HAVE_CONFIG_H
-#  include "config.h"
-#endif
+#include "config.h"
 
 #include "NavDisplay.hxx"
 
 #include <cassert>
-#include <boost/foreach.hpp>
-#include <boost/algorithm/string/case_conv.hpp>
 #include <algorithm>
 
 #include <osg/Array>
@@ -196,8 +192,7 @@ public:
             return false;
         }
         
-        type = node->getStringValue("type");
-        boost::to_lower(type);
+        type = simgear::strutils::lowercase(node->getStringValue("type"));
         SGPropertyNode* enableNode = node->getChild("enable");
         if (enableNode) { 
             enable.reset(sgReadCondition(fgGetNode("/"), enableNode));
@@ -227,13 +222,13 @@ public:
     
     bool matches(const string_set& states) const
     {
-        BOOST_FOREACH(const string& s, required_states) {
+        for (auto s : required_states) {
             if (states.count(s) == 0) {
                 return false;
             }
         }
         
-        BOOST_FOREACH(const string& s, excluded_states) {
+        for (auto s : excluded_states) {
             if (states.count(s) != 0) {
                 return false;
             }
@@ -479,7 +474,7 @@ NavDisplay::NavDisplay(SGPropertyNode *node) :
         _definitions.push_back(def);
     } // of symbol definition parsing
     
-    BOOST_FOREACH(SGPropertyNode* rule, symbolsNode->getChildren("rule")) {
+    for (SGPropertyNode* rule : symbolsNode->getChildren("rule")) {
         SymbolRule* r = new SymbolRule;
         if (!r->initFromNode(rule, this)) {
             delete r;
@@ -719,18 +714,18 @@ NavDisplay::update (double delta_time_sec)
   _texCoords->clear();
   _textGeode->removeDrawables(0, _textGeode->getNumDrawables());
   
-  BOOST_FOREACH(SymbolInstance* si, _symbols) {
+  for (SymbolInstance* si : _symbols) {
       delete si;
   }
   _symbols.clear();
   
-  BOOST_FOREACH(SymbolDef* d, _definitions) {
+  for (SymbolDef* d : _definitions) {
     d->instanceCount = 0;
     d->textEnabled = d->textEnable.get() ? d->textEnable->test() : true;
   }
   
   bool enableChanged = false;
-  BOOST_FOREACH(SymbolRule* r, _rules) {
+  for (SymbolRule* r : _rules) {
       enableChanged |= r->checkEnabled();
   }
   
@@ -928,7 +923,7 @@ public:
 void NavDisplay::addSymbolsToScene()
 {
     std::sort(_symbols.begin(), _symbols.end(), OrderByZ());
-    BOOST_FOREACH(SymbolInstance* sym, _symbols) {
+    for (SymbolInstance* sym : _symbols) {
         addSymbolToScene(sym);
     }
 }
@@ -1015,8 +1010,7 @@ void NavDisplay::findItems()
     
   // sort by distance from pos, so symbol limits are accurate
     FGPositioned::sortByRange(_itemsInRange, _pos);
-  
-    BOOST_FOREACH(FGPositioned* pos, _itemsInRange) {
+    for (FGPositioned* pos : _itemsInRange) {
         foundPositionedItem(pos);
     }
 }
@@ -1068,7 +1062,7 @@ void NavDisplay::processRoute()
         computeWayptPropsAndHeading(wpt, g, vars, heading);
 
         osg::Vec2 projected = projectGeod(g);
-        BOOST_FOREACH(SymbolRule* r, rules) {
+        for (SymbolRule* r : rules) {
             addSymbolInstance(projected, heading, r->getDefinition(), vars);
             
             if (r->getDefinition()->drawRouteLeg) {
@@ -1120,7 +1114,7 @@ FGNavRecord* NavDisplay::processNavRadio(const SGPropertyNode_ptr& radio)
 
 bool NavDisplay::anyRuleForType(const string& type) const
 {
-    BOOST_FOREACH(SymbolRule* r, _rules) {
+    for (SymbolRule* r : _rules) {
         if (!r->enabled) {
             continue;
         }
@@ -1135,7 +1129,7 @@ bool NavDisplay::anyRuleForType(const string& type) const
 
 void NavDisplay::findRules(const string& type, const string_set& states, SymbolRuleVector& rules)
 {
-    BOOST_FOREACH(SymbolRule* candidate, _rules) {
+    for (SymbolRule* candidate : _rules) {
         if (!candidate->enabled || (candidate->type != type)) {
             continue;
         }
@@ -1155,8 +1149,7 @@ bool NavDisplay::isPositionedShown(FGPositioned* pos)
 
 void NavDisplay::isPositionedShownInner(FGPositioned* pos, SymbolRuleVector& rules)
 {
-  string type = FGPositioned::nameForType(pos->type());
-  boost::to_lower(type);
+  string type = simgear::strutils::lowercase(FGPositioned::nameForType(pos->type()));
   if (!anyRuleForType(type)) {
     return; // not diplayed at all, we're done
   }
@@ -1189,7 +1182,7 @@ void NavDisplay::foundPositionedItem(FGPositioned* pos)
         projected = projectGeod(rwy->threshold());
     }
     
-    BOOST_FOREACH(SymbolRule* r, rules) {
+    for (SymbolRule* r : rules) {
         SymbolInstance* ins = addSymbolInstance(projected, heading, r->getDefinition(), vars);
         if ((ins)&&(pos->type() == FGPositioned::RUNWAY)) {
             FGRunway* rwy = (FGRunway*) pos;
@@ -1345,7 +1338,7 @@ void NavDisplay::processAI()
         model->setIntValue("flight-level", fl * 10);
                                             
         osg::Vec2 projected = projectGeod(aiModelPos);
-        BOOST_FOREACH(SymbolRule* r, rules) {
+        for (SymbolRule* r : rules) {
             addSymbolInstance(projected, heading, r->getDefinition(), (SGPropertyNode*) model);
         }
     } // of ai models iteration
@@ -1399,7 +1392,7 @@ bool NavDisplay::isProjectedClipped(const osg::Vec2& projected) const
 void NavDisplay::addTestSymbol(const std::string& type, const std::string& states, const SGGeod& pos, double heading, SGPropertyNode* vars)
 {
   string_set stateSet;
-  BOOST_FOREACH(std::string s, simgear::strutils::split(states, ",")) {
+  for (auto s : simgear::strutils::split(states, ",")) {
     stateSet.insert(s);
   }
   
@@ -1410,7 +1403,7 @@ void NavDisplay::addTestSymbol(const std::string& type, const std::string& state
   }
     
   osg::Vec2 projected = projectGeod(pos);
-  BOOST_FOREACH(SymbolRule* r, rules) {
+  for (SymbolRule* r : rules) {
     addSymbolInstance(projected, heading, r->getDefinition(), vars);
   }
 }
@@ -1454,7 +1447,7 @@ void NavDisplay::addRule(SymbolRule* r)
 
 void NavDisplay::computeCustomSymbolStates(const SGPropertyNode* sym, string_set& states)
 {
-  BOOST_FOREACH(SGPropertyNode* st, sym->getChildren("state")) {
+  for (SGPropertyNode* st : sym->getChildren("state")) {
     states.insert(st->getStringValue());
   }
 }
@@ -1481,7 +1474,7 @@ void NavDisplay::processCustomSymbols()
  
     
     osg::Vec2 projected = projectGeod(pos);
-    BOOST_FOREACH(SymbolRule* r, rules) {
+    for (SymbolRule* r : rules) {
       addSymbolInstance(projected, heading, r->getDefinition(), symNode);
     }
   } // of custom symbols iteration
diff --git a/src/GUI/new_gui.cxx b/src/GUI/new_gui.cxx
index 5565ad8a4..8ed36427e 100644
--- a/src/GUI/new_gui.cxx
+++ b/src/GUI/new_gui.cxx
@@ -18,9 +18,6 @@
 #include <simgear/props/props_io.hxx>
 #include <simgear/misc/sg_dir.hxx>
 
-#include <boost/algorithm/string/case_conv.hpp>
-#include <boost/foreach.hpp>
-
 #include <Add-ons/AddonManager.hxx>
 #include <Main/fg_props.hxx>
 
@@ -155,7 +152,7 @@ NewGUI::reset (bool reload)
     for (iter = _active_dialogs.begin(); iter != _active_dialogs.end(); ++iter)
         openDialogs.push_back(iter->first);
 
-    BOOST_FOREACH(string d, openDialogs)
+    for (auto d : openDialogs)
         closeDialog(d);
 
     setStyle();
@@ -174,7 +171,7 @@ NewGUI::reset (bool reload)
     bind();
 
     // open dialogs again
-    BOOST_FOREACH(string d, openDialogs)
+    for (auto d : openDialogs)
         showDialog(d);
 }
 
diff --git a/src/Main/metar_main.cxx b/src/Main/metar_main.cxx
index fbde73ccb..35720f1d9 100644
--- a/src/Main/metar_main.cxx
+++ b/src/Main/metar_main.cxx
@@ -28,8 +28,6 @@
 #include <cstdlib>
 #include <cstdio>
 
-#include <boost/algorithm/string.hpp>
-
 #include <simgear/environment/metar.hxx>
 #include <simgear/structure/exception.hxx>
 
@@ -542,8 +540,7 @@ int main(int argc, char *argv[])
                 "http://tgftp.nws.noaa.gov/data/observations/metar/stations/";
                 HTTP::MemoryRequest* mr = new HTTP::MemoryRequest
                 (
-                    NOAA_BASE_URL
-                  + boost::to_upper_copy<std::string>(argv[i]) + ".TXT"
+                    NOAA_BASE_URL + strutils::uppercase(argv[i]) + ".TXT"
                 );
                 HTTP::Request_ptr own(mr);
                 http.makeRequest(mr);
diff --git a/src/Navaids/FlightPlan.cxx b/src/Navaids/FlightPlan.cxx
index 843e9bf3a..40781c63d 100644
--- a/src/Navaids/FlightPlan.cxx
+++ b/src/Navaids/FlightPlan.cxx
@@ -27,10 +27,6 @@
 #include <fstream>
 #include <cassert>
 
-// Boost
-#include <boost/algorithm/string/case_conv.hpp>
-#include <boost/algorithm/string.hpp>
-
 // SimGear
 #include <simgear/structure/exception.hxx>
 #include <simgear/misc/sg_path.hxx>
@@ -1325,7 +1321,7 @@ WayptRef viaFromString(const SGGeod& basePosition, const std::string& target)
 
 WayptRef FlightPlan::waypointFromString(const string& tgt )
 {
-  string target(boost::to_upper_copy(tgt));  
+  string target = simgear::strutils::uppercase(tgt);
   // extract altitude
   double altFt = 0.0;
   RouteRestriction altSetting = RESTRICT_NONE;
diff --git a/src/Navaids/LevelDXML.cxx b/src/Navaids/LevelDXML.cxx
index ccaba4411..26e8c5c95 100644
--- a/src/Navaids/LevelDXML.cxx
+++ b/src/Navaids/LevelDXML.cxx
@@ -4,10 +4,9 @@
 
 #include "LevelDXML.hxx"
 
-#include <boost/algorithm/string.hpp>
-
 #include <simgear/structure/exception.hxx>
 #include <simgear/misc/sg_path.hxx>
+#include <simgear/misc/strutils.hxx>
 
 #include <Navaids/waypoint.hxx>
 #include <Airports/airport.hxx>
@@ -111,9 +110,8 @@ void NavdataVisitor::processRunways(ArrivalDeparture* aProc, const XMLAttributes
     return;
   }
   
-  vector<string> rwys;
-  boost::split(rwys, v, boost::is_any_of(" ,"));
-  for (auto rwy :  rwys) {
+  auto rwys = simgear::strutils::split_on_any_of(v, " ,");
+  for (auto rwy : rwys) {
       if (!_airport->hasRunwayWithIdent(rwy)) {
           SG_LOG(SG_NAVAID, SG_DEV_WARN, "Procedure file " << _path << " references unknown airport runway:" << rwy);
           continue;
diff --git a/src/Navaids/positioned.cxx b/src/Navaids/positioned.cxx
index da8a21e15..74e1f724f 100644
--- a/src/Navaids/positioned.cxx
+++ b/src/Navaids/positioned.cxx
@@ -18,9 +18,7 @@
 //
 // $Id$
 
-#ifdef HAVE_CONFIG_H
-#  include "config.h"
-#endif
+#include "config.h"
 
 #include "positioned.hxx"
 
@@ -30,9 +28,6 @@
 #include <queue>
 #include <memory>
 
-#include <boost/foreach.hpp>
-#include <boost/algorithm/string/case_conv.hpp>
-#include <boost/algorithm/string/predicate.hpp>
 
 #include <simgear/timing/timestamp.hxx>
 #include <simgear/debug/logstream.hxx>
@@ -216,7 +211,7 @@ FGPositioned::Type FGPositioned::typeFromName(const std::string& aName)
     {NULL, INVALID}
   };
   
-  std::string lowerName(boost::to_lower_copy(aName));
+  std::string lowerName = simgear::strutils::lowercase(aName);
   
   for (const NameTypeEntry* n = names; (n->_name != NULL); ++n) {
     if (::strcmp(n->_name, lowerName.c_str()) == 0) {
@@ -464,7 +459,7 @@ FGPositioned::TypeFilter::fromString(const std::string& aFilterSpec)
   string_list parts = simgear::strutils::split(aFilterSpec, ",");
   TypeFilter f;
   
-  BOOST_FOREACH(std::string token, parts) {
+  for (std::string token : parts) {
     f.addType(typeFromName(token));
   }
   
diff --git a/src/Navaids/route.cxx b/src/Navaids/route.cxx
index d084b1a64..a61f9a7f2 100644
--- a/src/Navaids/route.cxx
+++ b/src/Navaids/route.cxx
@@ -26,10 +26,6 @@
 #include <map>
 #include <fstream>
 
-// Boost
-#include <boost/algorithm/string/case_conv.hpp>
-#include <boost/algorithm/string.hpp>
-#include <boost/foreach.hpp>
 
 // SimGear
 #include <simgear/structure/exception.hxx>
@@ -166,7 +162,7 @@ std::string Waypt::icaoDescription() const
 
 static RouteRestriction restrictionFromString(const char* aStr)
 {
-  std::string l = boost::to_lower_copy(std::string(aStr));
+  std::string l = simgear::strutils::lowercase(aStr);
 
   if (l == "at") return RESTRICT_AT;
   if (l == "above") return RESTRICT_ABOVE;
diff --git a/src/Network/http/FlightHistoryUriHandler.cxx b/src/Network/http/FlightHistoryUriHandler.cxx
index 615b04996..329cd425b 100644
--- a/src/Network/http/FlightHistoryUriHandler.cxx
+++ b/src/Network/http/FlightHistoryUriHandler.cxx
@@ -25,7 +25,6 @@
 #include <Aircraft/FlightHistory.hxx>
 #include <Main/fg_props.hxx>
 #include <sstream>
-#include <boost/lexical_cast.hpp>
 
 using std::string;
 using std::stringstream;
@@ -287,13 +286,13 @@ bool FlightHistoryUriHandler::handleRequest(const HTTPRequest & request,
 	} else if (requestPath == "track.json") {
 		size_t count = -1;
 		try {
-		  count = boost::lexical_cast<size_t>(request.RequestVariables.get("count"));
+            count = std::stoul(request.RequestVariables.get("count"));
 		}
 		catch( ... ) {
 		}
 		size_t last = 0;
 		try {
-			last = boost::lexical_cast<size_t>(request.RequestVariables.get("last"));
+			last = std::stoul(request.RequestVariables.get("last"));
 		}
 		catch( ... ) {
 		}